Trigger Syntax
Feb 2, 2007
I have a basic knowledge on trigger coding but I am not sure how to code the trigger to copy data (from another table) that keyed off field A (of tableA) only if fieldB (of tableA)=999
Trigger on TableA: field A, field B (only if fieldB=999)
TableB: colA, colB,colC,colD, colE, colF
TableC: dfC, dfD
if TableA rows updated and meet the condition(fieldB=999) , copy colC, colD fo tableC WHERE colA of (tableB) = fieldA (of tableA)
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TRIGGER abc
ON TableA AFTER INSERT,UPDATE
AS
BEGIN
SET NOCOUNT ON;Insert TableC (colC, colD)Select tableA.fieldA From Inserted tableA Inner Join TableB ON tableB.colA = tableA.fieldAWhere tableA.fieldB = 999
END
GO
is this correctly coded? If not please show me your correction.
Thanks
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Jan 30, 2008
This Continues a question from previous trigger advice question
Is there no global way to grab all columns for a row
I tried using * like you would with select. But it failed.
I have been unable to find an example or command that shows
if this possible. The all show you have to type out your
fields and in my case that would take time. The below
does not work. Does anyone have a advice on this, Thanx.
INSERT INTO Archive ()
Select i.*
This section of the trigger does work.
SET IDENTITY_INSERT Archive ON
INSERT INTO Archive (grid, name, address, state, zip, arc)
SELECT i.grid, i.name, i.address, i.state, i.zip, i.arc
fromInserted i
inner join deleted d
on d.grid = i.grid
inner join [Active] a
on a.grid = i.grid
WHERE i.arc = 1
and isNull(d.arc,0) != 1
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Sep 4, 2007
Code Snippet
CREATE PROCEDURE Staff_NoteGroup_insert
(
@staffID AS int,
@owner AS int,
@subject AS varchar(256),
@message AS varchar(512),
@date_add AS DateTime
)
AS
BEGIN TRANSACTION SERIALIZABLE
DECLARE @id as int
SELECT @id = (SELECT MAX(id) FROM Staff_NoteGroup) + 1
IF @id IS NULL
SET @id = 1
INSERT INTO Staff_NoteGroup VALUES(@id, @staffID, @owner, @subject, GETDATE(), GETDATE())
IF @@error <> 0 BEGIN
ROLLBACK
RETURN
END
DISABLE TRIGGER Staff_Note_insert ON DATABASE
INSERT INTO Staff_Note VALUES(1, @id, @owner, @message, @date_add)
ENABLE TRIGGER Staff_Note_insert ON DATABASE
IF @@error <> 0 BEGIN
ROLLBACK
RETURN
END
COMMIT
GO
Below is the error message.
Msg 156, Level 15, State 1, Procedure Staff_NoteGroup_insert, Line 26
Incorrect syntax near the keyword 'TRIGGER'.
Msg 102, Level 15, State 1, Procedure Staff_NoteGroup_insert, Line 28
Incorrect syntax near 'ENABLE'.
Msg 102, Level 15, State 1, Procedure Staff_NoteGroup_insert, Line 33
Incorrect syntax near 'COMMIT'.
Where is the problem?
I'm using sql server 2005
Thanks,
Max
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Dec 18, 2007
I€™ve developed a trigger for SQL 2000 that works great in my test environment, but is a bit inconsistent in my production environment. The goal of this trigger is to find and update the row that was just entered in the OCNTACT2 table. It takes the highest integer value from CONTACT2.UPRONUM (yes, it€™s an nvarchar field), increments it by one, then updates the CONTACT2.UPRONUM field for the newly inserted row.
Does anyone see anything wrong with this trigger? Thank you for reading.
CREATE TRIGGER Update_UPRONUM_For_Webgrabber
ON CONTACT2
AFTER INSERT
AS
BEGIN
SET ROWCOUNT 1
UPDATE CONTACT2
SET CONTACT2.UPRONUM = CAST(C.tempColumn AS int) + 1
FROM CONTACT2 CROSS JOIN
(Select top 1 cast(upronum as int) as tempColumn from CONTACT2 AS CONTACT2_1 WHERE
(UPRONUM NOT LIKE '%[,]%') AND (UPRONUM NOT LIKE '%[a-z]%') AND (UPRONUM NOT LIKE '%[A-Z]%')
order by cast(upronum as int) desc) AS C
WHERE (CONTACT2.UPRONUM IS NULL OR CONTACT2.UPRONUM = '') AND (CONTACT2.UCOMPBY = 'WEB')
AND (CONTACT2.UWEBDATE > '12/13/2007')
SET ROWCOUNT 0
END
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May 9, 2014
I have a syntax error...
[code = "sql"]CREATE TRIGGER Trigger_20321 ON FACT_CUST_GRP_ICM_MO
AFTER DELETE
AS
/* DELETE trigger on FACT_CUST_GRP_ICM_MO */
/* default body for Trigger_20321 */
[Code]...
Msg 102, Level 15, State 1, Procedure Trigger_20321, Line 21
Incorrect syntax near ')'.
The error is in line: raiserror (@errno, @errmsg)
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May 30, 2014
ALTER TRIGGER [dbo].[Trigger1]
ON [dbo].[Table1] with execute as SELF
AFTER INSERT
[code]....
I am trying to create a trigger so every time a entry is made on a table, and the Colum1 is 'entry', it starts a job. But the users running the inserts do not have permission to Start jobs so I need to make it run as a super user. Where do i put the syntax in here? I Have tried Execute as login 'superuser' before the exec statement but it errors on the principal not being valid
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May 20, 2008
Why does the following call to a stored procedure get me this error:
Msg 156, Level 15, State 1, Line 1
Incorrect syntax near the keyword 'CONVERT'.
Code Snippet
EXECUTE OpenInvoiceItemSP_RAM CONVERT(DATETIME,'01-01-2008'), CONVERT(DATETIME,'04/30/2008') , 1,'81350'
The stored procedure accepts two datetime parameters, followed by an INT and a varchar(10) in that order.
I can't find anything wrong in the syntax for CONVERT or any nearby items.
Help me please. Thank you.
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Dec 14, 2003
I keep receiving the following error whenever I try and call this function to update my database.
The code was working before, all I added was an extra field to update.
Exception Details: System.Data.SqlClient.SqlException: Incorrect syntax near the keyword 'WHERE'
Public Sub MasterList_Update(sender As Object, e As DataListCommandEventArgs)
Dim strProjectName, txtProjectDescription, intProjectID, strProjectState as String
Dim intEstDuration, dtmCreationDate, strCreatedBy, strProjectLead, dtmEstCompletionDate as String
strProjectName = CType(e.Item.FindControl("txtProjectName"), TextBox).Text
txtProjectDescription = CType(e.Item.FindControl("txtProjDesc"), TextBox).Text
strProjectState = CType(e.Item.FindControl("txtStatus"), TextBox).Text
intEstDuration = CType(e.Item.FindControl("txtDuration"), TextBox).Text
dtmCreationDate = CType(e.Item.FindControl("txtCreation"),TextBox).Text
strCreatedBy = CType(e.Item.FindControl("txtCreatedBy"),TextBox).Text
strProjectLead = CType(e.Item.FindControl("txtLead"),TextBox).Text
dtmEstCompletionDate = CType(e.Item.FindControl("txtComDate"),TextBox).Text
intProjectID = CType(e.Item.FindControl("lblProjectID"), Label).Text
Dim strSQL As String
strSQL = "Update tblProject " _
& "Set strProjectName = @strProjectName, " _
& "txtProjectDescription = @txtProjectDescription, " _
& "strProjectState = @strProjectState, " _
& "intEstDuration = @intEstDuration, " _
& "dtmCreationDate = @dtmCreationDate, " _
& "strCreatedBy = @strCreatedBy, " _
& "strProjectLead = @strProjectLead, " _
& "dtmEstCompletionDate = @dtmEstCompletionDate, " _
& "WHERE intProjectID = @intProjectID"
Dim myConnection As New SqlConnection(System.Configuration.ConfigurationSettings.AppSettings("connectionstring"))
Dim cmdSQL As New SqlCommand(strSQL, myConnection)
cmdSQL.Parameters.Add(new SqlParameter("@strProjectName", SqlDbType.NVarChar, 40))
cmdSQL.Parameters("@strProjectName").Value = strProjectName
cmdSQL.Parameters.Add(new SqlParameter("@txtProjectDescription", SqlDbType.NVarChar, 30))
cmdSQL.Parameters("@txtProjectDescription").Value = txtProjectDescription
cmdSQL.Parameters.Add(new SqlParameter("@strProjectState", SqlDbType.NVarChar, 30))
cmdSQL.Parameters("@strProjectState").Value = strProjectState
cmdSQL.Parameters.Add(new SqlParameter("@intEstDuration", SqlDbType.NVarChar, 60))
cmdSQL.Parameters("@intEstDuration").Value = intEstDuration
cmdSQL.Parameters.Add(new SqlParameter("@dtmCreationDate", SqlDbType.NVarChar, 15))
cmdSQL.Parameters("@dtmCreationDate").Value = dtmCreationDate
cmdSQL.Parameters.Add(new SqlParameter("@strCreatedBy", SqlDbType.NVarChar, 10))
cmdSQL.Parameters("@strCreatedBy").Value = strCreatedBy
cmdSQL.Parameters.Add(new SqlParameter("@strProjectLead", SqlDbType.NVarChar, 15))
cmdSQL.Parameters("@strProjectLead").Value = strProjectLead
cmdSQL.Parameters.Add(new SqlParameter("@dtmEstCompletionDate", SqlDbType.NVarChar, 24))
cmdSQL.Parameters("@dtmEstCompletionDate").Value = dtmEstCompletionDate
cmdSQL.Parameters.Add(new SqlParameter("@intProjectID", SqlDbType.NChar, 5))
cmdSQL.Parameters("@intProjectID").Value = intProjectID
myConnection.Open()
cmdSQL.ExecuteNonQuery
myConnection.Close()
MasterList.EditItemIndex = -1
BindMasterList()
End Sub
Thankyou in advance.
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Mar 31, 2008
Forgive the noob question, but i'm still learning SQL everyday and was wondering which of the following is faster? I'm just gonna post parts of the SELECT statement that i've made changes to:
INNER JOIN Facilities f ON e.Facility = f.FacilityID AND f.Name = @FacilityName
OR
WHERE f.Name = @FacilityName
My question is whether or not the query runs faster if i put the condition within the JOIN line as opposed to putting in the WHERE line? Both ways seems to return the same results but the time difference between methods is staggering? Putting the condition within the JOIN line makes the query run about 3 times faster?
Again, forgive my lack of understanding, but could someone agree or disagree and give me the cliff-notes version of why or why not?
Thanks!
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Sep 23, 2007
Ok I am tying to convert access syntax to Sql syntax to put it in a stored procedure or view..
Here is the part that I need to convert:
SELECT [2007_hours].proj_name, [2007_hours].task_name, [2007_hours].Employee,
IIf(Mid([task_name],1,3)='PTO','PTO_Holiday',
IIf(Mid([task_name],1,7)='Holiday','PTO_Holiday',
IIf(Mid([proj_name],1,9) In ('9900-2831','9900-2788'),'II Internal',
IIf(Mid([proj_name],1,9)='9900-2787','Sales',
IIf(Mid([proj_name],1,9)='9910-2799','Sales',
IIf(Mid([proj_name],1,9)='9920-2791','Sales',
)
)
)
)
) AS timeType, Sum([2007_hours].Hours) AS SumOfHours
from................
how can you convert it to sql syntax
I need to have a nested If statment which I can't do in sql (in sql I have to have select and from Together for example ( I can't do this in sql):
select ID, FName, LName
if(SUBSTRING(FirstName, 1, 4)= 'Mike')
Begin
Replace(FirstNam,'Mike','MikeTest')
if(SUBSTRING(LastName, 1, 4)= 'Kong')
Begin
Replace(LastNam,'Kong,'KongTest')
if(SUBSTRING(Address, 1, 4)= '1245')
Begin
.........
End
End
end
Case Statement might be the solution but i could not do it.
Your input will be appreciated
Thank you
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Nov 14, 2006
Hey,
I'm new to this whole SQL Server 2005 thing as well as database design and I've read up on various ways I can integrate business constraints into my database. I'm not sure which way applies to me, but I could use a helping hand in the right direction.
A quick explanation of the various tables I'm dealing with:
WBS - the Work Breakdown Structure, for example: A - Widget 1, AA - Widget 1 Subsystem 1, and etc.
Impacts - the Risk or Opportunity impacts for the weights of a part/assembly. (See Assemblies have Impacts below)
Allocations - the review of the product in question, say Widget 1, in terms of various weight totals, including all parts. Example - September allocation, Initial Demo allocation, etc. Mostly used for weight history and trending
Parts - There are hundreds of Parts which will eventually lead to thousands. Each part has a WBS element. [Seems redundant, but parts are managed in-house, and WBS elements are cross-company and issued by the Government]
Parts have Allocations - For weight history and trending (see Allocations). Example, Nut 17 can have a September 1st allocation, a September 5th allocation, etc.
Assemblies - Parts are assemblies by themselves and can belong to multiple assemblies. Now, there can be multiple parts on a product, say, an unmanned ground vehicle (UGV), and so those parts can belong to a higher "assembly" [For example, there can be 3 Nut 17's (lower assembly) on Widget 1 Subsystem 2 (higher assembly) and 4 more on Widget 1 Subsystem 5, etc.]. What I'm concerned about is ensuring that the weight roll-ups are accurate for all of the assemblies.
Assemblies have Impacts - There is a risk and opportunity impact setup modeled into this design to allow for a risk or opportunity to be marked on a per-assembly level. That's all this table represents.
A part is allocated a weight and then assigned to an assembly. The Assemblies table holds this hierarchical information - the lower assembly and the higher one, both of which are Parts entries in the [Parts have Allocations] table.
Therefore, to ensure proper weight roll ups in the [Parts have Allocations] table on a per part-basis, I would like to check for any inserts, updates, deletes on both the [Parts have Allocations] table as well as the [Assemblies] table and then re-calculate the weight roll up for every assembly. Now, I'm not sure if this is a huge performance hog, but I do need to keep all the information as up-to-date and as accurate as possible. As such, I'm not sure which method is even correct, although it seems an AFTER DML trigger is in order (from what I've gathered thus far). Keep in mind, this trigger needs to go through and check every WBS or Part and then go through and check all of it's associated assemblies and then ensure the weights are correct by re-summing the weights listed.
If you need the design or create script (table layout), please let me know.
Thanks.
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Jul 20, 2005
Are there any limitations or gotchas to updating the same table whichfired a trigger from within the trigger?Some example code below. Hmmm.... This example seems to be workingfine so it must be something with my specific schema/code. We'reworking on running a SQL trace but if anybody has any input, fireaway.Thanks!create table x(Id int,Account varchar(25),Info int)GOinsert into x values ( 1, 'Smith', 15);insert into x values ( 2, 'SmithX', 25);/* Update trigger tu_x for table x */create trigger tu_xon xfor updateasbegindeclare @TriggerRowCount intset @TriggerRowCount = @@ROWCOUNTif ( @TriggerRowCount = 0 )returnif ( @TriggerRowCount > 1 )beginraiserror( 'tu_x: @@ROWCOUNT[%d] Trigger does not handle @@ROWCOUNT[color=blue]> 1 !', 17, 127, @TriggerRowCount) with seterror, nowait[/color]returnendupdate xsetAccount = left( i.Account, 24) + 'X',Info = i.Infofrom deleted, inserted iwhere x.Account = left( deleted.Account, 24) + 'X'endupdate x set Account = 'Blair', Info = 999 where Account = 'Smith'
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Dec 5, 2006
This Audit Trigger is Generic (i.e. non-"Table Specific") attach it to any tabel and it should work. Be sure and create the 'Audit' table first though.
The following code write audit entries to a Table called
'Audit'
with columns
'ActionType' //varchar
'TableName' //varchar
'PK' //varchar
'FieldName' //varchar
'OldValue' //varchar
'NewValue' //varchar
'ChangeDateTime' //datetime
'ChangeBy' //varchar
using System;
using System.Data;
using System.Data.SqlClient;
using Microsoft.SqlServer.Server;
public partial class Triggers
{
//A Generic Trigger for Insert, Update and Delete Actions on any Table
[Microsoft.SqlServer.Server.SqlTrigger(Name = "AuditTrigger", Event = "FOR INSERT, UPDATE, DELETE")]
public static void AuditTrigger()
{
SqlTriggerContext tcontext = SqlContext.TriggerContext; //Trigger Context
string TName; //Where we store the Altered Table's Name
string User; //Where we will store the Database Username
DataRow iRow; //DataRow to hold the inserted values
DataRow dRow; //DataRow to how the deleted/overwritten values
DataRow aRow; //Audit DataRow to build our Audit entry with
string PKString; //Will temporarily store the Primary Key Column Names and Values here
using (SqlConnection conn = new SqlConnection("context connection=true"))//Our Connection
{
conn.Open();//Open the Connection
//Build the AuditAdapter and Mathcing Table
SqlDataAdapter AuditAdapter = new SqlDataAdapter("SELECT * FROM Audit WHERE 1=0", conn);
DataTable AuditTable = new DataTable();
AuditAdapter.FillSchema(AuditTable, SchemaType.Source);
SqlCommandBuilder AuditCommandBuilder = new SqlCommandBuilder(AuditAdapter);//Populates the Insert command for us
//Get the inserted values
SqlDataAdapter Loader = new SqlDataAdapter("SELECT * from INSERTED", conn);
DataTable inserted = new DataTable();
Loader.Fill(inserted);
//Get the deleted and/or overwritten values
Loader.SelectCommand.CommandText = "SELECT * from DELETED";
DataTable deleted = new DataTable();
Loader.Fill(deleted);
//Retrieve the Name of the Table that currently has a lock from the executing command(i.e. the one that caused this trigger to fire)
SqlCommand cmd = new SqlCommand("SELECT object_name(resource_associated_entity_id) FROM
ys.dm_tran_locks WHERE request_session_id = @@spid and resource_type = 'OBJECT'", conn);
TName = cmd.ExecuteScalar().ToString();
//Retrieve the UserName of the current Database User
SqlCommand curUserCommand = new SqlCommand("SELECT system_user", conn);
User = curUserCommand.ExecuteScalar().ToString();
//Adapted the following command from a T-SQL audit trigger by Nigel Rivett
//http://www.nigelrivett.net/AuditTrailTrigger.html
SqlDataAdapter PKTableAdapter = new SqlDataAdapter(@"SELECT c.COLUMN_NAME
from INFORMATION_SCHEMA.TABLE_CONSTRAINTS pk ,
INFORMATION_SCHEMA.KEY_COLUMN_USAGE c
where pk.TABLE_NAME = '" + TName + @"'
and CONSTRAINT_TYPE = 'PRIMARY KEY'
and c.TABLE_NAME = pk.TABLE_NAME
and c.CONSTRAINT_NAME = pk.CONSTRAINT_NAME", conn);
DataTable PKTable = new DataTable();
PKTableAdapter.Fill(PKTable);
switch (tcontext.TriggerAction)//Switch on the Action occuring on the Table
{
case TriggerAction.Update:
iRow = inserted.Rows[0];//Get the inserted values in row form
dRow = deleted.Rows[0];//Get the overwritten values in row form
PKString = PKStringBuilder(PKTable, iRow);//the the Primary Keys and There values as a string
foreach (DataColumn column in inserted.Columns)//Walk through all possible Table Columns
{
if (!iRow[column.Ordinal].Equals(dRow[column.Ordinal]))//If value changed
{
//Build an Audit Entry
aRow = AuditTable.NewRow();
aRow["ActionType"] = "U";//U for Update
aRow["TableName"] = TName;
aRow["PK"] = PKString;
aRow["FieldName"] = column.ColumnName;
aRow["OldValue"] = dRow[column.Ordinal].ToString();
aRow["NewValue"] = iRow[column.Ordinal].ToString();
aRow["ChangeDateTime"] = DateTime.Now.ToString();
aRow["ChangedBy"] = User;
AuditTable.Rows.InsertAt(aRow, 0);//Insert the entry
}
}
break;
case TriggerAction.Insert:
iRow = inserted.Rows[0];
PKString = PKStringBuilder(PKTable, iRow);
foreach (DataColumn column in inserted.Columns)
{
//Build an Audit Entry
aRow = AuditTable.NewRow();
aRow["ActionType"] = "I";//I for Insert
aRow["TableName"] = TName;
aRow["PK"] = PKString;
aRow["FieldName"] = column.ColumnName;
aRow["OldValue"] = null;
aRow["NewValue"] = iRow[column.Ordinal].ToString();
aRow["ChangeDateTime"] = DateTime.Now.ToString();
aRow["ChangedBy"] = User;
AuditTable.Rows.InsertAt(aRow, 0);//Insert the Entry
}
break;
case TriggerAction.Delete:
dRow = deleted.Rows[0];
PKString = PKStringBuilder(PKTable, dRow);
foreach (DataColumn column in inserted.Columns)
{
//Build and Audit Entry
aRow = AuditTable.NewRow();
aRow["ActionType"] = "D";//D for Delete
aRow["TableName"] = TName;
aRow["PK"] = PKString;
aRow["FieldName"] = column.ColumnName;
aRow["OldValue"] = dRow[column.Ordinal].ToString();
aRow["NewValue"] = null;
aRow["ChangeDateTime"] = DateTime.Now.ToString();
aRow["ChangedBy"] = User;
AuditTable.Rows.InsertAt(aRow, 0);//Insert the Entry
}
break;
default:
//Do Nothing
break;
}
AuditAdapter.Update(AuditTable);//Write all Audit Entries back to AuditTable
conn.Close(); //Close the Connection
}
}
//Helper function that takes a Table of the Primary Key Column Names and the modified rows Values
//and builds a string of the form "<PKColumn1Name=Value1>,PKColumn2Name=Value2>,......"
public static string PKStringBuilder(DataTable primaryKeysTable, DataRow valuesDataRow)
{
string temp = String.Empty;
foreach (DataRow kColumn in primaryKeysTable.Rows)//for all Primary Keys of the Table that is being changed
{
temp = String.Concat(temp, String.Concat("<", kColumn[0].ToString(), "=", valuesDataRow[kColumn[0].ToString)].ToString(), ">,"));
}
return temp;
}
}
The trick was getting the Table Name and the Primary Key Columns.
I hope this code is found useful.
Comments and Suggestion will be much appreciated.
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Oct 30, 2007
Table 1
First_Name
Middle_Name
Surname
John
Ian
Lennon
Mike
Buffalo
Tyson
Tom
Finney
Jones
Table 2
ID
F
M
S
DOB
1
Athony
Harold
Wilson
24/4/67
2
Margaret
Betty
Thathcer
1/1/1808
3
John
Ian
Lennon
2/2/1979
4
Mike
Buffalo
Tyson
3/4/04
5
Tom
Finney
Jones
1/1/2000
I want to be able to create a trigger that updates table 2 when a row is inserted into table 1. However I€™m not sure how to increment the ID in table 2 or to update only the row that has been inserted.
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Feb 5, 2008
A
ID
Name
1
Joe
2
Fred
3
Ian
4
Bill
B
ID
1
4
I want to be able to create a trigger so that when a row is inserted into table A by a specific user then the ID will appear in table B. Is it possible to find out the login id of the user inserting a row?
I believe the trigger should look something like this:
create trigger test_trigger
on a
for insert
as
insert into b(ID)
select i.id
from inserted i
where
--specific USER
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May 27, 2008
This is the error it gives me for my code and then it calls out line 102. Line 102 is my buildDD(sql, ddlPernames) When I comment out this line the error goes away, but what I don't get is this is the same way I build all of my dropdown boxes and they all work but this one. Could it not like something in my sql select statement. thanksPrivate Sub DDLUIC_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles DDLUIC.SelectedIndexChanged
Dim taskforceID As Byte = ddlTaskForce.SelectedValueDim uic As String = DDLUIC.SelectedValue
sql = "select sidstrNAME_IND from CMS.dbo.tblSIDPERS where sidstrSSN_SM in (Select Case u.strSSN from tblAssignedPersonnel as u " _
& "where u.bitPresent = 1 and u.intUICID in (select intUICID from tblUIC where intTaskForceID = " & taskforceID & " and strUIC = '" & uic & "'))"ddlPerNames.Items.Add(New ListItem("", "0"))
buildDD(sql, ddlPerNames)
End Sub
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Mar 18, 2008
how to create new CLR trigger from existing T-Sql Trigger Thanks in advance
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Jul 23, 2005
When a row gets modified and it invokes a trigger, we would like to beable to update the row that was modified inside the trigger. This is(basically) how we are doing it now:CREATE TRIGGER trTBL ON TBLFOR UPDATE, INSERT, DELETEasupdate TBLset fld = 'value'from inserted, TBLwhere inserted.id= TBL.id....This work fine but it seems like it could be optimized. Clearly we arehaving to scan the entire table again to update the row. But shouldn'tthe trigger already know which row invoked it. Do we have to scan thetable again for this row or is their some syntax that allows us toupdate the row that invoked the trigger. If not, why. It seems likethis would be a fairly common task. Thanks.
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Jul 20, 2005
Salve, non riesco a disabilitare un trigger su sqlserver nè da queryanalyzer, nè da enterprise manager.In pratica tal cosa riuscivo a farla in Oracle con TOAD, mentre qui nonriesco.Mi interessa disattivarlo senza cancellarlo per poi riattivarlo al bisognosenza rilanciare lo script di creazione.Grazie a tuttiHi I need to disable a DB trigger and I'm not able to do this neither withquery analyzer, neither with enterprise manager.I remeber this job was quite simple using TOAd in Oracle.I'm interested in making it disabled not delete it, without run creationscript.Thanks a lot to everybody.
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May 30, 2008
Hi,
I am not sure if this is the right forum to post this question.
I run an update statement like "Update mytable set status='S' " on the SQL 2005 management Studio.
When I run "select * from mytable" for a few seconds all status = "S". After a few seconds all status turn to "H".
This is a behaviour when you have an update trigger for the table. But I don't see any triggers under this table.
What else would cause the database automatically change my update?
Could there be any other place I should look for an update trigger on this table?
Thanks,
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Sep 20, 2007
Hi all in .net I've created an application that allows creation of triggers, i also want to allow the deletion of triggers.
The trigger name is kept in a table, and apon deleting the record i want to use the field name to delete the trigger
I have the following Trigger
the error is at
DROP TRIGGER @DeleteTrigger
I'm guessing it dosen't like the trigger name being a variable instead of a static name
how do i get around this?
thanks in advance
-- ================================================
-- Template generated from Template Explorer using:
-- Create Trigger (New Menu).SQL
--
-- Use the Specify Values for Template Parameters
-- command (Ctrl-Shift-M) to fill in the parameter
-- values below.
--
-- See additional Create Trigger templates for more
-- examples of different Trigger statements.
--
-- This block of comments will not be included in
-- the definition of the function.
-- ================================================
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author: <Author,,Name>
-- Create date: <Create Date,,>
-- Description: <Description,,>
-- =============================================
CREATE TRIGGER RemoveTriggers
ON tblTriggers
AFTER DELETE
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
Declare @DeleteTrigger as nvarchar(max)
select @DeleteTrigger = TableName FROM DELETED
IF OBJECT_ID (@DeleteTrigger,'TR') IS NOT NULL
DROP TRIGGER @DeleteTrigger
GO
END
GO
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Jan 23, 2008
Hi,
I have a trigger set on TABLE1 so that any update to this column should set off trigger to write to the AUDIT log table, it works fine otherwise but not the very first time when table1 has null in the column. if i comment out
and i.req_fname <> d.req_fname from the where clause then it works fine the first time too. Seems like null value of the column is messing things up
Any thoughts?
Here is my t-sql
Insert into dbo.AUDIT (audit_req, audit_new_value, audit_field, audit_user)
select i.req_guid, i.req_fname, 'req_fname', IsNull(i.req_last_update_user,@default_user) as username from inserted i, deleted d
where i.req_guid = d.req_guid
and i.req_fname <> d.req_fname
Thanks,
leo
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May 22, 2008
What I am trying to create a query to check, If recDT is not value or null, then will use value from SELECT top 1 recDtim FROM Serv. Otherwise, will use the value from recDT. I have tried the below query but it doesn't work. The error says, Incorrect syntax near the keyword 'SELECT'.Incorrect syntax near the keyword 'else'.1 SELECT
2 case when recDT='' then SELECT top 1 recDtim FROM Serv else recDT end
3 FROM abc
4
Anyone can help? Thanks a lot.
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Apr 2, 2007
Hi, i am trying to write a mulitple sql statement. basically i have 5 fields to search:
User ID
FirstName
LastName
Department
Site
i would like to search the records of the database with any of the fields above, so a user can specify a last name of "smith" and a department of "finance" which would return all the smiths in the finance department. or if a user enters "john" all the johns from any department or site would appear. How would the sql statement go like for this? and could i bind a tableadapter to a datagrid to view the results?
Any help would be appreciated. Thank you.
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Aug 8, 2007
cmd.CommandText="Insert INTO personaldet(Firstname,Lastname,Username,password,dob,) values '('"+txtfname.Text.Replace("'", "''").ToString()+"','"+txtlname.Text+"','"+txtusername.Text+"','"+txtpassword.Text+"','"+txtdob.Text+"')'";
always says syntax error ')'.
check this plz
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Nov 11, 2007
Hello, I have at sp that return a value:set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
ALTER PROCEDURE [dbo].[sp_getLastActivityDate]
(
@userid nvarchar(256)
)
AS
DECLARE @ret nvarchar(256)
SET @ret = (SELECT CAST(LastActivityDate AS nvarchar)
FROM aspnet_Users
WHERE UserName = @userid)
RETURN @ret
The sp returns a nvarchar. How can i write the syntax in C# to grab the value in @ret?
// Tomas
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Feb 24, 2004
I just cannot get the syntax right for this: (The problem is in my TSart and TEnd)
Dim SQL As String = "Select DateEntered FROM tblTasks Where [DateEntered] Between " '" & TStart & "'" And "'" & TEnd & "'" And [ID] = " & _
IDSent
Thank you for any help,
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May 17, 2004
HI All,
I am writing some code where i want to get a list of all the company names that start with say, M...
here is what i have:
Dim M_company, companyID_M
Set M_company = adoCon.Execute("SELECT company FROM tbl_exib WHERE company LIKE 'm%'")
companyID_M = M_company( 0 )
but this is only returning the first company in the list that starts with M. Can anybody help with getting it to return more than one value???
thanks,
Leissa
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Jan 6, 2005
I'm a 3GL guy not familiar with SQL that much. What I try to add a record to shopping cart and assign a line number for each record. If the same item already exist, instead of adding a new line I'd like to add to existing line. I use to following code and I got two lines created even I was only adding the very first first. The following are the code I wrote, would anyone please give some hints. Thx.
ALTER PROCEDURE dbo.AddItemToCart
(
@Cart nvarchar(50),
@ItmID int,
@Qty int,
@ItmTyp char
)
As
Declare @AllItmCount Int
SELECT
@AllItmCount = Count(ItmID)
FROM
ShoppingCart
WHERE
Cart = @Cart
IF @AllItmCount = 0 /*new shoppong cart*/
INSERT INTO ShoppingCart
( Cart, Qty, ItmID, ItmTyp, Line )
VALUES
( @Cart, @Qty, @ItmID, @ItmTyp, 1)
ELSE /*some item entered */
DECLARE @CountItems int
SELECT
@CountItems = Count(ItmID)
FROM
ShoppingCart
WHERE
ItmID = @ItmID AND Cart = @Cart AND ItmTyp='R'
IF @CountItems > 0 /* same item entered before then add together */
UPDATE ShoppingCart
SET Qty = (@Qty + ShoppingCart.Qty)
WHERE ItmID = @ItmID AND Cart = @Cart AND ItmTyp='R'
ELSE /* Find the last line number */
Declare @LastLine Int
SELECT @LastLine = Max(Line)
FROM ShoppingCart
WHERE Cart = @Cart
/*Add a new line */
INSERT INTO ShoppingCart
(Cart, Qty, ItmID, ItmTyp, Line)
VALUES
(@Cart, @Qty, @ItmID, @ItmTyp, @LastLine + 1)
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Apr 23, 2005
Hi all,
I'm trying to build a simple forum. I want to display a list containing the forum names and last post date and last post author. I can view the date, but can't figure out a way to see the author. Here's the query i use:
SELECT ForumID, ForumTitle, ForumDesc, ForumTopics, ForumReplies, (SELECT MAX(AddedDate) FROM (SELECT ForumID, AddedDate, Author FROM dbo.Forums_Topic UNION ALL SELECT ForumId, AddedDate, Author FROM dbo.Forum_Reply) AS dates WHERE (ForumID = dbo.Forums.ForumID)) AS ForumLastPostDateFROM dbo.Forums
Any suggestion on how to show the author of the last message as well? Thanks in advance.
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Dec 6, 2005
i want to find some repeatable data in a column,is there a sql syntax here?Thanks in advance.
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Jan 7, 2002
Hello,
I am trying to create a view, but I am having trouble with the syntax (go figure!). It seems that as I reference more and more tables, my result set becomes smaller. For example, I want to return the state for all my customers then everything is fine, but when I want the state plus the site type (home, office, etc.) then I return fewer results. What is would be the correct syntax to use to return all the rows even if some of the columns have NULL?
SELECT TimeZone.LongZone, SiteMain.SiteNumber,
SiteType.SiteTypeDescription
FROM SiteType INNER JOIN
TimeZone ON SiteType.id = TimeZone.id INNER JOIN
SiteMain ON TimeZone.id = SiteMain.TimeZone AND
SiteType.id = SiteMain.SiteType
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Feb 5, 2002
Can someone help me with the syntax for an if else statement such as:
select (if column(a) > 1) then print '+' else print '-')
,column(b)
,column(c)
,etc.
from table...
BOL doesn't seem to be much help for this
Thanks in advance!
CP
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