Can You Qry Sys Tbls To Find Triggers, Constrants Etc?
Jul 23, 2005
I have just been handed a HUGE dB with 100's of SP, TBLs UDF etc etc.
I need to add 1000's of records from a flat file accross dozens of
related tbls ASAP! (You know the drill)
The dB was built with a lot of Business Logic, Constraints etc.
I am a Web APP developer and know a lot of TSQL and can also build
basic triggers and some pretty complex SP and have built solid dB from
scratch but I usually handle business logic and data intergrity before
it even gets to the dB (or at least I like to think I do).
With that said there is no documentation (of course)and I need to
reverse engineer this beast ASAP.
I was hoping there is a way to qry the SYS tbls or some tricks to get
all this info I am looking for.
I use the ALT+F1 short cut on tables all the time and am looking for a
solution along those lines.
Any help would be great and whom ever gives me the key(s) to unlocking
this mess I will give them a free access to a New RSS Fantasy Football
site launching this summer! If you're not into FF then you can give it
to a friend or something.
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May 21, 2008
I am using three tables.
select * from ldap_users as PL
where (emcidentitytype like '%P%')
and(ctscUserKeywords NOT LIKE '%LockedOut%')
AND(ctscUserKeywords NOT LIKE '%LockedOut%')
and emclastdayworked = ''
and (uid in(select fax from oracle_11i_user)
or uid in (select fax from ORACLE_1103_USER))
This query only display all the fields from PL.
I want to display end_date from both oracle11i and oracle1103 tables?
How would I do that?
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Jul 17, 2001
Does anyone know a quick and easy way to get a list of all constraints in every table in your database?
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Mar 21, 2001
Hello, I have created a couple of triggers in many different tables. is there a way to run a comman in sql window to see a list of all the triggers that I created, or telling me which tables that triggers are located.
Thanks
Ali
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Sep 27, 2007
Hello,
Im trying to find out what triggers in a database are disabled.
In SQL2000 I could use
Code Block
select name from sysobjects where status & 2048 > 0 and type = 'TR'
because the status field delivers information.
In SQL2005 status is always 0 so no indication if the trigger is enabled or disabled.
Do you have any idea to find out what triggers in a database are disabled?
Cheers,
Manolo
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Mar 21, 2007
I'm trying to take data and push it into a new database.
This data was taken from a database where there were many contraints, FK etc. quite a complicated structure and now sent to us with just the data in the tables with none of these constraints, FK!!
This data now needs pushing into the original database structure, so all the data will live within the constraints, but using an insert SPROC throws some FK errors, what is the best way to push this data into it's structure!
somebody suggested DTS but this doesn't take into account the constraints, also we need to run this at anytime for a number different datasets. Can anybody help ?(if you can decipher my explantion)
Many thanks for reading, please indicate if you need more info.
Shrew
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Apr 22, 2008
I did an in-place upgrade and I was wondering if I should get rid off tables in MSDB SQL 2005 carried over from SQL 2000?
Thanks.
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Oct 14, 2004
I'm using ASP and SQL Serv 2000. What I need to get from 2 tables (company & customers) is random 10 customers from random 20 comp.
Anyone got an idea how to do this??? I've spent 2 days trying to get stored proc. or T-SQL to work, but nothing good came out of it. I can get 1 comp and 10 cust, but not a grouped list of 20 comp. w/ 10 cust. each.
Help is greatly appreciated.
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May 12, 2008
This isn€™t an problem as such, it€™s more of a debate.
If a table needs a number of update triggers which do differing tasks, should these triggers be separated out or encapsulated into one all encompassing trigger. Speaking in terms of performance, it doesn€™t make much of an improvement doing either depending upon the tasks performed. I was wondering in terms of maintenance and best practice etc. My view is that if the triggers do totally differing tasks they should be a trigger each on their own.
www.handleysonline.com
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Jul 26, 2005
I tried all the INFORMATION_SCHEMA on SQL 2000 andI see that the system tables hold pretty much everything I aminterested in: Objects names (columns, functions, stored procedures, ...)stored procedure statements in syscomments table.My questions are:If you script your whole database everything you end up havingin the text sql scripts, are those also located in the system tables?That means i could simply read those system tables to get any informationI would normally look in the sql script files?Can i quickly generate a SQL statement of all the indexes on my database?I read many places that Microsoftsays not to modify anything in those tables and not query them since theirstructure might change in future SQL versions.Is it safe to use and rely the system tables?I basically want to do at least fetching of information i want from thesystem tables rather than the SQL script files.I also want to know if it's pretty safe for me to make changes in thesetables.Can i rename an object name for example an Index name, a Stored Procedurename?Can i add a new column in the syscolumns table for a user table?Thank you
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Jun 12, 2008
I have 3 database say
db1
db2
db3
I need to setup a script to read all the table names in the database above and then query the database to find the list of Stored Procedure using each table.(SQL Server)
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Jan 3, 2007
Is it possible to achieve this using triggers:When someone tries to delete a row in table A, the trigger should first delete a corresponding row in table B and then delete the row in table A. The reason being that, there is a foreign key set on Table B that references table A. So any attempt to delete a row in table A without deleting the corresponding row from B, throws an error.
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May 31, 2007
Hello All,
I have to write Trigger for Update,
I have two tables, one is for storing records of current values, and one is for storing history of values.
How to Write a Trigger on Main Table. As we have Inserted and Deleted Tables through which we can find Values, We dont have any Table for UPDATED Values.
Help me.
General Problem
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Jun 15, 2007
I need to create a set of rows every time a new row is inserted into a table.
Example (I think this would work)...
select @insertedId = column1 from insertedselect @id = column1 from table1 where column2 in (select column1 from table2 where column2 = @insertedId)insert into table3 values(x, y, @id)
Is it possible to do the same kind of thing in a situation where the select statement returns multiple values and execute the insert statement for each of these values?
Also, if table3 was in fact the table on which the trigger acts, would it then be executed for every row created by the trigger?
Sorry if I sound confused. I am.
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Dec 6, 2007
hi everybody..i tried to put thios loop in sql server 2000 But it is not taking The @ action taken value ,,it is only taking the default value of @actiontaken value.
SET @ActionTaken = 'A'
IF (@AType = 'A')IF @Status= 'O' IF (@KAppInd ='Y' AND @DAppInd=null)BEGINSET @ActionTaken = 'O'END
Please tell me other option in sql server 2000 for setting variable value based on conditions
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Dec 21, 2007
Hi using triggers i try to insert some values in to my 2 tables: But its showing teh error as "The request for procedure 'Triginsert123s' failed because 'Triginsert123s' is a trigger object." This is my code in back end: sqlcon.Open() Dim cmd As New SqlCommand("Triginsert123s '" & txtID.Text & "','" & txtName.Text & "','" & txtRole.Text & "','" & txtDep.Text & "'", sqlcon) cmd.ExecuteNonQuery() sqlcon.Close() My trigger is: CREATE TRIGGER Triginsert123s ON [dbo].[EmpRole] FOR INSERT AS declare @Eid as tinyint, @Ename as varchar(50), @Role as char(10) Insert into Emprole(Eid,Ename,Role) values(@Eid,@Ename,@Role) insert into empdep(eid,dep) values(@eid,@Role) Whats the probs?, Plz i am new to triggers help me,
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May 9, 2004
Hi All,
I'm using triggers to handle my transaction log to cature inserts and updates. It works fine except if the user clicks on the Save button more than once, the trigger is fired and the record is written to the log even if the record wasn't changed. Does anyone know how to check if the record was actually changed so that it isn't written to the table if it wasn't?
Thank you,
Mike
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Jun 17, 2004
When I execute a stored proc from my asp.net page, will the results of a trigger be returned to my program?
For instance say my stored proc is:
Update Employees set
(Lastname = @Lastname)
where ID = @ID
And my trigger is:
CREATE TRIGGER tr_Employees_U on Employees FOR UPDATE AS
IF UPDATE(lastname)
BEGIN
RAISERROR ('cannot change lastname', 16, 1)
ROLLBACK TRAN
RETURN
END
GO
It seems like since this is an AFTER trigger that my webpage would actually get a valid return code from my stored procedure however the trigger would rollback those changes correct? Or would the trigger get fired and send it's return code to my webpage?
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Mar 5, 2006
I'm trying to write an instead of trigger for a view in SqlExpress...the table and views are defined as such:CREATE TABLE [dbo].[Work]( [WorkID] [int] IDENTITY(1,1) Primary Key, [ResourceID] [int] NOT NULL, [TaskID] [int] NOT NULL, [WorkDate] [datetime] NOT NULL, [WorkQuantity] [float] NOT NULL, [IsEstimate] [bit] NOT NULL DEFAULT ((0)), [Project] [int] NOT NULL,);CREATE VIEW [dbo].[ActualWork]ASSELECT WorkID, ResourceID, TaskID, WorkDate, WorkQuantity, ProjectFROM dbo.[Work]WHERE (IsEstimate = 0);CREATE VIEW [dbo].[EstimatedWork]ASSELECT WorkID, ResourceID, TaskID, WorkDate, WorkQuantity, ProjectFROM dbo.[Work]WHERE (IsEstimate = 1);Given that, what is wrong with the following create trigger statement:Create Trigger trg_InsertActualWork ondbo.ActualWork Instead of InsertasBEGIN Insert into dbo.Work( ResourceID, TaskID, Project, WorkDate, WorkQuantity, IsEstimate ) values ( inserted.ResourceID, inserted.TaskID, inserted.Project, inserted.WorkDate, inserted.WorkQuantity, 0 );END
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Dec 4, 2001
l'm trying to build a trigger on a table. The reason for the trigger is to check a certain field for the first three characters if it has ie abc it must update another field in this case loanbook to newabc.How do l write the trigger so that it also check if exists and perform the updates. Please help its Urgent. l've listed the trigger below.
CREATE TRIGGER UpdTest_TRGData
ON Test_TRG
FOR insert,Update AS
IF left('Loan_No',3)='ABC'
update Test_TRG
set loanbook = 'NEWABC'
else
IF left('Loan_No',3)='DEF'
update Test_TRG set
loanbook = 'NEWDEF'
where loanbook is null
else
update Test_TRG
set loanbook =left('Loan_No',3)
where loanbook is null
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Dec 5, 2001
I'm a bit confused on this bit please elaborate : " FROM Test_TRG t INNER JOIN inserted i ON t.PK = i.PK ".
The PK is on which field? Basically this trigger should ensure that on insertion of o new loan if
The left(loan_no,3)=MCG and its null then NEWMCG
left(loan_no,3)=MCG and its null then NEWMCG
left(loan_no,3)=KVS and its null then NEWKVS
left(loan_no,3)=MFS and its null then MFS
left(loan_no,3)=TCR and its null then TCR
left(loan_no,3)=ABL and its null then ABL
Listed below is what l've tried to do but l'm missing the PK part.Otherwise everything else you explained
in the script is clear. Thanks man its urgent. When l parse the query its fine , but When l run it
l get an error.
CREATE TRIGGER UpdTest_TRGData
ON Test_TRG
FOR INSERT, UPDATE
AS
UPDATE Test_TRG
SET LoanBook = CASE WHEN LEFT( i.Loan_No, 3 ) = 'MCG' THEN 'NewMCG'
WHEN LEFT( i.Loan_No, 3 ) = 'KVS' AND i.LoanBook IS NULL THEN 'NewKVS'
WHEN LEFT( i.Loan_No, 3 ) = 'MFS' AND i.LoanBook IS NULL THEN 'MFS'
WHEN LEFT( i.Loan_No, 3 ) = 'ABL' AND i.LoanBook IS NULL THEN 'ABL'
WHEN i.LoanBook IS NULL THEN LEFT( i.Loan_No, 3 )
END
FROM Test_TRG t INNER JOIN inserted i ON t.PK = i.PK
-- Fill in Primary Key or other Join Column(s)
WHERE LEFT( i.Loan_No, 3 ) = 'MCG'
OR ( LEFT( i.Loan_No, 3 ) = 'KVS' AND i.LoanBook IS NULL )
OR i.LoanBook IS NULL
====== Error message =================
Server: Msg 207, Level 16, State 3, Procedure UpdTest_TRGData, Line 11
Invalid column name 'PK'.
Server: Msg 207, Level 16, State 1, Procedure UpdTest_TRGData, Line 11
Invalid column name 'PK'.
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Jan 11, 2002
I an loading records from a flat file into a table, which is done everyday by a scheduled job in SQL Server 7.0.
How can I make sure that if the job is run twice in a day for some reason that the same rows are not inserted into the table again? Do I have to write a insert trigger on the table ??? If so how can I achive the objective ??
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Jan 31, 2002
Hi! i have a simple question...is possible to create a trigger who affect multiple tables?
The idea will be something like this:
create trigger mytrigger
on sales, users
as...
of course, this don´t work :)
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Aug 3, 2001
Hey everyone...
I'm working on trying to figure out how to update the child table from the parent via a trigger. This works fine as long as the value is in the child table. If it's not, then I get my foreign key violation. So, My next thought was to simply put in a begin tran / rollback tran within the trigger... My question is this : If I have multiple triggers on the parent table all based on the update of the key field (and the child tables... some 7 of them) all have FK's, if I rollback one trigger does it rollback the entire transaction? Or just the functionality of that trigger? From what I've read, it appears as if it's the entire transaction... if so, how do I get a trigger to 'ignore' itself or not fire based on a select criteria that i have within that same trigger...
Thank you...
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Oct 24, 2001
I just tried creating my first trigger and I'm a little bit confused. I am trying to see if certain fields have changed and will do that by checking the values of the fields in the "master" table and the "Inserted" table. I wasn't sure which table would have the old data and which would have the new, so I created the following trigger to help me determine which was which:
CREATE Trigger upd_cost_master On tbl_cost_master
For Insert, Update As
Declare @U_Name varchar(65)
Declare @O_Name varchar(65)
Select @U_Name=I.submitted_by, @O_Name=O.submitted_by
From tbl_cost_master O Inner Join Inserted I On O.autokey = I.autokey
Print 'Inserted: ' + @U_Name
Print 'tbl_cost_master: ' + @O_Name
Commit Tran
To my surprise, @U_Name and @O_Name contained the same values. I though that one table contained the old values and one contained the new. Was I wrong? If so, is there anyway to compare the Old and New values through a trigger?
Chris
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Jul 20, 2000
Hi,
I'm using SQL Server 7.0. I have an insert trigger on table t05r. I populate table t05r with a DTS package. The trigger is supposed to add the record which was inserted into t05r, into t39r. After I run the DTS package to populate t05r, I checked t39r and no records where added. What is going wrong? Is it that DTS uses bulk copy and triggers don't fire on bulk copy?
Any help would be greatly appreciated.
Thanks in advance,
Darrin
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Nov 1, 1999
I have an insert trigger on table A which inserts records into table B.
This insertion into B fails( or may fail ) at certain conditions.
I do not want the insertion into A to be affected because of this. Any ways to achieve this ?
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Oct 8, 1999
Hi,
I have 3 tables A,B C and Triggers on each table like.
for insert/update on table 'C' calculates sum(xxfield) and updates
table 'B'.
for insert/update on table 'B' calculates sum(yyfield) and updates
table 'A'.
This works fine if I insert rows OneByOne.
Problem :- Doesn't work if I post entries(hundreds) in to table 'C' using a Query.
whats happening. Can anyone help Me????????
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Nov 12, 2001
How do I know if the triggers on table has been disabled or not. Thanks for your ideas!!!!
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Nov 21, 2002
Hello,
I've update triggers on my table, But for some of the transactions, I don't want the triggers to fire. I know in Sybase there are set triggers off. In MS SQL, Is there any similar commands which will set triggers off for particular sql statements.
Thanks A Lot
Sejal
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May 1, 2003
Hi! I am having trouble with setting triggers while doing my project. The project is on ATM machine driven through SQL. So I have Date of Transaction in one table and Account Expiry in another.
I want to set the trigger to check Account expiry when doing transaction so i wrote T-SQL
select........
getDate()-Dateoftransaction=expiry
begin '...'
end
the system saying I have got an error near the word 'begin'.
I am desperately needing help. running out of ideas.
Thanks in advance.
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Jan 18, 2005
I need to create an after insert, update and delete trigger on the same table. Can I create one trigger that would have all three operations in it or I need to create three separate triggers? Thanks for your help.
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