Transact SQL :: Transaction On Alter Database Statement
Apr 20, 2015
Im working on Partition purge process, where I need to specify following statement:
SET @cmd = 'ALTER PARTITION FUNCTION ' + @function_name + '() MERGE RANGE (@range)'
EXEC (@cmd);
SET @cmd1 = 'ALTER DATABASE '+ db_name()+ ' REMOVE FILE ' + @partition_file
EXEC (cmd1);
I want to put this statement in Begin Tran /Commit statement but getting error that it is not allowed. "ALTER DATABASE statement not allowed within multi-statement transaction"..what are my options to rollback in case there is a failure.
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May 7, 2015
I have written the following code:
SET NOCOUNT ON
DECLARE @RowCount int; SET @RowCount = 0;
Begin Try
Begin Transaction
--------------------------------------------------------
-----Table Name: AlertsStaticRecord_Archive
-----Column Name: AlertID
--------------------------------------------------------
ALTER TABLE [AlertsStaticRecord_Archive] ALTER COLUMN [AlertID] int NOT NULL;
[Code] .....
But, when I execute these batch, I am getting error:
Msg 8111, Level 16, State 1, Line 11
Cannot define PRIMARY KEY constraint on nullable column in table 'AlertsStaticRecord_Archive'.
Msg 1750, Level 16, State 0, Line 11
Could not create constraint. See previous errors.
Because, the first ALTER statement is not getting executed.
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Feb 26, 2008
Recently I created a DDL Server-scope trigger using the following:
create trigger stop_alter_database on all server
for ALTER_DATABASE
as
rollback;
print 'database change stopped by stop_alter_database';
go
Then I ran the following script:
alter database [test] modify file (name=test', maxsize=2028mb);
The result was:
Msg 3609, Level 16, State 2, Line 1
The transaction ended in the trigger. The batch has been aborted.
database change stopped by stop_alter_database
The problem is that when I checked the max size of the data file it had changed. So, the statement was never rolled back. Is there something I'm missing because I can't find any documentation or articles that state the inability to rollback alter database statements. Whats going on?
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Nov 9, 2015
Primary platofrm: Sql12k, 7.0 Ultimate Pro OS
I'm launching the aforementioned statement from one MASTER session windows and I get this message, I am stuck, I though ROLLBACK INMEDIATE go throught any already session open.
Msg 5064, Level 16, State 1, Line 1
Changes to the state or options of database 'GFSYSTEM' cannot be made at this time. The database is in single-user mode, and a user is currently connected to it.
Msg 5069, Level 16, State 1, Line 1
ALTER DATABASE statement failed.
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Jul 17, 2015
I'm trying to create a report which would give the latest transaction on a database, which all sit on different servers. I wanted to know if there is an a simple way tracking the latest transactions instead of getting the information from the database tables.
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Dec 1, 2004
Hi there,
I recently saw that the transaction log files of user dbs grow undefinitely in SQL Server 2000 - one of our customers had a 11 GB log file which totally slowed down the server.
Another customer of ours uses one of my applications logging all actions in a MSDE database file and I fear that the corresponding transaction log file will grow and block the system too - is there any way that I could shrink and set the max size of the transaction log file through SQL?
I already know the command "SHRINK FILE ('filename')" but I haven't found a SQL command to set the max size.
Thank you for any hints!
Sascha
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Sep 19, 2015
There is a table exists in a database name tbDatabaseProviders.
I want to alter this table to add a column DatabaseProvider Also I want to add a default constraint so if nothing than 1 should be added.
Remember, the table already exists so when I write the script query then I want to first check the constraint if it exists then I dont want to add the constrait otherwise I will add it.
I was having problem to first add a constraint with the constraint name so I could find the constraint before finding it if it already exists.
What should I do the above.
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May 15, 2000
Do anyone knows the syntax for changing the name of a column in a table with the
alter statement or any other statements????
Thanks in advance,
Vic
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Jan 5, 2001
Hi
Is it possible to remove Identity property of a column using ALTER statement in SQL Server 7.0.
Thanks in advance
Rahul
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Jul 3, 2000
looking for necessary syntax to alter table id to autoincrement adding identity statement, not sure on syntax for seed an increment, or if it is possible at all.
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Oct 13, 2000
Hi List,
I am trying to add a column with Alter Table, like this:
ALTER TABLE myTable ADD
newColumn bit DEFAULT 0 NOT NULL
This works fine with SQL-server 7, but I get this error in 6.5:
'ALTER TABLE only allows columns to be added which can contain nulls. Column 'newColumn' cannot be added to table 'myTable' because it does not allow nulls.'
I also found this in the help files:
'Columns added to a table must be defined as NULL. When a column is added, the initial value for the column will be set to NULL. This restriction forces the ALTER TABLE statement to fail if the bit or timestamp datatypes are used.'
My question, is there any other way to do this on 6.5 ?
Stefan Nilsson
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Jul 19, 2006
Here is the alter statement that I am trying to use to create a relationship between 2 tables. This does not seem to work on mobile. What am I doing wrong?
ALTER TABLE [SubCategory] CONSTRAINT [FK_SubCategory_Category] FOREIGN KEY([CategoryID])
REFERENCES [Category] ([CategoryID])
ON UPDATE CASCADE
ON DELETE CASCADE
This is the error:
There was an error parsing the query. [ Token line number = 1,Token line offset = 27,Token in error = CONSTRAINT ]
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May 8, 2015
I have a table with ~30M records. I'm trying to add a column to the existing table with default value and have noticed following ... When using alter with default value- (Executes more than 45 min and killed forcefully)
ex:
ALTER TABLE dbo.Table_X Add is_Active BIT CONSTRAINT DF_Table_X_is_Active DEFAULT 'FALSE' NOT NULL
GO
When using update command after adding column with alter (without default value) it completes is 5 min.
ex:
ALTER TABLE dbo.Table_X Add is_Active BIT NULL
GO
UPDATE Table_X SET is_Active = 0 WHERE is_Active IS NULL
GO
Why there is so much of difference in execution times ? I was just trying to understand internal behavior of the SQL in these two scenarios.
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Oct 27, 2015
I want to alter my all tables to change the name of all columns.
I need this because all column names were created with space and I want to remove the space for future work .
For example – In Table Customer there is a column name [Cust_Id ] and I want to change it with [Cust_Id]
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May 28, 2002
Hello.
I'm trying to create a batch sql script which first alters some existing tables via the ALTER TABLE command, I then want to alter some existing stored procedures via the ALTER PROCEDURE command within the same batch. I have found that I can encompas the alter table scripts within a conditional IF EXISTS (Begin/End) but not the alter procesdure scripts. I have looked in reference material and have found nothing to suggest this type of operation is not possible. Is this possible? Is this a know bug fixed by a service pack?
Thanks in advance for any replies.
David.
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Feb 6, 2008
Hi
I want to delete the Default value for a specific column which is set to Null
I've used
ALTER TABLE SYSTEMS_PATIENT_LOG ALTER COLUMN SYSTEMS_LOGID DROP DEFAULT
It is giving error
Msg 156, Level 15, State 1, Line 1
Incorrect syntax near the keyword 'DEFAULT'.
plz could any one tell me where I could be wrong
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May 27, 2015
I have existing table which is having Set Quoted Identifier Off and Set Ansi Null
Now I want to change those setting so Is there any alter statement for the same?
Also Let's say At my database level If those settings are off and If I convert it to ON then It is not taking effect on existing tables SP which are already build.
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Jan 31, 2007
My client's website database is hosted by a third party. I need to alter one of the column definitions for the largest table in the database. Unfortunately, the transaction log fills up if I try to alter the table. I've done all the usual stuff like truncating the log, etc., but the simple fact is that the operation requires more log space than we have available. Therefore, we need to purchase additional disk space for the database.
What I'm looking for is a way to roughly estimate how much log space will be required to alter this table so that we purchase enough but not too much additional space. The table has an identity primary key and 4 other single column indexes: one int, one datetime and two varchar(30) columns.
Any suggestions? Thanks in advance.
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May 14, 2002
I have coded an alter statement for adding a column to a temp table inside an sp,but it skips the alter statement while executing the sp! This happens even if I run the same code on query analyzer too. If I use 'GO' statement before the alter command,then it works fine on Query Analyzer.But, I can't use 'GO' in an sp. I am using the sa account. Any ideas on how to fix this??
Thanks.
Di.
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Mar 27, 2001
Folks!
What is wrong with my syntax with the following command?:
alter table EmployeeInfo alter column OriginDate smalldatetime not null default getdate()
I'm getting:
Incorrect syntax near the keyword 'default'
Currently, in my table OriginDate is nullable with no default.
Thanks in advance for your help!
APF
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May 5, 2008
It is possible to alter multiple columns within a single alter table statement?
I have got the following URL that tells it is not possible to alter multiple columns within in signle alert table statement.
http://www.blogcoward.com/archive/2005/05/09/234.aspx[^]
Does anyone know about that?
Thanks,
Mushq
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Jul 18, 2006
Here is the alter statement that I am trying to use to create a relationship between 2 tables. This does not seem to work on mobile. What am I doing wrong?
ALTER TABLE [SubCategory] CONSTRAINT [FK_SubCategory_Category] FOREIGN KEY([CategoryID])
REFERENCES [Category] ([CategoryID])
ON UPDATE CASCADE
ON DELETE CASCADE
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Feb 14, 2000
Hello all,
I am trying to add columns to several tables in a singular database. I want to check to see if the column exists in a given table first before executing the alter table command so that I can skip that command if the column already exists, and avoid aborting my script prematurely. I can't seem to find a way to check for the column's existance. Any suggestions?
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Oct 8, 2015
I've some huge table (over 100GB each), these table contain column of NTEXT, IMAGE. Application team needs to change these data types to VARBINARY(MAX), I've tested the modification in our lab and I noticed that the operation has been almost immediate so, I think that DB Engnine has not converted the existing data in the column but it has simply changed the definition of the column.
Or maybe NTEXT and IMAGE can be transparently converted into VARBINARY(MAX)?
Anyway, I want to be sure that the modified table is "coherent" I don't want that at a given point SQL Server tells me that some data is not readable.
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May 5, 2015
I am attempting to run update statements within a SELECT CASE statement.
Select case x.field
WHEN 'XXX' THEN
UPDATE TABLE1
SET TABLE1.FIELD2 = 1
ELSE
UPDATE TABLE2
SET TABLE2.FIELD1 = 2
END
FROM OuterTable x
I get incorrect syntax near the keyword 'update'.
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Aug 6, 2006
With the function below, I receive this error:Error:Transaction count after EXECUTE indicates that a COMMIT or ROLLBACK TRANSACTION statement is missing. Previous count = 1, current count = 0.Function:Public Shared Function DeleteMesssages(ByVal UserID As String, ByVal MessageIDs As List(Of String)) As Boolean Dim bSuccess As Boolean Dim MyConnection As SqlConnection = GetConnection() Dim cmd As New SqlCommand("", MyConnection) Dim i As Integer Dim fBeginTransCalled As Boolean = False
'messagetype 1 =internal messages Try ' ' Start transaction ' MyConnection.Open() cmd.CommandText = "BEGIN TRANSACTION" cmd.ExecuteNonQuery() fBeginTransCalled = True Dim obj As Object For i = 0 To MessageIDs.Count - 1 bSuccess = False 'delete userid-message reference cmd.CommandText = "DELETE FROM tblUsersAndMessages WHERE MessageID=@MessageID AND UserID=@UserID" cmd.Parameters.Add(New SqlParameter("@UserID", UserID)) cmd.Parameters.Add(New SqlParameter("@MessageID", MessageIDs(i).ToString)) cmd.ExecuteNonQuery() 'then delete the message itself if no other user has a reference cmd.CommandText = "SELECT COUNT(*) FROM tblUsersAndMessages WHERE MessageID=@MessageID1" cmd.Parameters.Add(New SqlParameter("@MessageID1", MessageIDs(i).ToString)) obj = cmd.ExecuteScalar If ((Not (obj) Is Nothing) _ AndAlso ((TypeOf (obj) Is Integer) _ AndAlso (CType(obj, Integer) > 0))) Then 'more references exist so do not delete message Else 'this is the only reference to the message so delete it permanently cmd.CommandText = "DELETE FROM tblMessages WHERE MessageID=@MessageID2" cmd.Parameters.Add(New SqlParameter("@MessageID2", MessageIDs(i).ToString)) cmd.ExecuteNonQuery() End If Next i
' ' End transaction ' cmd.CommandText = "COMMIT TRANSACTION" cmd.ExecuteNonQuery() bSuccess = True fBeginTransCalled = False Catch ex As Exception 'LOG ERROR GlobalFunctions.ReportError("MessageDAL:DeleteMessages", ex.Message) Finally If fBeginTransCalled Then Try cmd = New SqlCommand("ROLLBACK TRANSACTION", MyConnection) cmd.ExecuteNonQuery() Catch e As System.Exception End Try End If MyConnection.Close() End Try Return bSuccess End Function
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Sep 5, 2006
I want a database user to be able to alter login, database user and database role from my application. so, i assigned that user to sccurityadmin server role, db_accessadmin and db_securityadmin database roles....By now, the user can add or remove login and database user. However, the user cannot add or remove any database role membership. What am I missing here?? What should I do so that the user can create, and alter database roles in the database??
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Jul 20, 2015
I have a script that automates some db drop/restore operations and bringing the database to single user mode is part of it: ALTER DATABASE ... SET SINGLE_USER WITH ROLLBACK IMMEDIATE...I want this to executes under a login, that has restricted privileges, so I've created a login and granted it a dbcreator role + ALTER ANY DATABASE privileges.
Problem: When I run the script against a database with an active/sleeping connection:It fails when using the restricted login: "Msg 5061...ALTER DATA BASE failed because a lock could not be placed on database ..."It completes successfully when using a sysadmin login According to stackoverflow.com the solution is to kill the active/sleeping connections to the database, before ALTER-ing it, which works fine, but the question is....
Questions: Why the "ALTER DATABASE..." statement works under the sysadmin login, but not under a dbcreator one?Does this mean the sysadmin login kills the connections to the target database in the background?Is it possible to grant additional privileges to the restricted login, so the "ALTER DATABASE..." statement won't need preventive killing of the connections?
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Nov 5, 2015
I have a table that i'm trying to pull the first transaction and last transaction per prodid. The first transaction, the ctrid should be 'TOPPEntry'.
sample raw data result
prodid--------lineid------itemid---------ctrid----------createddate--
=================================================================
TOP02296228--Line15-----TTC3071-IR------TOPPEntry------2015-01-03 07:45:31.000--input
TOP02296228--Line15-----TTC3071-IR------TOPCBFG--------2015-01-07 16:18:26.000--fg--done processing
TOP02296229--Line15-----TTC3071-IR------TOPPEntry------2015-01-04 07:45:31.000--input
TOP02296229--Line15-----TTC3071-IR------TOPLens--------2015-01-05 12:12:31.000--wip--wip means still in process
TOP02296230--Line15-----TTC3071-IR------TOPPEntry------2015-01-05 08:45:31.000--input
TOP02296230--Line15-----TTC3071-IR------TOPCBSCP-------2015-01-06 14:18:42.000--scrap--done processing
[code]...
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Jun 4, 2015
Is it possible to take any type of backup during transaction or we can say in b/w the transaction?
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Nov 20, 2013
I have created a table as below mentioned. Then I want to alter the ID column as identity(1,1) without dropping the table as well as losing the data.
create table dbo.IdentityTest
(
id int not null,
descript varchar(255) null,
T_date datetime not null
)
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Oct 25, 2015
we have a table in our ERP database and we copy data from this table into another "stage" table on a nightly basis. is there a way to dynamically alter the schema of the stage table when the source table's structure is changed? in other words, if a new column is added to the source table, i would like to add the column to the stage table during the nightly refresh.
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