Alter table add column primary key identity sql server

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  http://www.toadworld.com/platforms/ibmdb2/w/wiki/6855.alter-table-examples
The result of the fullselect must provide a set of columns that match the columns in the existing table (same number of columns, same column definitions, and same names). We need to execute the DB2 LOAD utility to load values into this table in Test; however, the GENERATED ALWAYS clause forces DB2 to generate values for this column

  http://blogs.msdn.com/b/dfurman/archive/2010/04/20/adding-the-identity-property-to-a-column-of-an-existing-table.aspx
Therefore, we can switch the data from the source table into the target table, which is a very fast metadata-only operation, and gain the IDENTITY property without having to physically move data from one table to another. However, and that's the key part here, the topic says that "The IDENTITY property is not considered." In other words, the target table can have the IDENTITY property on a column, even though the source table does not have it

  http://sqlmag.com/t-sql/adding-identity-property-existing-column
ALTER TABLE attempt failed, this explaination came through perfectly, tatero Log In or Register to post comments Preeti (not verified) on May 13, 2004 This is a very systematic solution given to a problem ususlly faced while migrating from Oracle to SQL 2000. To demonstrate this T-SQL activity, run the code that Listing 1 shows to create and populate the Orders2 and OrderDetails2 tables in the Northwind database

  http://blog.sqlauthority.com/2013/05/30/sql-server-add-identity-column-to-table-based-on-order-of-another-column/
The reason, I like to call it interesting is though, I have provided answers to him, I believe there should be another better alternative to this problem. However, what will be the alternative solution to this question if the clustered index is already created on the table and there was no option to modify the same

  http://dbadailystuff.com/2012/10/14/remove-identity-property-from-a-primary-key-column-in-sql-server/
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Adding Primary key column to existing table

  http://www.sqlservercentral.com/Forums/Topic678686-145-1.aspx
If I remember correctly, MSSql Server doesn;t like making primary keys from nullable columns.You can accomodate this in an alter table by adding a default constraint then declare it as not null.Step 2

  http://www.codeproject.com/Questions/267871/alter-an-existing-table-in-sql-server-add-AUT
See more: SQL-Server Hi everybodyy,I have a table in sql server 2008 I need to alter it to add a AutoIncrement for already existing primary key field in this table.Please I need the script to execute this query.Can anybody help?thank you Posted 12-Oct-11 22:39pm nourbt478 Add a Solution 4 solutions Top Rated Most Recent Rate this: Please Sign up or sign in to vote

Alter Table Add Column

  http://sqlserverplanet.com/ddl/alter-table-add-column
Create Table Dynamically Drop Table Constraints Add Column Constraint Rename Column Using ALTER INDEX Find Column in All Databases Post a comment Comments (RSS) Trackback Permalink Click here to cancel reply. Reply to this comment najib 25 Jun 2014 at 11:09 am ok i found this info here usefull and simple to understand thank you Reply to this comment Home Tuning Services Featured Articles How to cache stored procedure results using a hash key There are a lot of different design patterns that lend themselves to creating SQL Server Database Optimization Guide In the troubleshooting guide we went over the different physical bottlenecks that can Yet Another Temp Tables Vs Table Variables Article The debate whether to use temp tables or table variables is an old Using Union Instead of OR Sometimes slow queries can be rectified by changing the query around a bit

sql server 2008 - Alter table column for primary key and identity - Stack Overflow

  http://stackoverflow.com/questions/11897007/alter-table-column-for-primary-key-and-identity
You have to create a new column with the IDENTITY property: ALTER TABLE MyTable ADD NewID int IDENTITY(1,1) not null Unfortunately, you're not then able to assign the old ID values to this new column