Db2 Alter Table Add Generated Column, The following table summarizes the APARs that introduce new function for Db2® Admin When you use the ALTER INDEX statement to add a column to an existing index, the new column becomes the rightmost column of the index key. DB2 version is v10. A table can have only one identity column, so if you want to want to record multiple sequential numbers into different columns in the same table, sequence objects can handle that. The RazorSQL alter table tool includes a Change Column Type option for changing the data types of columns on DB2 database tables. The ALTER TABLE statement alters the definition of a table. You can add and drop the generated or identity property of a column in a table using the ALTER COLUMN clause in the ALTER TABLE statement. Modify table attributes such as auditing, data capture, validation procedure, restrict on drop, index access, and append processing Modify the data organization of the table Activate or deactivate row I'm trying to add an auto increment column in an existing table of DB2. If the default is a When creating a table where it is known that certain expressions or predicates will be used all the time, you can add one or more generated columns to that table. The number of An identity column contains a unique numeric value for each row in the table. Choose carefully the new value for the START WITH attribute of the identity column in the CREATE TABLE statement if you want the first generated value for the identity column of the I wanna create a virtual column which concatenates two columns to 1.

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