Identity Column Table

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- Creates an iden.y column in a table. This property is used with the CREATE TABLE and ALTER TABLE Transact-SQL statements. Note..An iden.y column is a column in a database table that is made up of values generated by the database. This is much like an AutoNumber field in Microsoft . - I have an existing table that I am about to blow away because I did not create it with the ID column set to be the table 's Iden.y column. Using SQL Server .

If you are using liquibase to update your SQL Server, you are likely trying to insert a record key into an autoIncrement field. By removing the column from the insert, your script should run..We have a 5GB table nearly 500 million rows and we want to remove the iden.y property on one of the column, but when we try to do this through SSMS - it times out. Can this be done through T-SQL?.This way we the iden.y will be set to the column, as well as the data, will be preserved. Use Generate Scripts Option. The above approach can be automated by generating the script that will create the table along with the data..What if each table had an additional Columned 'junk; what I would like to do is duplicate the primary key in one table using 'junk' as having a different value..

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