Updating joined tables

24-Dec-2019 19:52

The following example illustrates the use of the DEFAULT keyword: The DEFAULT keyword in the values list will insert the value that was specified as the default for a particular column during table creation. My SQL, Postgre SQL, and SQL Server users have another option available if all columns in the table are defined with a default value (as table D is in this case).You may use an empty VALUES list (My SQL) or specify the DEFAULT VALUES clause (Postgre SQL and SQL Server) to create a new row with all default values; otherwise, you need to specify DEFAULT for each column in the table.

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All three tables have the same structure (same columns and data types) as DEPT and are currently empty.The past few chapters have focused on basic query techniques, all centered around the task of getting data out of a database.

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