Columns and Data Types: Databases for Developers #2
Tables may be the foundation of your database. But you need something to hold them up:
Columns!
Choosing a data type for a column is one of the most important decisions you can make for
In this episode Chris gives a run down of common data types and what you use them for.
For further details on these, check the Oracle Database Data Types documentation: http://docs.oracle.com/database/122/S...
Take the Databases for Developers FREE SQL course at https://devgym.oracle.com/devgym/data...
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The Magic of SQL with Chris Saxon
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