You query a database table with a select statement. But unless you provide a where clause, this will return you all the rows!
That's a lot for you to sift through if your table has millions, billions or trillions of rows. In this episode Chris discusses common conditions for filtering rows so the database only returns what you need.
Oracle Database 12.2 select syntax: http://docs.oracle.com/database/122/SQLRF/SELECT.htm#SQLRF01702
Oracle Database Concepts Guide on Select: http://docs.oracle.com/database/122/CNCPT/sql.htm#GUID-702909E1-B214-4D30-A0F9-5A4335C2BA4A
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The Magic of SQL with Chris Saxon
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