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New page: Just a database system would be useless without some way to write data to the database files, a database would be similarly useless if there were no way to extract the stored data. Amongst...
Just a database system would be useless without some way to write data to the database files, a database would be similarly useless if there were no way to extract the stored data. Amongst the available SQL statements, one of the most frequently used is the ''SELECT'' statement. The purpose of the ''SELECT'' statement is to retrieve data from a database table based on specified criteria. In this chapter we will cover the use of the ''SELECT'' statement in detail.
== Using SELECT to Retrieve Single Columns ==
== Using SELECT to Retrieve Single Columns ==
