Describes the examples of EXPLAIN in valid teradata database
Describes the examples of EXPLAIN in valid teradata database.
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The given is an example of it:-• EXPLAIN choose last_name,first_name FROM workers;• The EXPLAIN parses the SQL statement other than does not execute this.• It provides the designer along with an "execution stratergy".• The execution strategy gives what an optimizer does but not why this chooses them.• The EXPLAIN feature is used to analyze all complex and joins queries.
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