What is the SQL Communications Area and what are some of
its key fields?
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SQL CA is a collection of variables that is updated after
the execution of an SQL statement.
SQLCODE - SQL return code indicates if the execution was
successful or not and no data found conditions.
SQLSTATE - SQL return codes that can be used to test
specific error conditions.
SQLERRD(3)-Contains the no. of rows updated/inserted/deleted
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