What is the SQL Communications Area and what are some of
its key fields?
Answer / s
SQLCA is a collection of variables that is updated after
the execution of the SQL statment.
The values in these variables tells if the SQL completed
successfully or not and for testing specific error
conditions.
SQLCODE, SQLSTATE, SQLERRD(3)
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what is the steps followed in EXPLAIN Process or EXPLAIN command. (Explain is for identifying the optimized access path but how or what is the steps for doing the EXPLAIN)
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