what is the use of rename operationrename
What is the use of rename operation?
Rename operation is used to rename both relations and an attributes.
It uses the as clause, taking the form:
Old-name as new-name.
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what is the use of rename operationrename operation is used to rename both relations and an attributesit uses the as clause taking the formold-name
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list the string operations supported by sql1 pattern matching operation2 concatenation3 extracting character strings4 converting among uppercase and
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