relational algebra, PL-SQL Programming

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Define basic operators of relational algebra with an example each

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Assignment Source Not a Literal - Variable Syntax: SET SN = SID (SUBSTRING (SN.C FROM 1 FOR 1)||'5');

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Deleting objects in pl sql, Deleting Objects You can use the DELETE st...

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Sql, Write a cursor to open an employee database and fetch the employee rec...

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