What is trigger explain it?
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wt is the diff b/w greast and max ,least and min? wt is the diff b/w case and decod?
4 Answers Oracle, TCS, Tecnics,
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Hi all, i have a table as follows empid empname mgrid deptid 1 a 3 4 2 b 1 5 3 c 2 3 4 d 3 6 5 e 4 7 i want the output as empname mgrname a c b a c b d c e d
What is normalization in sql?
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