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Write the order of precedence for validation of a column in a table? I. Done using database triggers. Ii. Done using integarity constraints
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Table name: T1, it has only one column. col1 ------ c b a b b b b d s a a t s Requirement: I need the following output from the above base table by using SQL query. col1 Cnt ----- ------- a 3 b 5 Others 5 Please help. Thanks Guru v.gurus@in.com
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