Why having clause is used in sql?
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How you can copy a file to file content and file to pl/sql table in advance pl/sql?
write a query filter the null value data following source? name age john 30 smith null null 24 sharp 35 i want output name age john 30 sharp 35
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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