Why functions are used in sql?
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Is truncate ddl or dml?
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what is datawarehouse? : Sql dba
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Determine if oracle date is on a weekend?
one of the column in my table contains the data like SAL ---- 1000 1000 2000 3000 3000 So my requirement is i want output like SAL --- 1000 2000 3000 it mean i want to delete duplicate rows only how should u write query?
What is over () in sql?
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What type of database is cloud sql?
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