What is a sql schema used for?


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What is an invalid partition table?

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What is mutating error?

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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 in the table permanently and i want output in the above formatow should u write query?

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who introduced sql?

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what is sql.

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How do I save a stored procedure?

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what is the difference between where clause and having clause? : Sql dba

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What is sql engine in oracle?

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discuss about myisam key cache. : Sql dba

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How to delete same emp id in sql query for exmaple in emp table emp id, empname, emp address. for example emp id =5, repeated in two times in rows same id how to delete same empid please any one of the write query send in my id

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What is a unique key?

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