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how to include comments in sql statements? : Sql dba
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What is record in pl sql?
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What is pl/sql table? Why it is used?
Is delete faster than truncate?
Does truncate require commit?
Which join is like an inner join?
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?
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How to retrieve Duplicate Rows only in a Table? Suppose if a Table Name is "Education". It consists of multiple columns. Then if we insert rows into this table with duplicate records then how can we retrieve only duplicate records from that table?
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