What is keys and its types?
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What pl/sql package consists of?
Explain architecture of sql server notification services?
Where the sql database files are stored?
when normalization is required
What are dml commands?
Enlist the data types that can be used in pl/sql?
What does select count (*) mean in sql?
How to make a copy values from one column to another in sql?
Why do we use sqlite?
Is a view faster than a stored procedure?
overloading of stored procedure is possible in oracle?
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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