What is pl sql variable?
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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?
What if we write return in procedure?
Explain the significance of the & and && operators in pl sql.
What are the operators used in select statements?
Can we rollback after truncate?
Why do you partition data?
How to fetch the rows by dynamicaly passing table name through cursor?
Is sql sequential or random?
What is the diff between Truncate table / delete <table name> purge
What is query execution plan in sql?
what is column? : Sql dba
Can primary key be changed?
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