What is pivot query?
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What are different types of sql?
What are crud methods?
i hv 30 rows with date.ex:1month hav 4 weeks i want 1st day of the every week.write the qry for that.example jan has 4 weeks i need 1st dd for evry wk
What is a function in oracle pl sql?
What is Difference Between delete and Truncate?
How collections are improve the performance?
What is sql indexing?
Explain the significance of the & and && operators in pl sql.
Can we use rowid as primary key?
How delete all data from table in sql?
Explain constraints in sql?
Is sql difficult?
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