What is sql data?
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Does inner join return duplicate rows?
How to get the procedure's, function's name from a package if it is wrapped(both spec & body).
What are the different types of constraints?
Can we use join in subquery?
Explain the rollback statement?
Why indexing is needed?
What is the difference between CHAR and VARCHAR2? If VARCHAR2 serves the uses of CHAR why CHAR is still used and not been discarded yet?
why we go for package? what are the advantages of using instead of seperate procuderes or functions
Can we use delete in merge statement?
What does (*) mean in sql?
what are date and time data types in mysql? : Sql dba
How many times can we commit in a loop?