What are tables and fields in the database?
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Is pl sql better than sql?
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?
What is bitemporal narrowing?
How do you declare a variable in pl sql?
What is aggregate function in sql?
What pl/sql package consists of?
what is ref cursor in pl/sql?
What is the difference between database trigger and stored procedure?
What is normalisation in sql?
Which data type doesn't allow null data type?
Is full outer join same as cross join?
Is the primary key an index?