What is materialized view in sql?
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How do you drop a trigger?
What are the packages in pl sql?
using cursors salesman get bonus as 10% of their salary , managers get 20% , analalist get 30%. generae a report showing the employee name, salary , bonus.
Why query optimization is needed?
How do you write an inner join query?
i have table T!. A B C D NULL 1 2 3 4 NULL 5 6 7 8 NULL 9 10 11 12 NULL. I WANT COUNT OF NULL VALUES IN TABLE. WRITE A QUERY.
Is sql difficult?
What are the topics in pl sql?
How many times can we commit in a loop?
What is over () in sql?
what are all the different normalizations? : Sql dba
Is it possible to create the following trigger: before or after update trigger for each row?
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