Why we use pl sql?
What is pl sql architecture?
What is a null value?
How can you load multi line records? : aql loader
What are % TYPE and % ROWTYPE ? What are the advantages of using these over datatypes?
What is sql integrity?
Explain mutating table error.
What are character functions?
What is a sql instance vs database?
What is difference between Procedures and Functions ?
Explain sql data types?
How do you optimize a stored procedure query?
Explain the uses of database trigger.