Why does oracle 9i treat an empty string as null?
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20. Using a set operator, display the client number of all clients who have never placed an order.
What is the usage of synonyms?
what is the scenario where you take the database to NoArchivelog mode?
Write a simple Store procedure and pass parameter to it ?
How to list all indexes in your schema?
There are three tables : E : EID,ENAME D : DID,DNAME empdept : eid, did select the employees who doesn't belong to any dep
what are the disadvantages of hierarchial database over RDBMS?
Explain the characteristics of oracle dba?
What are the roles of dba?
When do you get a .pll extension in oracle?
How do I decide when to use right joins/left joins or inner joins or how to determine which table is on which side?
What is a schema in oracle?