What is enter substitution variable in oracle?
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What are various joins used while writing SUBQUERIES?
How can you merge two tables in oracle?
What is the Tune Query
Explain the use of indexes option in imp command.
What will be the syntax to find current date and time in format "yyyy-mm-dd"?
Can you drop an index associated with a unique or primary key constraint?
What are the general rules on data consistency?
Table E: Name dept month sal 1 A JAN 800 2 B APR 1000 3 A JAN 300 4 A JAN 600 5 C JUN 400 1) SELECT HIGHEST SAL PAID DEPT IN JAN MONTH? 2) WRITE QUERY GET MAX SAL DEPT NO?
what are actual and formal parameters?
How to create index-by table in oracle?
Describe the different type of Integrity Constraints supported by ORACLE ?
What is an UTL_FILE.What are different procedures and functions associated with it?