⟩ How To Resolve Name Conflicts between Variables and Columns?
The best way to resolve name conflicts is to avoid using column names for variables.
The best way to resolve name conflicts is to avoid using column names for variables.
Explain Execution Plan?
Tell me some reasons of poor performance of query?
Do you have any idea what are indexes?
Tell me what are the types of Indexes?
Explain some disadvantages of the Indexes?
Tell me what is Index tuning?
When using Oracle export/import what character set concerns might come up? How do you handle them?
How do you use automatic PGA memory management with Oracle 9i and above?
Explain two easy SQL optimizations.
Name three SQL operations that perform a SORT.