ABOUT IDENTITY?
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What are the various oracle database objects?
How to get last row id?
Explain the types of exception?
What is PL/SQL ?
1. How actually index will work ? 2. Why do people prefer mostly bitmap index and btree index in datawarehouse ? 3. If I use the column in aggrigate functions like max,min,count and avg and if I have a index created on that column, will it increases the performance ?
What is a view and how is it different from a table?
Suppose U install the oracle DB either enterprise edition or express edition in ur personal PC, Is there the Database has been created after ur installation if not then where the oracle's all objects with data be stored?
what are bitmap indexes? How does they work?
What is a data dictionary and how can it be created?
What is program global area (pga) in oracle?
How to create a table index?
What is a cognitive schema?