What is connection pooling in oracle?
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What to do if the startbd.bat failed to start the xe instance?
Is it possible to join two tables, that are in two different users (e.g. SCOTT and HR etc.),but im same database (e.g. ORCL)? If yes, then how it is possible? Explain with step by step procedure.
What is Private Database Link ?
Explain the use of full option in exp command.
What privilege is needed for a user to query tables in another schema?
I have query like this. select dept_id, max_mark from stude_dept where min_mark= (select min(mini_mark) from stud_dept); How can i optimize this query. Can anyone help me with it
From the database level, how can you tell under which time zone a database is operating?
What are the predefined tablespaces in a database?
What exactly do quotation marks around the table name do?
What happens internally when the user types userID/password@string in SQL PLUS Thanks-Bhaskar
What is a View ?
Define Transaction ?