How do I start tns listener?
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how do u know the total no of rows in a table?
What is a parameter file in oracle?
what are bitmap indexes? How does they work?
Explain the use of tables option in exp command.
what is the difference between UNION AND UNIONALL
What are the uses of synonyms?
how to get second highest sal of emp table
I want a table like, no name address addr1 addr2 So i want columns like addr1,addr2 under address column. Can one please answer me. Advance Thanks.
does the query needs a hint to access a materialized view?
What is system tablespace?
What is bulk copy or bcp in oracle?
In my table i have 4 columns with 100 records but in that 4 columns one column contains all NULL values so can i add NOT NULL CONSTRAINT on that column......... ok if it is not possible, can i add NOT NULL CONSTRAINT from 101 Record Onwards?