what is the use of system.effective.date variable in oracle?
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How to update rows in table, suppose i have lacks of rows in table how to update total table with update statement. Can u please any one answer this question with update statement.
What is the usage of control file in oracle?
find out first highest salary?
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What is the difference between implicit index and explicit index?
Hi, I want table structure shown below. How can i create this ? Num Name Address Addr1 Addr2 I want Addr1 and Addr2 under Address column. How can i achive this ? Is it possible ?
How to delete a user account in oracle?
What is a Data File ?
What is query image?
Explain the use of rows option in exp command.
Please help me how to write a Query to change the primary key constraint from 1 attribute to another attribute in a table
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What is the purpose of a cluster?