What is a data lock in oracle?
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is there a tool to trace queries, like profiler for sql server?
defination of bitmap index
What is clustered table in Oracle?
t1 col1 col2 nishi 5000 lucky 6700 akash 7000 i want that a query that when i insert 7000 it will show me data already present and data will not insert. if data is not present it will insert.
What is a cursor variable?
What is an Oracle Instance?
Explain self joins in oracle?
what is kernel?
In Oracle Clinical 4.5.0, can the VIEW_TEMPLATE_ID column in DATA_EXTRACT_VIEWS table contain NULL value?
What is RULE-based approach to optimization ?
Please help me how to write a Query to change the primary key constraint from 1 attribute to another attribute in a table
What is the meaning of recursive hints in oracle?