How to run the anonymous block again?
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What do you mean by merge in oracle?
What is a cluster Key ?
Indexes in oracle ?
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Who developed oracle & when?
How to initialize variables with default values?
Can we create database in oracle using command line ?
What are the uses of a database trigger?
What are the database administrators utilities available?
can anyone help me ? an index has been done on the primary key of a table. an update operation was performed on that table. now my question is 1> what abt the performance ? means faster or slower due to indexing ? 2> does the operation affect to the primary key constraint ?
i have a table with the columns below as Emp_ID Address_ID Address_Line City Country -------- --------- ----------- ------ --------- Q: Display the Emp_ID's those having more than one Address_ID
What are the different pseudo commands? Explain in general?
how to code performance tuning of oracle PL/SQL? can any body send me the perfect answer?