What is trigger and types?
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how to delete duplicate rows from a specified table(only single table) how do you know which join is need to be used
Write an sql query to select all records from the table?
What are expressions?
Explain correlated query work?
There is a table, In one column it has implemented a index, but the index is disturbed by the regular dml statements.. but still we need to keep the index. how it is possible?
What is delete command in sql?
What are wait events. Describe the wait event tables.
What are the steps you take to tune(performance tuning) the code in plsql?
4 Answers Cap Gemini, Infosys, TCS,
what is an extent ? : Sql dba
what is HASH join?
In a table only one column how to update rows
What is the difference between delete and truncate statement in sql?
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