When sql appeared?
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Explain lock escalation? : Transact sql
what is an extent ? : Sql dba
Where not exists in sql?
Explain raise_application_error.
Explain uses of cursor.
how can i read files from a pl/sq l program
how to write utl file pkg in SQL
what is try_catch block in procedure
Why cannot I use bind variables in ddl/scl statements in dynamic sql?
How are multiple column = value pairs delimited in the SET clause of an UPDATE statement? 1. With commas (SET price = 0, status = 'I') 2. With parentheses (SET (price = 0) (status = 'I')) 3. With double-pipes (SET price = 0 || status = 'I') 4. With square-brackets (SET [price = 0] [status = 'I'] 5. With single or multiple spaces (SET price = 0 status = 'I')
What is data manipulation language?
What are the different types of joins and explain them briefly.
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