What is sqlca in powerbuilder?
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what is ref cursor in pl/sql?
Types of joins ?
Explain what is sql?
Can we commit in trigger?
What is the advantage of nosql?
What are the string functions in sql?
How does index help in query performance?
The in operator may be used if you know the exact value you want to return for at least one of the columns.
What is the result, when NULL is compared with NULL?
What will happen after commit statement ?
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