Does truncate release storage space?
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What is difference between function and trigger?
What is the use of primary key?
What is schema in sql example?
how to achieve this problem?i am having table with two colums like empno,gender. in gender column, i am having records male,female like that .my final output will be male female 5 6
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Why is a primary key important?
Do triggers have restrictions on the usage of large datatypes, such as long and long raw?
Differentiate between sga and pga.
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