What does it mean to make user classes in SQL?

Expert Solution

We can create classes in sql.Those are called as user classes in SQL.

These can be entire SQL programs or some other fragments to re-use the classes.

In SQL, user class allow iterate over all rows that are fetched.
In SQL query ,we give a bulk mode of operations,so the query will execute ,more no of times.
So,By using user classes we can reduce the time and space .

Considerations of Extra Spaces:-

when extra spaces are need in sql query,then user defined classes are used here.
Then we can reduce some space in the sql database.or query.

Considerations of Case sensitivity:-

when we are processing a sql query or statement ,the system automatically converts all field names to Uppercase letters.
we can prevent lower to upper by using the user class.
use %Nouppercase meta-SQL statement at the beginning of the sql query.

venereology answered 2 years ago

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