Does truncate free space?
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Does mysql_real_escape_string prevent sql injection?
what is difference between pass by value and eference by value in oracle plsql
What are different types of functions in sql?
What is the difference between left join and right join?
What is Overloading of procedures ?
Can procedure in a package be overloaded?
What is the difference among union, minus and intersect?
What is a ddl command?
Explain UNION,MINUS,UNION ALL, INTERSECT?
What are all the difference between Like and Contains ?
select * from emp where sal in(select max(sal) from emp) here there is any limit for in operator how many values accpect ?
What is a call statement? Explain with an example.
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