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How to write nested query in sql

SQL Subquery In this section, you will learn the requirements of using subqueries. <em>SQL</em> Subquery
SQL subquery is usually added in the WHERE Clause of the SQL statement. know their names, then to get their id's you need to write the query in this manner.

Subquery Fundamentals - TechNet - Microsoft Subqueries are an alternate way of returning data from multiple tables. Subquery Fundamentals - TechNet - Microsoft
A subquery can be used anywhere an expression is allowed. In this example a subquery is used as a column expression named MaxUnitPrice in a SELECT.

SQL injection - pedia Subqueries can be used with the SELECT, INSERT, UPDATE, and DELETE statements along with the operators like =, ---- ---------- ----- ----------- ---------- | ID | NAME | AGE | ADDRESS | SALARY | ---- ---------- ----- ----------- ---------- | 1 | Ramesh | 35 | Ahmedabad | 2000.00 | | 2 | Khilan | 25 | Delhi | 1500.00 | | 3 | kaushik | 23 | Kota | 2000.00 | | 4 | Chaitali | 25 | Mumbai | 6500.00 | | 5 | Hardik | 27 | Bhopal | 8500.00 | | 6 | Komal | 22 | MP | 4500.00 | | 7 | Muffy | 24 | Indore | 10000.00 | ---- ---------- ----- ----------- ---------- ---- ---------- ----- --------- ---------- | ID | NAME | AGE | ADDRESS | SALARY | ---- ---------- ----- --------- ---------- | 4 | Chaitali | 25 | Mumbai | 6500.00 | | 5 | Hardik | 27 | Bhopal | 8500.00 | | 7 | Muffy | 24 | Indore | 10000.00 | ---- ---------- ----- --------- ---------- Subqueries also can be used with INSERT statements. <u>SQL</u> injection - pedia
Or using comments to even block the rest of the query there are three. Using object-relational mapping libraries avoids the need to write SQL code.


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