A subquery is a query that is enclosed in parentheses.
A subquery can be used in a variety of ways, including using the IN or NOT IN operator. With the use of comparison operators
With the EXISTS or NOT EXISTS operators, you may find out if anything exists or not. You can use the ANY or ALL operators.
The FROM clause is used.
The SELECT clause is where you'll find it.
To begin practising SQL at home, follow these four steps. You can do it yourself if you get MySQL.
Install the software. The first step is to obtain database software.
Make your first database and table of data. We now have all of the software we require to get started.
Get a hold of some information.
Unless they're dependent subqueries, subqueries are usually good (also known as correlated subqueries). If you just use separate subqueries with appropriate indexes, they should be quick to execute.
A subquery can be used in a variety of SQL clauses, including the WHERE, FROM, and HAVING clauses. Subquery can be used with SELECT, UPDATE, INSERT, and DELETE statements, as well as operators like =, >, >=, =, IN, BETWEEN, and others. A subquery is a query that is contained within a larger query.
A subquery is a query that is nested inside another subquery or a SELECT, INSERT, UPDATE, or DELETE statement.
All good , but provide the data also for the assignment , Without data the interest is less day by day from the course. So, try to solve this problem as asap.
Everything is good but keyboard sounds more harsh and overlap your voice whereas this course is best.
Hello sir, explaination is excellent. I have a request please send the db in excel or SQL file.
In SQL Join Function's 2nd video - Teacher's voice dose not match with background content that are plays
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Ashok Kumar Sonkar
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I want to assignment answer and data. excellent teach
excellent teaching technique...one of the best course content...