Here, the SQL command selects all the records and then sorts them byfirst_name. If thefirst_namerepeats more than once, it sorts those records byage. Example: SQL ORDER BY with multiple columns ORDER BY With WHERE We can also useORDER BYwith theSELECT WHEREclause. For example, -- selec...
Example: SQL GROUP BY SQL GROUP BY Clause With JOIN We can also use theGROUP BYclause with theJOINclause. For example, -- join the Customers and Orders tables-- select customer_id and first_name from Customers table-- also select the count of order ids from Orders table-- group the re...
WITH Clause Example We can use the employee database to demonstrate some examples. The SQL to create the sample data is available at the top of this article. Example 1 – Simple WITH Clause This example shows a basic WITH clause (also known as subquery factoring or Common Table Expression)....
An SQL can have multiple condition statements, and ‘Like’ is one such condition that can be used along with the ‘Where’ condition clause. ‘Like’ clause can be worked with two operators, namely ‘%’ and ‘_’. In some applications instead of ‘_’, ‘?’ is allowed, and instead...
Discover how SQL WITH (CTE) simplifies complex queries. Learn syntax and examples for creating reusable subqueries using the WITH clause.
In this part of the SQL Server query execution plans series, we describe the examples with the WHERE clause, showing how indexes affect query execution plans and costs
This SQL tutorial explains how to use the SQL HAVING clause with syntax and examples. The SQL HAVING clause is used in combination with the GROUP BY clause to restrict the groups of returned rows to only those whose the condition is TRUE.
Use another JOIN (INNER/LEFT/RIGHT) with 2 ON conditions Use the GROUP BY clause to pre-aggregate data SQL execution plan of the CROSS JOIN query Let's compare two queries: the one with CROSS JOIN and its alternative. Query 1: With CROSS JOIN ...
AND & OR Clause Together Example : This will select the result where city is (“delhi” or name is “riya” )[produces two rows] with the condition followed by name “linga”[Selects one from the two rows where name is “linga”] ...
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