MySQL Tutorial for Beginners 13 - MySQL ORDER BY Clause

Опубликовано: 28 Март 2019
на канале: ProgrammingKnowledge
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In this post we will learn how to In this post we will learn How to Use MySQL ORDER BY Clause By Examples. ORDER BY clause is Used to sort output of SELECT statement. ORDER BY clause Can sort by one or more columns and use either an ascending or descending order. The order by clause orders the rows in a query result in ascending (asc) or descending (desc) order. We can sort in ascending (default) or descending order, Multiple columns can be given, We cannot order by a column which isn’t in the result

MySQL ORDER BY Clause Syntax:
SELECT columns FROM tables WHERE condition ORDER BY cols [ ASC | DESC ]

You can use asterisk (*) in place of columns. In that case, SELECT will return all the fields.

The AND operator joins SQL conditions. The OR operator makes a distinction between two or more SQL conditions. OR operator always weighs more heavily in Boolean algebra than an AND operator .

But first let's see What is MySQL . MySQL is a very popular, open source database. Officially pronounced “my Ess Que Ell” (not my sequel). Handles very large databases; very fast performance.
Why are we using MySQL? Free (much cheaper than Oracle!)
Each student can install MySQL locally. Easy to use Shell for creating tables, querying tables, etc.Easy to use with Java JDBC. While installing MySQL, it will prompt you to create a root password . At this stage please select a safe and secure password . Make sure you remember the password, to use it later.MySQL tutorial for beginners and professionals with examples on CRUD, insert statement, select statement, update statement, delete statement, use database, keys, joins etc.

MySQL Database is world's most popular open source database because of its consistent fast performance, high reliability and ease of use. MySQL has Open Source License i.e. it has free GNU General Public License. SQL (Structured Query Language) is the language used to insert and retrieve content. Clients make queries on the database to Retrieve, Insert, Update or Delete content.

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