MySQL Tutorial for Beginners 36 - MySQL LEFT JOIN

In this post we will learn how to In this post we will learn How to Use MySQL LEFT JOIN By Examples. Frequently the data we query comes from several different tables. Tables are joined using common fields - usually the primary and foreign keys. Join is a relational operation on two or more tables with a common properties to be combined into a single table or view.

Join can be of following types:
INNER JOIN
LEFT JOIN (OUTER)
RIGHT JOIN (OUTER)
FULL JOIN (OUTER)

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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