1. What is the default type of join?
2. What type of join is rarely used?
3. What is join in SQL and Types?
4. How do mysql JOINS work?
5. What are types of JOINs in MySQL?
6. What are JOINs in SQL and what types of JOINs are there?
7. Which is the best join in SQL?

What is the default type of join?

INNER JOININNER JOIN is the default if you don’t specify the type when you use the word JOIN. You can also use LEFT OUTER JOIN or RIGHT OUTER JOIN, in which case the word OUTER is optional, or you can specify CROSS JOIN.

What type of join is rarely used?

Theta join (Non-equi join): In practice, this is a rarely used SQL join types. In most cases, the join will use a non-equality condition e.g. >

What is join in SQL and Types?

Different Types of SQL JOINs (INNER) JOIN : Returns records that have matching values in both tables. LEFT (OUTER) JOIN : Returns all records from the left table, and the matched records from the right table. RIGHT (OUTER) JOIN : Returns all records from the right table, and the matched records from the left table.

How do mysql JOINS work?

JOINS are used to retrieve data from multiple tables in a single query. For JOINs to work, the tables need to be related to each other with a common key value. JOIN clauses are used in the SELECT, UPDATE, and DELETE statements.

What are types of JOINs in MySQL?

There are three types of MySQL joins:MySQL INNER JOIN (or sometimes called simple join)MySQL LEFT OUTER JOIN (or sometimes called LEFT JOIN)MySQL RIGHT OUTER JOIN (or sometimes called RIGHT JOIN)

What are JOINs in SQL and what types of JOINs are there?

There are different types of joins used in SQL:Inner Join / Simple Join.Left Outer Join / Left Join.Right Outer Join / Right Join.Full Outer Join.Cross Join.Self Join.

Which is the best join in SQL?

While both queries are well-written, I would suggest that you always use INNER JOIN instead of listing tables and joining them in the WHERE part of the query. There are a few reasons for that: Readability is much better because the table used and related JOIN condition are in the same line.