What is join in SQLite?

What is join in data?

A data join is when two data sets are combined in a side by side manner, therefore at least one column in each data set must be the same.

What is the default join in SQLite?

SQLite inner joins The inner join is the most common type of join. It is the default join also. The inner join selects only those records from database tables that have matching values. We have three types of INNER JOINS : INNER JOIN , NATURAL INNER JOIN and CROSS INNER JOIN .

How do I join two columns in SQLite?

The SQL standard provides the CONCAT() function to concatenate two strings into a single string. SQLite, however, does not support the CONCAT() function. Instead, it uses the concatenate operator ( || ) to join two strings into one.

How do I join more than two tables in SQLite?

To query data from multiple tables, you use INNER JOIN clause. The INNER JOIN clause combines columns from correlated tables. Suppose you have two tables: A and B. A has a1, a2, and f columns.