Database

SQLite Aggregate Functions perform calculations on sets of values, i.e., group of table rows, and return a single result.

The SQLite UPPER() function converts a string into uppercase letters. We can use this function to convert column text values to uppercase.

The SQLite LOWER() Function converts a string into lowercase letters. We can use this function to convert column text values to lowercase.

Let’s learn about the SQLite IN clause. The SQLite IN clause specifies a range of values for a WHERE condition.

The SQLite PRAGMA statement is used to query or modify various aspects of the SQLite database. PRAGMA statements are special commands that provide access to internal

The SQLite CREATE INDEX statement is used to create an index on one or more columns of a database table. Indexes can significantly improve the performance of SELECT