A query is a set of instructions or questions that are used to get information from a database. A query can be used to find specific information, or to get an overview of the data that is stored in a database.

There are many different types of queries that can be used, depending on the type of database that is being used. Some of the most common types of queries include:

-SELECT queries: These are used to select specific records from a database.

-WHERE clauses: These are used to filter results by specifying certain criteria.

-GROUP BY clauses: These are …