What are SQLite functions?

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SQLite aggregate functions Return the maximum value of all values in a group. MIN. Return the minimum value of all values in a group. SUM. Return the sum of all non-null values in a column.

Can you write functions in SQLite?

Executive Summary. Applications that use SQLite can define custom SQL functions that call back into application code to compute their results. The custom SQL function implementations can be embedded in the application code itself, or can be loadable extensions.

Is query a function in sqlite3?

The list of SQLite functions is sorted into the type of function based on categories such as string, advanced, numeric/mathematical, date/time, and encryption/compression functions. These functions can be used in SQL statements or queries in SQLite.

What is the functionality of SQLite aggregate functions?

Aggregate functions operate on a set of rows and return a single result. Aggregate functions are often used in conjunction with GROUP BY and HAVING clauses in the SELECT statement. SQLite provides the following aggregate functions: AVG() – returns the average value of a group.

What are the functions in SQL server?

Here is the list of some system functions used in the SQL Server:String Functions (LEN, SUBSTRING, REPLACE, CONCAT, TRIM)Date and Time Functions (datetime, datetime2, smalldatetime)Aggregate Functions (COUNT, MAX, MIN, SUM, AVG)Mathematical Functions (ABS, POWER, PI, EXP, LOG)SQL Server Functions - javatpoint

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