Main content
Course: Unlisted resources area > Unit 2
Lesson 3: SQL documentation- SQL: CREATE table with multiple data types
- SQL: CREATE table with a primary key
- SQL: Specifying DEFAULT values in CREATE TABLE
- SQL: CREATE TABLE with foreign key reference
- SQL: INSERTing values in tables
- SQL: SELECTing rows
- SQL: SELECTing with WHERE conditions
- SQL: Filter with IN
- SQL: SELECT with ORDER BY
- SQL: Transform SELECT results with CASE
- SQL: Filtering with LIKE
- SQL: Using SELECT with LIMIT
- SQL: ROUND and other core functions
- SQL: SELECT with aggregate functions
- SQL: Grouping SELECT results with GROUP BY
- SQL: Using HAVING with GROUP BY
- SQL: JOIN on tables
- SQL: UPDATE and DELETE
- SQL: ALTER TABLE
© 2024 Khan AcademyTerms of usePrivacy PolicyCookie Notice
SQL: ROUND and other core functions
SQLite (and many SQL engines) comes with a set of core functions that can be used to operate on values. Some of the most popular ones are
ROUND
, ABS
, LENGTH
, LOWER
, and TRIM
. See below for an example of some of those in action.For a complete list, see the SQLite reference for the core functions.