Selecting Data
The SELECT
statement is used for retrieving data from tables, for select specific data, often based on a criteria given in the WHERE
clause.
Title | Description |
---|---|
SELECT | SQL statement used primarily for retrieving data from a MariaDB database. |
Joins & Subqueries | Documentation on the JOIN, UNION, EXCEPT and INTERSECT clauses, and on subqueries. |
LIMIT | Documentation of the LIMIT clause. |
ORDER BY | Order the results returned from a resultset. |
GROUP BY | Aggregate data in a SELECT statement with the GROUP BY clause. |
Common Table Expressions | Common table expressions are temporary named result sets |
SELECT WITH ROLLUP | Adds extra rows to the resultset that represent super-aggregate summaries |
SELECT INTO OUTFILE | Write the resultset to a formatted file |
SELECT INTO DUMPFILE | Write a binary string into file |
FOR UPDATE | Acquires a lock on the rows |
LOCK IN SHARE MODE | Acquires a write lock. |
Optimizer Hints | Optimizer hints There are some options available in SELECT to affect the ex... |
PROCEDURE | The PROCEDURE Clause of the SELECT Statement. |
HANDLER | Direct access to reading rows from the storage engine. |
DUAL | Dummy table name |
SELECT ... OFFSET ... FETCH | Allows one to specify an offset, a number of rows to be returned, and wheth... |
Content reproduced on this site is the property of its respective owners, and this content is not reviewed in advance by MariaDB. The views, information and opinions expressed by this content do not necessarily represent those of MariaDB or any other party.
© 2021 MariaDB
Licensed under the Creative Commons Attribution 3.0 Unported License and the GNU Free Documentation License.
https://mariadb.com/kb/en/selecting-data/