INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE] [INTO] tbl_name [PARTITION (partition_list)] [(col,...)] {VALUES | VALUE} ({expr | DEFAULT},...),(...),... [ ON DUPLICATE KEY UPDATE col=expr [, col=expr] ... ]
Or:
INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE] [INTO] tbl_name [PARTITION (partition_list)] SET col={expr | DEFAULT}, ... [ ON DUPLICATE KEY UPDATE col=expr [, col=expr] ... ]
Or:
INSERT [LOW_PRIORITY | HIGH_PRIORITY] [IGNORE] [INTO] tbl_name [PARTITION (partition_list)] [(col,...)] SELECT ... [ ON DUPLICATE KEY UPDATE col=expr [, col=expr] ... ]
The INSERT
statement is used to insert new rows into an existing table. The INSERT ... VALUES
and INSERT ... SET
forms of the statement insert rows based on explicitly specified values. The INSERT ... SELECT
form inserts rows selected from another table or tables. INSERT ... SELECT
is discussed further in the INSERT ... SELECT
article.
The table name can be specified in the form db_name
.tbl_name
or, if a default database is selected, in the form tbl_name
(see Identifier Qualifiers). This allows to use INSERT ... SELECT to copy rows between different databases.
The PARTITION clause was introduced in MariaDB 10.0. It can be used in both the INSERT and the SELECT part. See Partition Pruning and Selection for details.
The columns list is optional. It specifies which values are explicitly inserted, and in which order. If this clause is not specified, all values must be explicitly specified, in the same order they are listed in the table definition.
The list of value follow the VALUES
or VALUE
keyword (which are interchangeable, regardless how much values you want to insert), and is wrapped by parenthesis. The values must be listed in the same order as the columns list. It is possible to specify more than one list to insert more than one rows with a single statement. If many rows are inserted, this is a speed optimization.
For one-row statements, the SET
clause may be more simple, because you don't need to remember the columns order. All values are specified in the form col
= expr
.
Values can also be specified in the form of a SQL expression or subquery. However, the subquery cannot access the same table that is named in the INTO
clause.
If you use the LOW_PRIORITY
keyword, execution of the INSERT
is delayed until no other clients are reading from the table. If you use the HIGH_PRIORITY
keyword, the statement has the same priority as SELECT
s. This affects only storage engines that use only table-level locking (MyISAM, MEMORY, MERGE). However, if one of these keywords is specified, concurrent inserts cannot be used. See HIGH_PRIORITY and LOW_PRIORITY clauses for details.
For more details on the DELAYED
option, see INSERT DELAYED.
See HIGH_PRIORITY and LOW_PRIORITY.
See INSERT - Default & Duplicate Values for details..
See INSERT IGNORE.
See INSERT ON DUPLICATE KEY UPDATE.
Specifying the column names:
INSERT INTO person (first_name, last_name) VALUES ('John', 'Doe');
Inserting more than 1 row at a time:
INSERT INTO tbl_name VALUES (1, "row 1"), (2, "row 2");
Using the SET
clause:
INSERT INTO person SET first_name = 'John', last_name = 'Doe';
SELECTing from another table:
INSERT INTO contractor SELECT * FROM person WHERE status = 'c';
See INSERT ON DUPLICATE KEY UPDATE and INSERT IGNORE for further examples.
© 2019 MariaDB
Licensed under the Creative Commons Attribution 3.0 Unported License and the GNU Free Documentation License.
https://mariadb.com/kb/en/insert/