PDF (US Ltr)
- 35.1Mb
PDF (A4)
- 35.2Mb
Man Pages (TGZ)
- 256.4Kb
Man Pages (Zip)
- 361.2Kb
Info (Gzip)
- 3.4Mb
Info (Zip)
- 3.4Mb
Search Results
https://dev.mysql.com/doc/refman/5.7/en/optimizing-innodb-bulk-data-loading.html
These performance tips supplement the general guidelines for fast inserts in Section 8.2.4.1, “Optimizing INSERT Statements”. When importing data into InnoDB, turn off autocommit mode, because it performs a log flush to disk for every insert.
https://dev.mysql.com/doc/refman/5.7/en/precision-math-expressions.html
In strict SQL mode, for INSERT into a column with an exact data type (DECIMAL or integer), a number is inserted with its exact value if it is within the column range. When retrieved, the value should be the same as what was inserted. (If strict SQL ... With precision math, exact-value numbers are used as given whenever ...
https://dev.mysql.com/doc/refman/5.7/en/create-trigger.html
CREATE [DEFINER = user] TRIGGER trigger_name trigger_time trigger_event ON tbl_name FOR EACH ROW [trigger_order] trigger_body trigger_time: { BEFORE | AFTER } trigger_event: { INSERT | UPDATE | DELETE } trigger_order: { FOLLOWS | PRECEDES } ...A ...
https://dev.mysql.com/doc/refman/5.7/en/example-auto-increment.html
For example: INSERT INTO animals (id,name) VALUES(0,'groundhog'); If the column is declared NOT NULL, it is also possible to assign NULL to the column to generate sequence numbers. For example: INSERT INTO animals (id,name) VALUES(NULL,'squirrel'); ...You can also explicitly assign 0 to the column to generate sequence numbers, unless the NO_AUTO_VALUE_ON_ZERO SQL mode is ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-metrics-table.html
Create a simple InnoDB table: mysql> USE test; Database changed mysql> CREATE TABLE t1 (c1 INT) ENGINE=INNODB; Query OK, 0 rows affected (0.02 sec) Enable the dml_inserts counter. row *************************** NAME: dml_inserts SUBSYSTEM: dml ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbd-definition.html
(This also means that DataMemory pages, once allocated to a given table, cannot be used by other tables.) Performing a data node recovery also compresses the partition because all records are inserted into empty partitions from other live nodes.
https://dev.mysql.com/doc/refman/5.7/en/partitioning-limitations-locking.html
REPLACE and INSERT lock only those partitions having rows to be inserted or replaced. A BEFORE UPDATE trigger on a partitioning column means that locks imposed by UPDATE or INSERT ... In MySQL 5.7, partition lock pruning eliminates unneeded locks in ...
https://dev.mysql.com/doc/refman/5.7/en/replication-sbr-rbr.html
Not all statements which modify data (such as INSERT DELETE, UPDATE, and REPLACE statements) can be replicated using statement-based replication. For InnoDB: An INSERT statement that uses AUTO_INCREMENT blocks other nonconflicting INSERT statements.
https://dev.mysql.com/doc/refman/5.7/en/upgrading-from-previous-series.html
Incompatible change: It is possible for a column DEFAULT value to be valid for the sql_mode value at table-creation time but invalid for the sql_mode value when rows are inserted or updated. Example: SET sql_mode = ''; CREATE TABLE t (d DATE DEFAULT ... Before upgrading to MySQL 5.7, review the changes described in this section to identify those that apply to your current MySQL installation and ...
https://dev.mysql.com/doc/refman/5.7/en/events-privileges.html
Since the user does not have the INSERT privilege for the table in question, the event has no effect. If you inspect the MySQL error log (hostname.err), you can see that the event is executing, but the action it is attempting to perform fails: ...