PDF (US Ltr)
- 43.2Mb
PDF (A4)
- 43.3Mb
Man Pages (TGZ)
- 295.2Kb
Man Pages (Zip)
- 400.4Kb
Info (Gzip)
- 4.3Mb
Info (Zip)
- 4.3Mb
Search Results
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-import.html
db_name is the name of the database where the table into which to import the data is found; file_name is the name of the CSV file from which to read the data; this must include the path to this file if it is not in the current directory. The name of ... ndb_import imports CSV-formatted data, such as that produced by mysqldump --tab, directly into NDB using the NDB ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-selection.html
When a table is created using [LINEAR] HASH or [LINEAR] KEY partitioning and the names of the partitions are not specified, MySQL automatically names the partitions p0, p1, p2, ..., pN-1, where N is the number of partitions. This option always ...
https://dev.mysql.com/doc/refman/8.0/en/drop-table.html
A TEMPORARY table is visible only with the session that created it, so no check is necessary. Be careful with this statement! For each table, it removes the table definition and all table data. If the table is partitioned, the statement removes the ...They are permitted to make porting easier from other database ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-key.html
PARTITION BY KEY are similar to those for creating a table that is partitioned by hash. In both of these cases, the partitioning key is the id column, even though it is not shown in the output of SHOW CREATE TABLE or in the PARTITION_EXPRESSION ...
https://dev.mysql.com/doc/refman/8.0/en/stored-program-restrictions.html
(Bug #16396) References to stored functions, loadable functions, and tables in the ON SCHEDULE clauses of CREATE EVENT and ALTER EVENT statements are not supported. Any stored routine or trigger that interacts with MySQL Cluster tables must be ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-migration.html
To move databases in a binary format from Unix to Windows or from Windows to Unix, create all databases and tables using lowercase names. In addition, MySQL Enterprise Backup can create compressed backup files, and back up subsets of tables. This ...MySQL Enterprise Backup The MySQL Enterprise Backup product lets you back up a running MySQL database with minimal disruption to operations while producing a consistent snapshot of the ...
https://dev.mysql.com/doc/refman/8.0/en/myisam-storage-engine.html
To specify explicitly that you want a MyISAM table, indicate that with an ENGINE table option: CREATE TABLE t (i INT) ENGINE = MYISAM; In MySQL 8.0, it is normally necessary to use ENGINE to specify the MyISAM storage engine because InnoDB is the ...
https://dev.mysql.com/doc/refman/8.0/en/tracing-example.html
Next, for every table in the query, we estimate the cost of, and number of records returned by, a table scan or a range access. "resulting_clause_is_simple": true, "resulting_clause": "`test`.`alias1`.`col_int_key`" } /* clause_processing */ }, The ...Now we can examine the trace, whose first column (QUERY), containing the original statement to be traced, is shown here: SELECT * FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE\G *************************** ...
https://dev.mysql.com/doc/refman/8.0/en/derived-condition-pushdown-optimization.html
For a query in which the condition is on the tables of a view created using ALGORITHM=TEMPTABLE instead of on the view itself, the multiple equality is not recognized at resolution, and thus the condition cannot be not pushed down. When a derived ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-statistics-table.html
However, prefix lengths for index specifications in CREATE TABLE, ALTER TABLE, and CREATE INDEX statements are interpreted as number of characters for nonbinary string types (CHAR, VARCHAR, TEXT) and number of bytes for binary string types (BINARY, ...The information_schema_stats_expiry system variable defines the period of time before cached table statistics ...