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https://dev.mysql.com/doc/refman/5.7/en/optimizing-myisam-bulk-data-loading.html
This creates the index tree in memory before writing it to disk, which is much faster than updating the index during LOAD DATA because it avoids lots of disk seeks. The main difference between automatic optimization and using the procedure ... These ...
https://dev.mysql.com/doc/refman/5.7/en/optimizing-spatial-analysis.html
It is also possible to create normal indexes on spatial columns. Other storage engines support non-SPATIAL indexes, as described in Section 13.1.14, “CREATE INDEX Statement”. For MyISAM and InnoDB tables, search operations in columns containing ...
https://dev.mysql.com/doc/refman/5.7/en/other-vendor-data-types.html
If you create a table with types used by other vendors and then issue a DESCRIBE tbl_name statement, MySQL reports the table structure using the equivalent MySQL types. To facilitate the use of code written for SQL implementations from other ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-limitations-functions.html
This section discusses limitations in MySQL Partitioning relating specifically to functions used in partitioning expressions. Each of these functions returns an integer only if it is passed an argument of an exact numeric type, such as one of the ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-management-hash-key.html
Tables which are partitioned by hash or by key are very similar to one another with regard to making changes in a partitioning setup, and both differ in a number of ways from tables which have been partitioned by range or list. For that reason, ...
https://dev.mysql.com/doc/refman/5.7/en/populating-spatial-columns.html
After you have created spatial columns, you can populate them with spatial data. Values should be stored in internal geometry format, but you can convert them to that format from either Well-Known Text (WKT) or Well-Known Binary (WKB) format. For ...
https://dev.mysql.com/doc/refman/5.7/en/reloading-delimited-text-dumps.html
For backups produced with mysqldump --tab, each table is represented in the output directory by an .sql file containing the CREATE TABLE statement for the table, and a .txt file containing the table data. To reload a table, first change location ...
https://dev.mysql.com/doc/refman/5.7/en/replica-logs-relaylog.html
Successive relay log files are created using successive sequence numbers, beginning with 000001. On a Unix system, this can be done as shown here: $> cat new_relay_log_name.index >> old_relay_log_name.index $> mv old_relay_log_name.index ... The ...
https://dev.mysql.com/doc/refman/5.7/en/replica-logs.html
A replica server creates several repositories of information to use for the replication process: The relay log, which is written by the replication I/O thread, contains the transactions read from the replication source server's binary log. The ...
https://dev.mysql.com/doc/refman/5.7/en/replica-sql-thread-states.html
Making temporary file (create) before replaying LOAD DATA INFILE The thread is executing a LOAD DATA statement and is creating a temporary file containing the data from which the replica reads rows. This state can only be encountered if the original ...