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https://dev.mysql.com/mysqlimport.html
Here is a sample session that demonstrates use of mysqlimport: shell> mysql -e 'CREATE TABLE imptest(id INT, n VARCHAR(30))' test shell> ed a 100 Max Sydow 101 Count Dracula . The mysqlimport client provides a command-line interface to the LOAD ...
https://dev.mysql.com/optimize-blob.html
See Section 8.4.2.2, “Optimizing for Character and String Types” for reasons why a binary VARCHAR column is sometimes preferable to an equivalent BLOB column. When storing a large blob containing textual data, consider compressing it first. Do ...
https://dev.mysql.com/optimize-character.html
For column values less than 8KB in size, use binary VARCHAR instead of BLOB. For character and string columns, follow these guidelines: Use binary collation order for fast comparison and sort operations, when you do not need language-specific ...
https://dev.mysql.com/optimize-table.html
After deleting a large part of a MyISAM or ARCHIVE table, or making many changes to a MyISAM or ARCHIVE table with variable-length rows (tables that have VARCHAR, VARBINARY, BLOB, or TEXT columns). OPTIMIZE TABLE reorganizes the physical storage of ...
https://dev.mysql.com/optimizing-innodb-bulk-data-loading.html
For example: CREATE TABLE t1 ( FTS_DOC_ID BIGINT unsigned NOT NULL AUTO_INCREMENT, title varchar(255) NOT NULL DEFAULT '', text mediumtext NOT NULL, PRIMARY KEY (`FTS_DOC_ID`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4; CREATE UNIQUE INDEX ... These ...
https://dev.mysql.com/optimizing-queries-myisam.html
For MyISAM tables that change frequently, try to avoid all variable-length columns (VARCHAR, BLOB, and TEXT). Some general tips for speeding up queries on MyISAM tables: To help MySQL better optimize queries, use ANALYZE TABLE or run myisamchk ...
https://dev.mysql.com/partitioning-columns.html
The next two sections discuss COLUMNS partitioning, which are variants on RANGE and LIST partitioning. COLUMNS partitioning enables the use of multiple columns in partitioning keys. All of these columns are taken into account both for the purpose ...
https://dev.mysql.com/partitioning-limitations-partitioning-keys-unique-keys.html
This section discusses the relationship of partitioning keys with primary keys and unique keys. The rule governing this relationship can be expressed as follows: All columns used in the partitioning expression for a partitioned table must be part ...
https://dev.mysql.com/partitioning-maintenance.html
If you have deleted a large number of rows from a partition or if you have made many changes to a partitioned table with variable-length rows (that is, having VARCHAR, BLOB, or TEXT columns), you can use ALTER TABLE ... A number of table and ...
https://dev.mysql.com/partitioning-management.html
There are a number of ways using SQL statements to modify partitioned tables; it is possible to add, drop, redefine, merge, or split existing partitions using the partitioning extensions to the ALTER TABLE statement. There are also ways to obtain ...
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Document created the 26/06/2006, last modified the 26/10/2018
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