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https://dev.mysql.com/fixed-point-types.html
The DECIMAL and NUMERIC types store exact numeric data values. These types are used when it is important to preserve exact precision, for example with monetary data. In MySQL, NUMERIC is implemented as DECIMAL, so the following remarks about ...
https://dev.mysql.com/server-error-reference.html
Please do "ALTER TABLE `%s` FORCE" or dump/reload to fix it! Error number: 1708; Symbol: WARN_OPTION_BELOW_LIMIT; SQLSTATE: HY000 Message: The value of '%s' should be no less than the value of '%s' Error number: 1709; Symbol: ... The MySQL server ...
https://dev.mysql.com/static-format.html
The security is evidenced if your computer crashes while the MySQL server is writing to a fixed-format MyISAM file. Note Fixed-length row format is only available for tables without BLOB or TEXT columns. Easy to reconstruct after a crash, because ...
https://dev.mysql.com/innodb-row-format.html
Depending on column length, all or a prefix of variable-length column values are stored in the B-tree to avoid wasting storage and having to read a separate page. Fixed-length columns greater than or equal to 768 bytes are encoded as variable-length ... The row format of a table determines how its rows are physically stored, which in turn can affect the performance of queries and DML ...
https://dev.mysql.com/mysql-cluster-programs-ndb-desc.html
ndb_desc provides a detailed description of one or more NDB tables. Usage ndb_desc -c connection_string tbl_name -d db_name [options] ndb_desc -c connection_string index_name -d db_name -t tbl_name Additional options that can be used with ndb_desc ...
https://dev.mysql.com/create-table.html
For CHAR, VARCHAR, BINARY, and VARBINARY columns, indexes can be created that use only the leading part of column values, using col_name(length) syntax to specify an index prefix length. BLOB and TEXT columns also can be indexed, but a prefix length ... CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name (create_definition,...) [table_options] [partition_options] CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name [(create_definition,...)] [table_options] [partition_options] [IGNORE | REPLACE] [AS] query_expression CREATE [TEMPORARY] TABLE [IF NOT EXISTS] tbl_name { LIKE old_tbl_name | (LIKE old_tbl_name) } create_definition: col_name column_definition | {INDEX|KEY} [index_name] [index_type] (key_part,...) [index_option] ...
https://dev.mysql.com/mysql-cluster-online-add-node-example.html
In this section we provide a detailed example illustrating how to add new NDB Cluster data nodes online, starting with an NDB Cluster having 2 data nodes in a single node group and concluding with a cluster having 4 data nodes in 2 node groups.
https://dev.mysql.com/mysql-cluster-options-variables.html
Time values can be optionally suffixed with h (hours), m (minutes), or s (seconds). Millisecond values can optionally be specified using ms; millisecond values cannot be specified using h, m, or s.) Integer values can be suffixed with K, M, or G.
https://dev.mysql.com/glossary.html
MySQL can build a hash index on a prefix of any length of the key defined for the B-tree, depending on the pattern of searches against the index. This distinction is important mainly in MySQL 5.1, where a feature or bug fix might apply to the InnoDB ... These terms are commonly used in information about the MySQL database ...
https://dev.mysql.com/load-data.html
If all the input lines have a common prefix that you want to ignore, you can use LINES STARTING BY 'prefix_string' to skip the prefix and anything before it. If a line does not include the prefix, the entire line is skipped. The third row in the ...
Document created the 26/06/2006, last modified the 26/10/2018
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