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https://dev.mysql.com/doc/refman/9.7/en/innodb-compression-usage.html
Compressed tables can be created in file-per-table tablespaces or in general tablespaces. The system tablespace (space 0, the .ibdata files) can contain user-created tables, but it also contains internal system data, which is never compressed.
https://dev.mysql.com/doc/refman/9.7/en/innodb-file-space.html
The data files that you define in the configuration file using the innodb_data_file_path configuration option form the InnoDB system tablespace. You cannot define where within the system tablespace your tables are allocated. In a newly created ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-limits.html
This section describes limits for InnoDB tables, indexes, tablespaces, and other aspects of the InnoDB storage engine. The index key prefix length limit is 3072 bytes for InnoDB tables that use DYNAMIC or COMPRESSED row format. The index key prefix ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-online-ddl-operations.html
Online support details, syntax examples, and usage notes for DDL operations are provided under the following topics in this section. Index Operations Primary Key Operations Column Operations Generated Column Operations Foreign Key Operations Table ...
https://dev.mysql.com/doc/refman/9.7/en/innodb-parameters.html
InnoDB Startup Options InnoDB System Variables System variables that are true or false can be enabled at server startup by naming them, or disabled by using a --skip- prefix. For example, to enable or disable the InnoDB adaptive hash index, you can ...
https://dev.mysql.com/doc/refman/9.7/en/insert.html
INSERT [LOW_PRIORITY | DELAYED | HIGH_PRIORITY] [IGNORE] [INTO] tbl_name [PARTITION (partition_name [, partition_name] ...)] [(col_name [, col_name] ...)] { {VALUES | VALUE} (value_list) [, (value_list)] ... | TABLE table_name | VALUES ...
https://dev.mysql.com/doc/refman/9.7/en/keyring-functions-general-purpose.html
MySQL Server supports a keyring service that enables internal components and plugins to store sensitive information securely for later retrieval. MySQL Server also includes an SQL interface for keyring key management, implemented as a set of ...
https://dev.mysql.com/doc/refman/9.7/en/keywords.html
Certain keywords, such as SELECT, DELETE, or BIGINT, are reserved and require special treatment for use as identifiers such as table and column names. This may also be true for the names of built-in functions. Some keywords which are otherwise ...
https://dev.mysql.com/doc/refman/9.7/en/load-data.html
The file can be read from the server host or the client host, depending on whether the LOCAL modifier is given. INTO Statement”.) To write data from a table to a file, use SELECT ... To read the file back into a table, use LOAD DATA. The syntax of ...
https://dev.mysql.com/doc/refman/9.7/en/miscellaneous-optimization-tips.html
This section lists a number of miscellaneous tips for improving query processing speed: If your application makes several database requests to perform related updates, combining the statements into a stored routine can help performance. Similarly, ...