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https://dev.mysql.com/doc/refman/5.7/en/view-restrictions.html
The maximum number of tables that can be referenced in the definition of a view is 61. View processing is not optimized: It is not possible to create an index on a view. Indexes can be used for views processed using the merge algorithm. However, a ...
https://dev.mysql.com/doc/refman/5.7/en/adding-collation-choosing-id.html
To add a collation, you must choose an ID value that is not currently used. The range of IDs from 1024 to 2047 is reserved for user-defined collations. The collation ID that you choose appears in these contexts: The ID column of the Information ...
https://dev.mysql.com/doc/refman/5.7/en/apis-perl.html
The Perl DBI module provides a generic interface for database access. You can write a DBI script that works with many different database engines without change. To use DBI with MySQL, install the following: The DBI module. Optionally, the DBD ...
https://dev.mysql.com/doc/refman/5.7/en/archive-storage-engine.html
The ARCHIVE storage engine produces special-purpose tables that store large amounts of unindexed data in a very small footprint. To enable this storage engine if you build MySQL from source, invoke CMake with the -DWITH_ARCHIVE_STORAGE_ENGINE ...
https://dev.mysql.com/doc/refman/5.7/en/audit-log-reference.html
Unless those objects are installed, the audit_log plugin operates in legacy mode. Audit Log Tables MySQL Enterprise Audit uses tables in the mysql system database for persistent storage of filter and user account data. The tables can be accessed ...
https://dev.mysql.com/doc/refman/5.7/en/binary-log-mysql-database.html
The contents of the grant tables in the mysql database can be modified directly (for example, with INSERT or DELETE) or indirectly (for example, with GRANT or CREATE USER). Statements that affect mysql database tables are written to the binary log ...
https://dev.mysql.com/doc/refman/5.7/en/charset-errors.html
This section describes how the MySQL server uses character sets for constructing error messages. For information about the language of error messages (rather than the character set), see Section 10.12, “Setting the Error Message Language”. For ...
https://dev.mysql.com/doc/refman/5.7/en/charset-unicode.html
The Unicode Standard includes characters from the Basic Multilingual Plane (BMP) and supplementary characters that lie outside the BMP. For information about the Unicode Standard itself, visit the Unicode Consortium website. BMP characters have ...
https://dev.mysql.com/doc/refman/5.7/en/communication-errors.html
If connection problems occur such as communication errors or aborted connections, use these sources of information to diagnose problems: The error log. The host cache, which is accessible using the Performance Schema host_cache table. See Section ...
https://dev.mysql.com/doc/refman/5.7/en/creating-ssl-files-using-openssl.html
This section describes how to use the openssl command to set up SSL certificate and key files for use by MySQL servers and clients. The first example shows a simplified procedure such as you might use from the command line. The first two examples ...