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https://dev.mysql.com/doc/refman/8.0/en/tuning-trace-purging.html
A user who wants to see the trace of a different substatement can enable or disable tracing for the desired substatement, but this requires editing the routine code, which may not always be possible. Thus, if a statement contains substatements (such ...
https://dev.mysql.com/doc/refman/8.0/en/verifying-md5-checksum.html
After you have downloaded a MySQL package, you should make sure that its MD5 checksum matches the one provided on the MySQL download pages. Each package has an individual checksum that you can verify against the package that you downloaded. The ...
https://dev.mysql.com/doc/refman/8.0/en/which-version.html
You want to read or modify the C and C++ code that makes up MySQL. When preparing to install MySQL, decide which version and distribution format (binary or source) to use. First, decide whether to install from a bugfix series like MySQL 8.4, or use ...
https://dev.mysql.com/doc/refman/8.0/en/windows-installation.html
The source distribution format contains all the code and support files for building the executables using the Visual Studio compiler system. Important MySQL 8.0 Server requires the Microsoft Visual C++ 2019 Redistributable Package to run on Windows ...
https://dev.mysql.com/doc/refman/8.0/en/activestate-perl.html
If you cannot get the procedure to work, you should install the ODBC driver instead and connect to the MySQL server through ODBC: use DBI; $dbh= DBI->connect("DBI:ODBC:$dsn",$user,$password) || die "Got error $DBI::errstr when connecting to $dsn\n"; ... On Windows, you should do the following to install the MySQL DBD module with ActiveState Perl: Get ActiveState Perl from http://www.activestate.com/Products/ActivePerl/ and install ...
https://dev.mysql.com/doc/refman/8.0/en/alter-resource-group.html
ALTER RESOURCE GROUP group_name [VCPU [=] vcpu_spec [, vcpu_spec] ...] [THREAD_PRIORITY [=] N] [ENABLE|DISABLE [FORCE]] vcpu_spec: {N | M - N} ALTER RESOURCE GROUP is used for resource group management (see Section 7.1.16, “Resource Groups”).
https://dev.mysql.com/doc/refman/8.0/en/alter-table-examples.html
For NDB tables, it is also possible to change the storage type used for a table or column. row *************************** Table: t1 Create Table: CREATE TABLE `t2` ( `c1` int(11) DEFAULT NULL ) /*!50100 TABLESPACE ts_1 STORAGE DISK */ ...
https://dev.mysql.com/doc/refman/8.0/en/alter-table-problems.html
If you get a duplicate-key error when using ALTER TABLE to change the character set or collation of a character column, the cause is either that the new column collation maps two keys to the same value or that the table is corrupted. In the latter ...
https://dev.mysql.com/doc/refman/8.0/en/alter-tablespace.html
ALTER TABLESPACE ts1 ENGINE_ATTRIBUTE='{"key":"value"}'; ENGINE_ATTRIBUTE values can be repeated without error. It can be used to add a new data file to, or to drop a data file from an NDB tablespace. It can also be used to rename an NDB Cluster ...
https://dev.mysql.com/doc/refman/8.0/en/analyze-table.html
Column Value Table The table name Op analyze or histogram Msg_type status, error, info, note, or warning Msg_text An informational message Key Distribution Analysis ANALYZE TABLE without either HISTOGRAM clause performs a key distribution analysis ...ANALYZE [NO_WRITE_TO_BINLOG | LOCAL] TABLE tbl_name UPDATE HISTOGRAM ON col_name [, col_name] ...