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https://dev.mysql.com/doc/refman/8.0/en/upgrading.html
Note In the following discussion, MySQL commands that must be run using a MySQL account with administrative privileges include -u root on the command line to specify the MySQL root user. This chapter describes the steps to upgrade a MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/use.html
The named database remains the default until the end of the session or another USE statement is issued: USE db1; SELECT COUNT(*) FROM mytable; # selects from db1.mytable USE db2; SELECT COUNT(*) FROM mytable; # selects from db2.mytable The database ... USE db_name The USE statement tells MySQL to use the named database as the default (current) database for subsequent ...
https://dev.mysql.com/doc/refman/8.0/en/view-algorithms.html
The optional ALGORITHM clause for CREATE VIEW or ALTER VIEW is a MySQL extension to standard SQL. For MERGE, the text of a statement that refers to the view and the view definition are merged such that parts of the view definition replace ...It ...
https://dev.mysql.com/doc/refman/8.0/en/window-functions-frames.html
The definition of a window used with a window function can include a frame clause. A frame is a subset of the current partition and the frame clause specifies how to define the subset. Frames are determined with respect to the current row, which ...
https://dev.mysql.com/doc/refman/8.0/en/windows-testing.html
If you have set a password for the root account, deleted the anonymous account, or created a new user account, then to connect to the MySQL server you must use the appropriate -u and -p options with the commands shown previously. In this case, start ...
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
The attributes for CPU affinity, priority, and whether the group is enabled can be modified with ALTER RESOURCE GROUP. These attributes are specified the same way as described for CREATE RESOURCE GROUP (see Section 15.7.2.2, “CREATE RESOURCE GROUP ... 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 ...
https://dev.mysql.com/doc/refman/8.0/en/case.html
If no when_value or search_condition matches the value tested and the CASE statement contains no ELSE clause, a Case not found for CASE statement error results. CASE case_value WHEN when_value THEN statement_list [WHEN when_value THEN ...This ...
https://dev.mysql.com/doc/refman/8.0/en/close.html
If not closed explicitly, a cursor is closed at the end of the BEGIN ...
https://dev.mysql.com/doc/refman/8.0/en/condition-handling-restrictions.html
In MySQL, this is not guaranteed, so to get the main error, you cannot do this: GET DIAGNOSTICS CONDITION 1 @errno = MYSQL_ERRNO; Instead, do this: GET DIAGNOSTICS @cno = NUMBER; GET DIAGNOSTICS CONDITION @cno @errno = MYSQL_ERRNO; . In standard ...