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https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-0.html
For InnoDB tables, the Information Schema INNODB_TABLESPACES and INNODB_DATAFILES tables provide tablespace metadata. (WL #15822) InnoDB: Changed the default values for the following InnoDB configuration options: innodb_adaptive_hash_index, ...The ...(Bug #36301441) Audit log filtering by type, using error as the type, did not work ...(Bug #36118809) C API Notes Important Change: The following MySQL C API functions, removed in MySQL 8.3, have been reimplemented and restored in MySQL 8.4.0: mysql_kill(): In place of COM_PROCESS_KILL (removed), ...
https://dev.mysql.com/doc/workbench/en/wb-migration-database-mssql-drivers-linux.html
To use it, follow these steps: Using FreeTDS with iODBC When compiling FreeTDS for use with iODBC (the default with the official binaries), it must be compiled with the --enable-odbc-wide command line. Failing to do so will result in crashes and ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-secondary-indexes-ndbrecord.html
The source code for this example may be found in the NDB Cluster source trees, in the file storage/ndb/ndbapi-examples/ndbapi_s_i_ndbrecord/main.cpp. */ NdbDictionary::RecordSpecification spec[2]; spec[0].column= col1; spec[0].offset= ... This ...
https://dev.mysql.com/doc/mysql-secure-deployment-guide/8.0/en/secure-deployment-verify-package.html
The signature file has the same name as the distribution file with an .asc extension, as shown in the following table. Here are explanations for the warnings: gpg: no ultimately trusted keys found: This means that the specific key is not "ultimately ... After downloading the MySQL package and before attempting to install it, ensure that the package is intact and has not been tampered ...
https://dev.mysql.com/doc/ndbapi/en/ndb-ndboperation.html
The value passed in is a bitmask which is bitwise-ANDed with the column data. Enumeration values Possible values are shown, along with descriptions, in the following table: Table 2.51 NdbOperation::AbortOption type values and descriptions Name ...
https://dev.mysql.com/doc/internals/en/prepared-stored-reexecution.html
Features of MySQL 4.1 and 5.0 put a new demand on the execution process: prepared statements and stored routines need to reuse the same parsed tree to execute a query many times. So far no easy mechanism that would allow query reexecution using the ...Examples of destructive modifications are: Equality propagation Sorting of members of IN array for quick evaluation of IN ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-metric-mysqlserver-handleractivity-category.html
Read Rnd Next (Delta) The number of requests to read the next row in the data file. Lists the Handler Activity metrics and provides a brief description of each. Table 6.8 Handler Activity Metrics NameDescriptionCommit (Delta) The number of internal ...If this value is high, it is a good indication that your tables are properly indexed for your ...
https://dev.mysql.com/doc/workbench/en/wb-migration-database-mssql-connection-linux.html
Select Microsoft SQL Server as the source database system and fill out the remaining options as described in this section. Figure 10.43 SQL Server Connection Parameters Example on Linux Source RDBMS connection parameters include: Database System: ...For additional information about how to install a FreeTDS driver on Linux that will work with the MySQL Workbench migration wizard, see Section 10.5.2.2, ...
https://dev.mysql.com/doc/refman/8.4/en/sql-mode.html
If you are using a nontransactional storage engine, this may not be what you want because data changes made prior to the error may not be rolled back, resulting in a “partially done” update. (See Section 7.1.8, “Server System Variables”.) ...
https://dev.mysql.com/doc/internals/en/risky-handling-around-additional-sessions.html
This is most probably good for the throughput of usual application but has some annoying consequences for the development of tests. If a disconnect <connection> or KILL <connection_id> or --exec <client program which connects to the server> occurs ...It triggers some disconnect for any open session but this is also ...