For similar information about NDB Cluster 7.5, see What is New in NDB Cluster 7.5. NDB Cluster 7.4 and 7.3 were previous GA releases which have reached their end of life, and which are no longer supported or ma
which is no longer supported in MySQL 8.0. To facilitate online upgrades to NDB 8.0,NDBperforms on-the-fly translation of this metadata and writes it into the MySQL Server's data dictionary, which enables themysqldin NDB Cluster 8.0
For more information about how this change affects handling of versioned comments in MySQL, see Section 11.7, “Comments”. group_replication_set_as_primary() and DDL statements. The group_replication_set_as_primary() function waits for ongoing DDL statements such as ALTER TABLE when waiting ...
In the Event Scheduler, users can now prepare SQL statements CREATE EVENT, ALTER EVENT, and DROP EVENT. What’s going away in MySQL 9.0 Insecure and elderly SHA-1, after being deprecated in MySQL 8, is gone, and the server now rejects mysql_native authentication requests from older client ...
MySQL 8.0 deliversNOWAITandSKIP LOCKEDalternatives in the SQL locking clause. Normally, when a row is locked due to anUPDATEor aSELECT ... FOR UPDATE, any other transaction will have to wait to access that locked row. In some use cases there is a need to either return immediately if a...
And we have made it possible to issueCHANGE MASTERwithout stopping replication (WL#6120). In order to add/alter an option using theCANGE MASTER TOcommand, it was previously necessary to issue aSTOP SLAVEcommand before theCHANGE MASTER TOcommand. This work relaxes that constraint. See also Shiv...
ALTER USER 'root'@'localhost' IDENTIFIED BY 'new_password'; It’s done, stop the server and restart it normally. Now you can connect to the MySQL Server with the new password. Need a good GUI Tool for MySQL? TablePlus is a modern, native tool with an elegant UI that allows you to...
is still a single table. Syntactically, this implements a number of new extensions to theCREATE TABLE,ALTER TABLE, andEXPLAIN ... SELECTstatements. As of MySQL 5.1.6, queries against partitioned tables can take advantage ofpartition pruning. In some cases, this can result in query execution ...
JavaScript is an object-oriented programming language, with some exceptions applications. Some common object-oriented procedures aren’t supported by it. The prototypal inheritance technique used by the language enables you to alter any prototype. Once an object is defined, you can change anything by...
By the way, TOP 100 is valid for SQL Server and SQL Azure, but not MySQL or Oracle. In MySQL, you’d use LIMIT 100 after the WHERE clause. In Oracle, you’d use a bound on ROWNUM as part of the WHERE clause, i.e. WHERE... AND ROWNUM <=100. Unfortunately, the ANSI/ISO SQL...