The trigger can be executed when you run one of the following MySQL statements on the table: INSERT, UPDATE and DELETE and it can be invoked before or
You’ll notice the syntax for a SQL trigger is very similar to that of a stored procedure. In fact, the trigger uses the same language to implement its logic as dostored procedures. In MS SQL, this isT-SQL; whereas in Oracle it isPL/SQL. Here are some important parts to a trigger:...
In NDB 8.0.22 and later, setting ndb_metadata_sync to true clears the list of objects for which synchronization has failed previously, which means it is no longer necessary to discover individual tables or to re-trigger synchronization by reconnecting the SQL node to the cluster. In addition,...
Beginning with MySQL 8.4.0, the deprecated mysql_native_password authentication plugin is no longer enabled by default. To enable it, start the server with --mysql-native-password=ON (added in MySQL 8.4.0), or by including mysql_native_password=ON in the [mysqld] section of your MySQL co...
All tables, indices, triggers, and views, are contained within a single disk file. The database file format is cross-platform and may be copied between 32-bit and 64-bit systems. The SQLite library is about 250 KB in size, while the MySQL server is about 600 MB. Moreover, no configu...
MySQL database has found favor with web developers due to its ease-of-use and productivity features, including triggers, stored procedures, and updatable views. MySQL includes utilities like mysqldump, a backup program; mysqladmin, an administrative client; and MySQL Workbench, a GUI for management...
Backend server failures, including hardware failures or software crashes, can render servers unable to fulfill client requests. Like a chef burning the main course, backend server failures can lead to service disruptions and trigger the 502 Bad Gateway error. ...
In the world of database management, the choice between MySQL and PostgreSQL depends on your database’s specific needs. MySQL is known for its speed and ease of use. On the other hand, PostgreSQL excels when it comes to advanced features and extensibility. However, regardless of which DBMS...
What is an AI agent? A plain-English guide we wrote for ourselves (and you). AI agents help your teams move faster and work smarter, but only if you know what you're dealing with. Here's... Best Practices11 min read Mission: AI possible—What agentic AI means for the future of IT...
Below is an example trigger from the AdventureWorks2012 database. You’ll notice the syntax for a trigger is very similar to that of a stored procedure. In fact, the trigger uses the same language to implement its logic as dostored procedures. In MS SQL, this isT-SQL; whereas in Oracle...