What different stored objects are supported in MySQL?
What different stored objects are supported in MySQL?
MySQL supports a variety of stored objects that allow users to store and manage SQL code directly on the server. These stored objects include:
Stored Procedures: These are created with the CREATE PROCEDURE
command and are invoked using the CALL
statement. Stored procedures do not return a value directly but can modify parameters and generate result sets for the client[2][3].
Stored Functions: Functions are created with the CREATE FUNCTION
command and are used similarly to built-in functions. They are invoked in expressions and return a value during expression evaluation[2][3].
Triggers: Triggers are created with the CREATE TRIGGER
command and are associated with a table. They are activated automatically when a specified event occurs on the table, such as an insert or update operation[2].
Events: Events are created with the CREATE EVENT
command and are scheduled tasks that the server executes at specified times or intervals[2].
Views: Views are created with the CREATE VIEW
command. They produce a result s...
middle
Gợi ý câu hỏi phỏng vấn
Chưa có bình luận nào