SQL Server waitfor time delay function usage

Source: Internet
Author: User
The SQL statement waitfor can be written to a stored procedure and executed again: waitfor {delay 'time' | time' time} the time after delay is the delay time after which the execution time is specified. The format is "HH: mm: SS ", the following is an example of a date not supported: ------ specify to execute beginwaitfor time '10: 00' select * From tablenameend ----- specify to wait for 1 hour and then execute beginwaitfor delay'1: 00 'select * From tablenameenddbms_lock.sleep (n) pause for n seconds. Generally, this package will be created after execution, but the permission is not granted by default; another important step is to grant the user the all on dbms_lock permission .. Grant execute on dbms_lock to username as DBA; put it in the storage process

1. waitfor

-- Waitfor

-- For example, the SELECT statement is executed after 1 hour, 2 minutes, and 3 seconds.

Waitfor delay '01: 02: 03'

Select * from employee

-- For example, the SELECT statement will not be executed until PM.

Waitfor time '23: 08: 00'

Select * from employee

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.