Delete the php code for repeated records in the mysql database

Source: Internet
Author: User
Delete the php code for repeated records in the mysql database
This article introduces how to use php to delete a code example of repeated records in a mysql database. For more information, see.

Method: create a new table and directly import non-duplicate data records. The database used in this article is test_db, and the temporary table is test_tab. Example:


Note: pay attention to the usage of the set_time_limit () function. if there is a large amount of data, it may Time Out. use this function to set a timeout limit.

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: 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.