Updating a mysql database
To update a record in any table it is required to locate that record by using a conditional clause.
Below example uses primary key to match a record in employee table.
If IGNORE is provided, all errors encountered during the update are ignored.
This helps prevent us from overwriting large amounts of data accidentally.
Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
Visit Stack Exchange Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. Sign up to join this community I am trying to understand how to UPDATE multiple rows with different values and I just don't get it.
For account upgrade instructions, see Section 126.96.36.199, “Migrating Away from Pre-4.1 Password Hashing and the mysql_old_password Plugin”.
does not upgrade the contents of the time zone tables or help tables.