Question

I have a huge table of 100k plus entries. In it a TEXT column named body exist. The column can have upto 1000 UTF-8 characters. All the fields are filled up. I want to replace all occurrence of a string “ABC” with “XYZ” in each individual rows of the column. I know how to do this using traditional fetch-change-update method using a backend language. How can i do the same thing with just mysql. Just by running a query. If i can, how? What should be the query type i have to use.

Answer 1

UPDATE
  yourTable
SET
  yourField = REPLACE(yourField, 'abc', 'xyz')