I often find myself looking for this quick snippet of SQL code, even though I use it pretty much weekly. So, partly for my own reference, here's a quick line of SQL to find and replace any string of text in a single field throughout an entire database table.
UPDATE tblName SET fldName = REPLACE(fldName,'text to look for','replacement text');
Swap out the tblName reference for your table name, the fldName references for the field you want to make the replacement in, and the text to look for and replacement text values for your find and replace strings. REPLACE() is a case-sensitive MySQL function.
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