• SQL

    Update Existing SQL Records Using the UPDATE Statement

    Previously we looked at finding data in a SQL database and The UPDATE statement is used to update records in a table. You can also use the UPDATE statement to update existing records in a table. When using the SQL UPDATE statement, we’ll also use the WHERE clause, as we used previously to constrain output of a SELECT statement. The WHERE locates the record(s) to be updated with syntax as follows: UPDATE table SET column=value,column=value,... WHERE column=value; The WHERE clause indicates the record(s) to update. I’ve forgotten to put it in in the past and updated every record of a database. That’s bad (unless you mean to do it). So…