First, specify the table name that you want to change data in the UPDATE clause. Second, assign a new value for the column that you want to update. In case you want to update data in multiple columns, each column = value pair is separated by a comma (,). Third, specify which rows you want to update in the WHERE clause.

What does updating data mean?

From Wikipedia, the free encyclopedia. An SQL UPDATE statement changes the data of one or more records in a table. Either all the rows can be updated, or a subset may be chosen using a condition.

Does update mean change?

Essential Meaning of update. 1 : to change (something) by including the most recent information I need to update my address book. update all the population figures. 2 : to make (something) more modern She wants to update her wardrobe.