SQL UPDATE: Modify Table Data Guide

1 year ago
William Carter
1 minute

To modify data in a table, you can use the UPDATE statement in SQL.

The grammar is as follows:
The grammar is outlined as follows:

UPDATE 表名
SET 列名1 = 值1, 列名2 = 值2, ...
WHERE 条件;

The specific operational steps are as follows:

  1. Open the SQL editor or terminal and connect to the database.
  2. Write an UPDATE statement specifying the table name, column to be updated, its value, and the update condition.

For example, to change the record in the “name” column of the table named “users” from “Alice” to “Bob,” you can write it like this:

UPDATE users
SET name = 'Bob'
WHERE name = 'Alice';
  1. Simply execute the SQL statement to update the data in the table.
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