What is the UPDATE command?

Which command is used for UPDATE?

Explanation: UPDATE command is used to update any record of data in a table. Following is its general syntax, UPDATE table_name SET column_name = new_value WHERE some_condition; WHERE is used to add a condition to any SQL query, we will soon study about it in detail.

What is the UPDATE SQL command?

The UPDATE command in SQL is used to modify or change the existing records in a table. If we want to update a particular value, we use the WHERE clause along with the UPDATE clause. If you do not use the WHERE clause, all the rows will be affected.

What is UPDATE command syntax?

The basic syntax of the UPDATE query with a WHERE clause is as follows − UPDATE table_name SET column1 = value1, column2 = value2...., columnN = valueN WHERE [condition]; You can combine N number of conditions using the AND or the OR operators.

What is SELECT and UPDATE command?

The UPDATE from SELECT query structure is the main technique for performing these updates. An UPDATE query is used to change an existing row or rows in the database. UPDATE queries can change all tables' rows, or we can limit the update statement affects for certain rows with the help of the WHERE clause.