Question

what is update command ?​

Answer 1

Required Answer ✌️

• Defination of Update Command

UPDATE Command is used to update any record of data in a table.

The UPDATE statement is a Structured Query Language (SQL) statement used to change or update values in a table.

It is usually suffixed with a WHERE clause to restrict the change to a set of values that meet a specific set of criteria.

• Syntax of Update command

UPDATE table_name SET column_name = new_value WHERE some_condition;

WHERE is used to add a condition to any SQL query.

• Detailed according to SQL

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.

• SQL Syntax of Update Command

UPDATE table_name SET column_name = value [, column_name = value ...]

• Function of SQL Command

An UPDATE statement is used to directly change or modify the values stored in one or more fields in a specified record in a single table.

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Answer 2

Update command could be defined as a type of command that ensures editing of the data of a table through data manipulation.

• Update command in terms of Computer Science is used to modify a row or multiple rows.
• The method of update would depend on the conditions set by the user.
• Other factors like the WHERE clause and the SET clause are used along with this Update Command.
• To run the Update command on your desktop, you have to install it from the Software Center Application.
• Thus, Update Command is a type of command that helps in the editing of the data or information through the method of data manipulation.

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