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What is the sql modification statement?

步履不停
步履不停Original
2019-06-14 15:40:358096browse

What is the sql modification statement?

SQL modification statement is an UPDATE statement.

SQL UPDATE statement

The UPDATE statement is used to update records that already exist in the table.

SQL UPDATE syntax

UPDATE table_name
SET column1=value1,column2=value2,...
WHERE some_column=some_value;

Please pay attention to the WHERE clause in the SQL UPDATE statement!

The WHERE clause specifies which record or records need to be updated. If you omit the WHERE clause, all records will be updated!

For more technical articles related to SQL, please visit the SQL Tutorial## column to learn!

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