"where 1=1" statement

> **Possible Duplicate:** > [Why would someone use WHERE 1=1 AND <conditions> in a SQL clause?](https://stackoverflow.com/questions/242822/why-would-someone-use-where-1-1-and-conditions-in-a-sql-clause) <!-- End of automatically inserted text --> I saw some people use a statement to query a table in a MySQL database like the following: select * from car_table where 1=1 and value="TOYOTA" But what does `1=1` mean here?