Why do we use 0 and 1 to represent Boolean values in SQL


In SQL, Boolean values (True
or False
) are typically represented using 1
for True
and 0
for False
. Let’s look more into how this works:
Many SQL databases don’t have a native Boolean type (especially older Dbs), so they use integers to represent Boolean values:
1
= True0
= False
Here are some reasons why
Computers use binary (0s and 1s), so it’s normal to represent Boolean values this way.
Works across databases like MySQL, SQLite, and older systems without a native
BOOLEAN
type.Using
TINYINT(1)
in databases such as MySQL is space-efficient and offers fast evaluation performance.
Example
SELECT * FROM soul WHERE is_useful= 1;
Final Say
In SQL, 1
represents True
and 0
represents False
. This is a simple concept that’s rooted in binary logic, but useful for writing clear and effective SQL queries. Cheers🎯
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Written by
Evans
Evans
Full-stack Web Developer Python+Django||React