SQL query, getting error can't fix

Question

I'm getting an error with this query:

"SELECT username 
and password 
FROM users 
WHERE username = $email , password = $password"

It's returning this error:

Error 1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''users' WHERE username = $email , password = $password LIMIT 0, 30' at line 1

Answer 1

Put quotes around $email and $password. And use the AND in place of the comma in the WHERE clause. Something more like this:

$sql = "SELECT username, password 
FROM users 
WHERE username = '$email' AND password = '$password' LIMIT 1"
;

Answer 2

you are using , instead of and

 "SELECT username ,password 
    FROM users 
       WHERE username = $email and password = $password"

Answer 3

SELECT username,password FROM users WHERE username=$email AND password=$password

Answer 4

Use this:

"SELECT username, password 
FROM users 
WHERE username = '$email' AND password = '$password'"

Column names must be separated by comma, and string values between quotes.

Answer 5

Quote text parameters.

Use prepared statements if possible. These are much more advisable in order to avoid injection problems.