SELECT CAST("apple" AS INT64) AS not_a_number; If you want to protect your queries from these types of errors, you can use SAFE_CAST.
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, and XML.
SELECT username FROM Users WHERE id = '-1' UNION SELECT MID(GROUP_CONCAT(0x3c62723e
CONCAT() returns NULL if any argument is NULL. Press CTRL+C to copy.
What is the difference between … and … and why does the latter not work?
Assigning variables with values during definition is a good practice. A common practice is to assign variables with 0 and pointers with NULL. …
Sponsored Nexo - Instant Crypto LoansGet instant cash in 40+ fiat currencies using crypto as collateral without selling it.
E_ACCESSDENIED. 0x80070005. Access denied. E_FAIL. 0x80004005. Unspecified error. E_INVALIDARG.
Creates a union all query, with the same method signature as the union method.
...text=1' union+select+1,concat_ws(0x3a,table_name,column_name)