999999.9 /**/union/**/all /**/select /**/cast...
SELECT CAST (miles AS INT) FROM Flights -- convert timestamps to text INSERT INTO mytable (text_column) VALUES (CAST (CURRENT_TIMESTAMP AS VARCHAR(100))) -- you must cast NULL as a data type to use it SELECT airline FROM Airlines UNION ALL VALUES (CAST...
sql - Union to handle NULL values - Stack Overflow
select a,b,null,null from table1 union select null,null,c,d from table2 union select null,null,null,null,e,f from table3.
SQL NULL Values - IS NULL and IS NOT NULL
Note: A NULL value is different from a zero value or a field that contains spaces.
php - A customers site had a big mysql injection attack on it, just want...
union all select null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null
Oracle / PLSQL: IS NOT NULL Condition
The Oracle IS NOT NULL condition is used to test for a NOT NULL value. You can use the Oracle IS NOT NULL
CONCAT - MariaDB Knowledge Base
SELECT CONCAT(CAST(int_col AS CHAR), char_col); CONCAT() returns NULL if any argument is NULL. A NULL parameter hides all information contained in other parameters from the result. Sometimes this is not desirable; to avoid this, you can
SQL Injection Cheat Sheet | Netsparker
Use NULL in UNION injections for most data type instead of trying to guess string, date, integer etc. Be careful in Blind situtaions may you can understand error is coming from DB or
Использование значения NULL в условиях поиска | Интерактивный...
Предикат IS NULL позволяет проверить отсутствие (наличие) значения в полях таблицы. Использование в этих случаях обычных предикатов сравнения может привести к неверным результатам, так как сравнение со значением NULL дает результат UNKNOWN (неизвестно).
R null values: NULL, NA, NaN, Inf | R-bloggers
R language supports several null-able values and it is relatively important to understand how these