select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database.
western union в алматы казком? спросил 11 Сен от An4ous (190 баллов) в категории Заң.
999999.9' union all select 999,2 and '0'='0 где купить в аптеках, Поиск и заказ лекарств в аптеках Санкт-Петербурга и Ленинградской области онлайн, бронирование и доставка лекарств.
Оба UNION и UNION ALL объединяют результат двух разных SQL.
select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database. If TYPE OF is used with a (VAR)CHAR type, its character. Casting BLOBs: Successful casting to and from BLOBs is possible since Firebird 2.1.
SELECT CAST('abc' AS varchar(5)) COLLATE French_CS_AS. Truncating and rounding results. When converting character or binary expressions (binary, char, nchar, nvarchar, varbinary, or varchar) to an expression of a different data type, the conversion operation could truncate the output data...
sum(columntofind) from users-- UNION ALL SELECT null SELECT name FROM syscolumns WHERE id =(SELECT id FROM sysobjects
The CAST() function takes a value of one type and produce a value of another type, similar to CONVERT(). See the description of CONVERT() for more information.
The CAST() function converts a value (of any type) into the specified datatype. Tip: See also the CONVERT() function.
As a result, they just used `NULL values to populate those columns.