Select char_length(cast('123456789 1' as varchar(10))) from rdb$database. Получаем: Exception ... string truncation Т.е. пробел мы обрезать можем, а другие символы нет. Так и должно быть или нет?
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Ref: 999999.9' union all select 99,2 and '0'='0. MySQL does allow using ORDER BY in the queries merged with UNION or UNION ALL. To do this, we just need to wrap each query into a set of parentheses: ( SELECT value1 AS value FROM grouping GROUP BY.
select cast (2000 as type of quint) from rdb$database select cast (2000 as int) from rdb$database. If TYPE OF is used with a (VAR)CHAR type, its character.
Best Result For : 999999.9 uNiOn aLl sElEcT cAsT 0x393133353134353632312e39 as char.
Since you're casting from a larger integer type to a smaller one, it takes the least significant part regardless of endianness. If you were casting pointers instead, though, it would take the byte at the address, which would depend on endianness. So c = (char)i assigns the least-significant byte to c, but...
When the CAST or CONVERT functions output a character string, and they receive a character string input, the output has the same collation and collation label as the input.
The CAST() function converts a value (of any type) into the specified datatype. Tip: See also the CONVERT() function.