php mssql存储过程中的用到的预定义常量
php mssql存储过程中的用到的预定义常量，方便查询
SQLTEXT (integer) Indicates the 'TEXT' type in MSSQL, used by mssql_bind()'s type parameter. SQLVARCHAR (integer) Indicates the 'VARCHAR' type in MSSQL, used by mssql_bind()'s type parameter. SQLCHAR (integer) Indicates the 'CHAR' type in MSSQL, used by mssql_bind()'s type parameter. SQLINT1 (integer) Represents one byte, with a range of -128 to 127. SQLINT2 (integer) Represents two bytes, with a range of -32768 to 32767. SQLINT4 (integer) Represents four bytes, with a range of -2147483648 to 2147483647. SQLBIT (integer) Indicates the 'BIT' type in MSSQL, used by mssql_bind()'s type parameter. SQLFLT4 (integer) Represents an four byte float. SQLFLT8 (integer) Represents an eight byte float.