It lists the SQL types that each DBMS data type would map to. For example, a CHAR data type under DB2 would map to an ODBC data type of SQL_CHAR. There are no unsupported data types.

SQL is a widely-used programming language ... contained in "item_quantity" into an eight-character data item. Instead of the CHAR data type, you can use VARCHAR for variable-length character ...

Oracle's namesake database management system has a data type ... commands:SQL> Type a "Connect" command to establish a connection to an Oracle database, using the following example as a guide ...