... 110 Java, Databases, and Data Types .110 Java to−JDBC Data Type Mappings .111 JDBC−to Java Data Type Mappings .114 Standard SQL data types ... The data type of the columns varies between databases However, SQL standards such as SQL−92 and SQL3 define data types that most databases support Some example data types include CHAR, NUMBER, and ... software developer, and trainer focusing on Java database and network programming His work has ranged from building and managing data warehouses to architecting enterprise Java server applications...