Java类型与Hibernate类型 : Hibernate数据类型 « Hibernate






/*

Chapter 4 - Database Connecting and Schema Generation

Professional Hibernate

by Eric Pugh and Joseph D. Gradecki 

Wrox Press 2004

*/





Java Class Attribute Type         Hibernate Type               Possible SQL Type-Vendor Specific



Integer, int, long short          integer, long, short         Appropriate SQL type



char                              character                    char



java.math.BigDecimal              big_decimal                  NUMERIC, NUMBER



float, double                     float, double                float, double



java.lang.Boolean, boolean        boolean, yes_no,             boolean, int

                                  true_false

  

java.lang.string                  string                       varchar, varchar2



Very long strings                 text                         CLOB, TEXT



java.util.Date                    date, time, timestamp        DATE, TIME, TIMESTAMP



java.util.Calendar                calendar, calendar_date      TIMESTAMP, DATE



java.util.Locale                  locale                       varchar,varchar2



java.util.TimeZone                timezone                     varchar, varchar2



java.util Currency                Currency                     varchar, varchar2



java.sql.Clob                     clob                         CLOB



java.sql.Blob                     blob                         BLOB



Java object                       serializable                 binary field



byte array                        binary                       binary field



java.lang.Class                   class                        varchar, varchar2
Java类型与Hibernate类型 : Hibernate数据类型 « Hibernate « Java
