I need help with a Oracle SQL query. I have two tables, with data similiar to the following: One 'student' table with a date that the student registered and one 'semester' table with semester start ...

Oracle9,一个字段UPD_DATE是DATE类型,用resultSetMetaData.getColumnType(1)取得91（也就是说是java.sql.Types.DATE），可是用rs.getObject(1)出来的Object用getClass().getName()得到的是java.sql.Timestamp。打出来也是2003-12-09 ...

For more information on these data types, see your Oracle Rdb documentation. LONG VARCHAR varying-length column for character string data, which has 16,383 characters. LONG VARCHAR is equivalent to ...