DATE Date and time values LONG Variable-length character data(up to 2G);Oracle推荐不使用此数据类型,推荐使用CLOB、BLOB CLOB Character data(up to 4GB) RAW and LONG RAW Raw binary data BLOB Binary data(up to 4GB) BFILE Binary data stored in an external file(up to 4GB) ROWID A base-64 n...
Oracle's Timestamp data types enhance the Date data type by including fractional seconds and time zone information. It's range is from January 1, 4712 BC to December 31, 9999 AD. Timestamps come in three different flavors: TIMESTAMP TIMESTAMP WITH TIME ZONE TIMESTAMP WITH LOCAL TIME ZONE ...
Oracle Data Types(数据类型) 对于有些官方不建议使用的数据类型(如LONG,LONG RAW等)此处不在说明。
说明: alter system 修改后只是将该参数写到postgresql.auto.conf文件里,故需要重启才可以生效。 方法2:手动配置到postgresql.conf里,修改后重启数据库生效。 说明: 由于postgresql.auto.conf文件里的内容,在执行alter system reset all;会全部清除,故若需要手动配置,最好不要放在postgresql.auto.conf里。 internal 级...
SQL>create index i_time_global onPDBA(id)global--索引引导列2partition byrange(time)--分区建3(partition p1 values lessthan(TO_DATE(‘2010-12-1’,‘YYYY-MM-DD’)),4partition p2 values lessthan(maxvalue)5);partition byrange(time)* ...
Oracle Database 11g added support for the number datatype SIMPLE_INTEGER. Date Datatype As with the NUMERIC datatype, Oracle stores all dates and times in a standard internal format. The standard Oracle date format for input takes the form of DD-MON-YY HH:MI:SS, where DD represents up ...
Oracle date/time types In Oracle, thedateformat and thetime zonefeatures include multiple data types, including:DATE,TIMESTAMP,TIMESTAMP WITH TIME ZONEandTIMESTAMP WITH LOCAL TIME ZONE. TheTIMESTAMPdata type is an extension of theDATEtype. ...
User-Defined Types 不支持 不支持 不支持 AnyType 不支持 不支持 不支持 AnyData 不支持 不支持 不支持 AnyDataSet 不支持 不支持 不支持 XmlType 不支持 不支持 不支持 Spatial Types 不支持 不支持 不支持 Media Types 不支持 不支持 不支持 Oracle Reader针对Oracle类型的转换列表,如下所示。 类型分类 ...
을 설정하면 데이터베이스에서 읽어올 때 SQL DATE가 Timestamp 로 매핑될 뿐만 아니라 데이터베이스에 기록할 때 모든 가 SQL DATE로 변환됩니다. 8i는 지원되지 않으므로 11.1 JDBC 드라이버...
The default territory also establishes the default date format, the default decimal character and group separator, and the default International Standardization Organization (ISO) and local currency symbols. For example, in the United Kingdom, the default date format is DD-MON-YYYY, where DD is ...