oracle数据类型

orcle数据库官方文档地址：

https://docs.oracle.com/cd/E11882_01/server.112/e41084/sql_elements001.htm#SQLRF0021

本文只记录oracle内置数据类型【内容从官方文档获取】：

Oracle_built_in_datatypes::=

character_datatypes::=

https://docs.oracle.com/cd/E11882_01/server.112/e41084/img_text/character_datatypes.htm

number_datatypes::=

https://docs.oracle.com/cd/E11882_01/server.112/e41084/img_text/number_datatypes.htm

long_and_raw_datatypes::=

https://docs.oracle.com/cd/E11882_01/server.112/e41084/img_text/long_and_raw_datatypes.htm

datetime_datatypes::=

https://docs.oracle.com/cd/E11882_01/server.112/e41084/img_text/datetime_datatypes.htm

large_object_datatypes::=

https://docs.oracle.com/cd/E11882_01/server.112/e41084/img_text/large_object_datatypes.htm

rowid_datatypes::=

https://docs.oracle.com/cd/E11882_01/server.112/e41084/img_text/rowid_datatypes.htm