Oracle CREATE TABLE VARCHAR default關於「Oracle create table datetime」標籤，搜尋引擎有相關的訊息討論：
4 Datetime Data Types and Time Zone Support - Oracle Help Centerdocs.oracle.com › server.112 › ch4datetime4 Datetime Datatypes and Time Zone Support - Oracle Help Centerdocs.oracle.com › server.101 › ch4datetHow To Check the Timestamp About Posted_Date ... - Oracle Supportsuppo