DataType这个是数据类型,应该是自定义类型,你可以定义成任何一种你需要的类型,可以直接在这改了,也可以在前面加上teypedef 系统类型(如int) DataType;这就是自定义类型
DateFormula Data Type DateTime Data Type Duration Data Type Time Data Type Date and Time Functions DateTime Functions Debugger Decimal Data Type Dialog Data Type FieldRef Data Type File Data Type FilterPageBuilder Data Type GUID Data Type InStream and OutStream Data Types Integer Data Type KeyRef...
The DATE data type stores date and time information. Although date and time information can be represented in both character and number data types, the DATE data type has special associated properties. For each DATE value, Oracle stores the following information: year, month, day, hour, minute,...
You can also convert a Date/Time to Date/Time Extended data type in Table Design view. Use of this data type as a primary key field is also supported. For more information, see Create a table and add fields. Entering the date and time Entering date and time values is similar...
Oracle DATE 数据类型包含日期和时间信息(在 Oracle 中没有 TIME 数据类型)。当您导入具有 DATE 数据类型的 Oracle 元数据时,缺省情况下,Oracle OCI 阶段会将 Oracle DATE 数据类型映射到 Timestamp 数据类型。 读取或写入 Oracle 日期时,InfoSphere® DataStage®使用YYYY-MM-DD HH24:MI:SS转换。...
As of MySQL 8.0.19, theYEAR(4)data type with an explicit display width is deprecated; you should expect support for it to be removed in a future version of MySQL. Instead, useYEARwithout a display width, which has the same meaning. ...
However, SQL Server might interpret a date value in a string literal format, input by an application or user for storage or to a date function, as different dates. The interpretation depends on the combination of string literal format, data type, and runtime SET DATEFORMAT, SET LANGUAGE and...
Datatype specific settings You can configure default values for the following properties of Task Date variables. Use business calendar: Select to use the business calendar for date calculations. Days: Specify the number of days in the Task Date value. Hours: Specify the number of hours...
Date Data Type The date data type is used to specify a date. The date is specified in the following form "YYYY-MM-DD" where: YYYY indicates the year MM indicates the month DD indicates the day Note:All components are required!
Data Type Date Entry Type Entered Best Uses Add the Proposed Finish Date field to a proposal when you want to include the estimated project end date. This can provide useful information for the Portfolio Analysis process. Example You are proposing a project to develop a Web...