Oracle Schema Objects Oracle Data Types 数据类型 Data Type Description NUMBER(P,S) Number value having a maximum number of digits p, with a digits to the
Datetime函数可操作 date (DATE), timestamp (TIMESTAMP, TIMESTAMP WITH TIME ZONE, TIMESTAMP WITH LOCAL TIME ZONE) 及 interval (INTERVAL DAY TO SECOND, INTERVAL YEAR TO MONTH) 类型的值。 1. Datetime Functions Designed for the DATE Data Type Function Description ADD_MONTHS Returnsthe datedplusnmo...
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。
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 to two digits for the day of the month, MON is a three-character abbrev...
The following sections enumerate the EDM type facets for the preceding Oracle data types: EDM Type Facets for Bfile EDM Type Facets for Blob EDM Type Facets for Char EDM Type Facets for Clob EDM Type Facets for Date EDM Type Facets for Float ...
OracleDate構造は、データベースに格納されるか、またはデータベースから取得されるOracle DATEデータ型を表します。各OracleDateには、年、月、日、時、分、秒の情報が格納されます。クラスの継承System.ObjectSystem.ValueTypeOracle.DataAccess.Types.OracleDate宣言...
Converting to a Date in Oracle SQL Just like with the number and string types, there are two ways to convert to a date type. However, in Oracle, there are two main data types for storing dates: DATE – stores the day, month, and year, hour, minute, and second. ...
XML types Varrays Nested tables Columns that use REF The DATE Data Type Dates in SQL Server range from 1753 A.D. to 9999 A.D., whereas dates in Oracle range from 4712 B.C. to 4712 A.D. If a column of type DATE contains values that are out of range for SQL Server, select the...
ANYDATA has a set of static functions that allow you to create an ANYDATA type by explicitly casting an argument and returning it as an ANYDATA data type value: ConvertNumber(num IN NUMBER) ConvertDate(dat IN DATE) ConvertChar(c IN CHAR) ...