榜单
服务器优惠
AI论文
IT文库
-
Procedural type
Procedural type Procedural type A procedural type is internally a pointer to a procedure. nil is an allowed value for variables of a procedural type. Nim uses procedural types... -
Boolean type
Boolean type Boolean type The boolean type is named bool in Nim and can be one of the two pre-defined values true and false. Conditions in while, if, elif, when-statements nee... -
Type sections
Type sections Type sections Example: type # example demonstrating mutually recursive types Node = ref object # an object managed by the garbage collector (ref)... -
Media type
Media type Media type This class is designed to work with media types. Object references: Media type Available methods: [mediatype.create]($34eb3dbb4d5984f2.md "manu... -
String Type
String Type String Type For the user to load a file we’ll have to let them supply a string consisting of the file name. Our language supports symbols, but still doesn’t suppor... -
CREATE TYPE
CREATE TYPE 功能描述 注意事项 语法格式 参数说明 示例 相关链接 CREATE TYPE 功能描述 在当前数据库中定义一种新的数据类型。定义数据类型的用户将成为该数据类型的拥有者。类型只适用于行存表 有四种形式的CREATE TYPE，分别为：复合类型、基本类型、shell类型和枚举类型。 复合类型 复合类型由一... -
DROP TYPE
DROP TYPE Synopsis Description Parameters Examples Compatibility See Also DROP TYPE DROP TYPE — remove a data type Synopsis DROP TYPE [ IF EXISTS ] name [, ...]... -
CREATE TYPE
description: 版本：11 CREATE TYPE 語法 說明 Composite Types (複合型別) Enumerated Types (列舉型別) Range Types Base Types (基本型別) Array Types (陣列型別) Parameters Notes 範例 相容性 參閱 de... -
ALTER TYPE
ALTER TYPE Synopsis Description Parameters Examples Compatibility See Also ALTER TYPE Changes the definition of a data type. Synopsis ALTER TYPE <name> OWNER TO ... -
DROP TYPE
DROP TYPE 功能描述 语法格式 参数说明 示例 相关链接 DROP TYPE 功能描述 删除一个用户定义的数据类型。只有类型所有者才有删除权限。 语法格式 DROP TYPE [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ] 参数说明 ...