EdgeDB v1.0 Documentation
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DDL

来源 EdgeDB 项目组 浏览 2 扫码 打印 2026-09-15 10:46:25
    • Overview
    • Modules
    • Object Types
    • Scalar Types
    • Links
    • Properties
    • Aliases
    • Indexes
    • Constraints
    • Functions
    • Annotations
    • Migrations
    • Extensions
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    • 前言
    • Introduction
    • Guides
      • Overview
      • Quickstart
      • Installation
      • Using projects
      • Modeling relations
      • Using link properties
      • Migrations
        • Overview
        • Making a property required
        • Adding backlinks
        • Changing the type of a property
        • Changing a property to a link
      • Introspection
        • Overview
        • Object types
        • Scalar types
        • Collection types
        • Functions
        • Indexes
        • Constraints
        • Operators
        • Casts
      • Cheatsheets
        • Overview
        • Selecting data
        • Inserting data
        • Updating data
        • Deleting data
        • Working with booleans
        • Object types
        • Declaring functions
        • Declaring aliases
        • Declaring annotations
        • Using the CLI
        • Using the REPL
        • Administering an instance
      • Deploying EdgeDB
        • Overview
        • On AWS Aurora and ECS
        • On Azure Postgres FelxibleServer
        • On Fly.io
        • On Google Cloud Platform and Kubernetes
        • Docker
    • Schema
      • Overview
      • Terminology
      • Modules
      • Primitives
      • Object types
      • Properties
      • Links
      • Computeds
      • Indexes
      • Constraints
      • Aliases
      • Annotations
      • Functions
      • Inheritance
      • Extensions
      • vs SQL and ORMs
    • EdgeQL
      • Overview
      • Literals
      • Sets
      • Paths
      • Types
      • Parameters
      • Select
      • Insert
      • Update
      • Delete
      • With
      • For
      • Transactions
    • GraphQL
      • Overview
      • Basics
      • Mutations
      • Introspection
      • Protocol
      • Known limitations
      • Cheatsheet
    • Standard Library
      • Overview
      • Generic
      • String
      • Boolean
      • Numbers
      • JSON
      • UUID
      • Enum
      • Temporal
      • Bytes
      • Sequences
      • Array
      • Tuples
      • Base objects
      • Set
      • Type
      • Math
      • Abstract types
      • Constraints
      • System
      • Config
      • Deprecated
    • Client Libraries
      • Overview
      • Connection
      • Python
        • Overview
        • Installation
        • Basic Usage
        • AsyncIO API
        • Blocking API
        • Datatypes
      • TypeScript / JS
        • Overview
        • Driver
        • Generation
        • Expressions
        • Literals
        • Types
        • Functions and operators
        • Parameters
        • Objects and paths
        • Select
        • Insert
        • Update
        • Delete
        • With blocks
        • For loops
        • Reference
      • Go
        • Overview
        • API
        • Datatypes
      • EdgeQL over HTTP
        • Overview
        • Protocol
    • CLI
      • Overview
      • Connection flags
      • Network usage
      • edgedb
      • edgedb dump
      • edgedb restore
      • edgedb configure
      • edgedb migration
        • Overview
        • edgedb migration create
        • edgedb migration apply
        • edgedb migration log
        • edgedb migration status
      • edgedb migrate
      • edgedb database create
      • edgedb describe
        • Overview
        • edgedb describe object
        • edgedb describe schema
      • edgedb list
      • edgedb query
      • edgedb info
      • edgedb project
        • Overview
        • edgedb project init
        • edgedb project unlink
        • edgedb project info
        • edgedb project upgrade
      • edgedb instance
        • Overview
        • edgedb instance create
        • edgedb instance link
        • edgedb instance unlink
        • edgedb instance list
        • edgedb instance logs
        • edgedb instance status
        • edgedb instance start
        • edgedb instance stop
        • edgedb instance restart
        • edgedb instance destroy
        • edgedb instance revert
        • edgedb instance reset-password
        • edgedb instance upgrade
      • edgedb server
        • Overview
        • edgedb server info
        • edgedb server install
        • edgedb server list-versions
        • edgedb server uninstall
      • edgedb cli upgrade
    • Reference
      • Overview
      • EdgeQL
        • Overview
        • Lexical structure
        • Evaluation algorithm
        • Shapes
        • Paths
        • Casts
        • Function calls
        • Cardinality
        • Select
        • For
        • Insert
        • Update
        • Delete
        • With block
        • Start transaction
        • Commit
        • Rollback
        • Declare savepoint
        • Release savepoint
        • Rollback to savepoint
        • Set
        • Reset
        • Describe
      • SDL
        • Overview
        • Modules
        • Object Types
        • Scalar Types
        • Links
        • Properties
        • Expression Aliases
        • Indexes
        • Constraints
        • Functions
        • Annotations
        • Extensions
      • DDL
        • Overview
        • Modules
        • Object Types
        • Scalar Types
        • Links
        • Properties
        • Aliases
        • Indexes
        • Constraints
        • Functions
        • Annotations
        • Migrations
        • Extensions
      • Connection parameters
      • DSN specification
      • Observability
      • Dump file format
      • Backend high-availability
      • Server configuration
      • Developing EdgeDB
      • Binary protocol
        • Overview
        • Messages
        • Error codes
        • Type descriptors
        • Data wire formats
      • Administration
        • Overview
        • Configure
        • Database
        • Role
    • Changelog
      • Overview
      • 1.0 RC 5
      • 1.0 RC 4
      • 1.0 RC 3
      • 1.0 RC 2
      • 1.0 RC 1
      • 1.0 Beta 3
      • 1.0 Beta 2
      • 1.0 Beta 1
      • 1.0 Alpha 7
      • 1.0 Alpha 6
      • 1.0 Alpha 5
      • 1.0 Alpha 4
      • 1.0 Alpha 3
      • 1.0 Alpha 2
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