Postgres DDL
而限制無空值等效於以CHECK 建立一個限制條件式為(IS NOT NULL),但在PostgreSQL 明確使用NOT NULL 語法的話,處理會更快速。只是它的缺點是你無法給予 ... ,A table in a relational database is much like a table on paper: It consists of rows and columns. The number and order of the columns is fixed, and each column ... ,This chapter covers how one creates the database structures that will hold one's data. In a relational database, the raw data is stored in tables, so the majority of ... ,This chapter covers how one creates the database structures that will hold one's data. In a relational database, the raw data is stored in tables, so the majority of ... ,This chapter covers how one creates the database structures that will hold one's data. In a relational database, the raw data is stored in tables, so the majority of ... ,This documentation is for an unsupported version of PostgreSQL. You may want to view the same page for the current version, or one of the supported versions ... , postgresql DDL审计 ... postgres=# create database db1 ; postgres=# -c db1 ; db1=# create extension hstore; db1=# create or replace function ..., PostgreSQL中如何獲取物件的DDL語句. ... postgres=# create table t1(id int,name varchar(30)); CREATE TABLE postgres=# insert into t1(id ..., PostgreSQL一个事务中可以包含DML, DDL, DCL.除了以下语句:create tablespacecreate database使用concurrently并行创建索引其他未尽情况 ..., 1 Transactional DDL; 2 PostgreSQL; 3 MySQL; 4 Oracle; 5 SQL Server; 6 Sybase Adaptive Server; 7 DB2 UDB; 8 Informix; 9 Firebird (Interbase) ...
相關軟體 PostgreSQL 資訊 | |
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PostgreSQL 是一個跨平台的對象關係型數據庫管理系統,自 1995 年首次發布以來,已經成長為國際知名的解決方案,可幫助管理員輕鬆創建,組織,管理和部署各種形狀和大小的項目數據庫。這當然包括對運行 SQL 查詢,觸發管理,屬性管理以及其他企業級數據庫管理系統當前正在使用的所有功能的全面控制。為使日常管理多個作業和項目組件的管理員更容易訪問,PostgreSQL 符合大多數 SQL 2008... PostgreSQL 軟體介紹
Postgres DDL 相關參考資料
5.4. 限制條件- PostgreSQL 正體中文使用手冊
而限制無空值等效於以CHECK 建立一個限制條件式為(IS NOT NULL),但在PostgreSQL 明確使用NOT NULL 語法的話,處理會更快速。只是它的缺點是你無法給予 ... https://docs.postgresql.tw Documentation: 10: 5.1. Table Basics - PostgreSQL
A table in a relational database is much like a table on paper: It consists of rows and columns. The number and order of the columns is fixed, and each column ... https://www.postgresql.org Documentation: 11: Chapter 5. Data Definition - PostgreSQL
This chapter covers how one creates the database structures that will hold one's data. In a relational database, the raw data is stored in tables, so the majority of ... https://www.postgresql.org Documentation: 12: Chapter 5. Data Definition - PostgreSQL
This chapter covers how one creates the database structures that will hold one's data. In a relational database, the raw data is stored in tables, so the majority of ... https://www.postgresql.org Documentation: 8.0: Data Definition - PostgreSQL
This chapter covers how one creates the database structures that will hold one's data. In a relational database, the raw data is stored in tables, so the majority of ... https://www.postgresql.org Documentation: 8.4: Data Definition - PostgreSQL
This documentation is for an unsupported version of PostgreSQL. You may want to view the same page for the current version, or one of the supported versions ... https://www.postgresql.org postgresql DDL审计- 云+社区- 腾讯云
postgresql DDL审计 ... postgres=# create database db1 ; postgres=# -c db1 ; db1=# create extension hstore; db1=# create or replace function ... https://cloud.tencent.com PostgreSQL中如何獲取物件的DDL語句_Buddy Yuan ...
PostgreSQL中如何獲取物件的DDL語句. ... postgres=# create table t1(id int,name varchar(30)); CREATE TABLE postgres=# insert into t1(id ... https://www.jishuwen.com PostgreSQL事务可以包含DML、DDL、DCL_数据库_ ... - CSDN
PostgreSQL一个事务中可以包含DML, DDL, DCL.除了以下语句:create tablespacecreate database使用concurrently并行创建索引其他未尽情况 ... https://blog.csdn.net Transactional DDL in PostgreSQL: A Competitive Analysis ...
1 Transactional DDL; 2 PostgreSQL; 3 MySQL; 4 Oracle; 5 SQL Server; 6 Sybase Adaptive Server; 7 DB2 UDB; 8 Informix; 9 Firebird (Interbase) ... https://wiki.postgresql.org |