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GitHub7月

MS_SQL-Server/Creating Altering and Deleting Tables.sql at main ...

USE TestTempDB; --Creating Altering and Deleting Tables in SQL -- DDL (5 commands- create, alter, sp_rename, drop, truncate) -- DML (3 commands- Insert, Update, Delete). -- DQL/ DRL (1 command- select ...
Visual Studio Magazine7年

Tracking History in SQL Server 2016 and Azure SQL Database

SQL Server 2016 and Azure SQL Database both give you tables that automatically keep track of changes to your data. Here's how to both create those tables and alter existing tables so they track the ...
note6月

【データベース】SQL ServerにおいてのSQLの書き方など ...

※動作確認はしていないので悪しからず・・・ PRIMARY KEY(主キー) 一意性（UNIQUE） → 同じ値を持つレコードは存在できない NOT NULL 制約付き → NULL 値は許可されない 1つのテーブルに1つだけ設定可能（単一カラム or 複数カラムの組み合わせ） インデックスが自動作成される（検索パフォーマンス ...
GitHub8年

sql-docs/docs/relational-databases/server-management-objects-smo/tasks ...

[!INCLUDE SQL Server Azure SQL Database Azure SQL Managed Instance Synapse Analytics FabricSQLDB] In [!INCLUDEssNoVersion] Management Objects (SMO), tables are represented by the ...
Simon Fraser University8年

The SQL Procedure : ALTER TABLE Statement - Simon Fraser University

When you alter the attributes of a column and an index has been defined for that column, the values in the altered column continue to have the index defined for them. If you drop a column with the ...
Microsoft9年

Technical Overview: SQL Server 2016 Release Candidate 0

The SQL Server engineering team is pleased to announce the availability of SQL Server 2016 Release Candidate 0. This is an important milestone in the release of SQL Server 2016, as it marks feature ...