Once a database is dropped, you can check it in the list of databases with the following SQL command: SHOW DATABASES; â® Previous Next ⯠DROPã³ãã³ããçºè¡ããã¨ãã®ç¾å¨ã®ãã¼ã¿ãã¼ã¹ã¯ä½ã§ããï¼ããã試ãã¦ï¼ use master go drop database mydb go ã¾ãããããããããã¼ã¿ãã¼ã¹ã«æ¥ç¶ããã®saã§ã¯ãªãdboãæ¥ç¶ãã¦ãããã¨ã確èªãã¦ãã ããã ã§ã³ ãã° ãã¡ã¤ã«ã®ãã¡ã¤ã«ãµã¤ãºãå§ç¸®ããæ¹æ³ã§ãã 2012.06.12 2019.12.10 SQL Server ã§ã³ããã¼ã«ããã¯ããããã«OKã§ã, ãã¼ã¿ãã¼ã¹ãåé¤ãã¦ãã¾ããã大ä¸å¤«ã ã¨æãã¾ãã. If the conversion code fails I want to delete/drop the database. A database is a collection of objects such as tables, views, stored procedures, triggers, functions, etc. Using the SQL Server DROP DATABASE statement to delete a database To remove an existing database from a SQL Server instance, you use the DROP DATABASE statement. A database can be dropped regardless of its state: offline, read-only, suspect, and so on. Following is the example query to delete or drop the existing database âsqltutorialexamplesâ in SQL server. ãSQL ServerãTransact-SQLã¨ã¯ï¼è§£èª¬ãã¾ã ãSQL Serverãç¹å®ã®ãã¼ãã«ã®ã¹ãã¼ãã¨ãã¼ã¿ãInsertæã§ã¨ã¯ã¹ãã¼ãããæ¹æ³ã解説ãã¾ã ä»ã¾ã§ããã°ã§æ¸ããSQL Serverã®è§£èª¬è¨äºã®ã¾ã¨ãã¯ããã¡ãããåèãã ããã -- SQL Server Syntax DROP DATABASE [ IF EXISTS ] { database_name | database_snapshot_name } [,...n ] [;] In this syntax, you specify columns that you want to drop as a list of comma-separated columns in the DROP COLUMN clause.SQL Server ALTER TABLE DROP COLUMN examplesLetâs create a new table named sales.price_lists for the demonstration. To display the current state of a database, use the sys.databases catalog view.A dropped database can be re-created only by restoring a backup. DBOnline ©2006-2019 Buzzword Inc.. All Rights Reserved. DROP DATABASE コマンドを使って作成済みのデータベースを削除する方法について解説します。, 作成済みのデータベースを削除するには DROP DATABASE コマンドを使用します。書式は次の通りです。, データベースを削除するにはコマンドを実行するロールがスーパーユーザーかデータベースの所有者である必要があります。またコマンドを実行しようとしているロールや他のロールが削除しようとするデータベースに接続している間は削除することができません。削除するデータベースとは別のデータベースに接続してから削除してください。(別のデータベースに接続する方法は「指定したデータベースへ接続する」を参照されてください)。, では実際に試して見ます。作成済みの mydb2 デーベースを削除します。次のように実行してください。, 先ほど削除した mydb2 がデータベース一覧に表示されなくなっていることが確認できます。, 接続しているデータベースを削除しようとした場合にどうなるのかを確認してみます。 mydb データベースへ接続してください。, mydb データベースへ接続している状態で mydb データベースを削除してみます。, 次のように ERROR: 現在オープンしているデータベースを削除できません とエラーが表示されてデータベースの削除に失敗しました。, DROP DATABASE コマンドを使ってデータベースを削除する方法について解説しました。, 初心者～中級者の方を対象としたプログラミング方法や開発環境の構築の解説を行うサイトの運営を行っています。. I am creating a SQL Server database programmatically during a conversion. By selecting â Delete backup and restore history information for databases â option you will be able to remove the database backup and restore history which is stored in MSDB system database. The DROP DATABASE statement allows you to delete one or more databases with the following syntax: DROP DATABASE [ IF EXISTS ] database_name [,database_name2,...]; Select the Check box âClose existing connectionsâ to Drop Existing Connections before Dropping the SQL Server Database and click OK to Drop Database in SQL Server. To drop a database using SQL Server Management Studio, connect to an SQL Server Database Engine instance from Object Explorer, and Expand the instance. 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