server 2008 product key

called "cascade" or "cascade". It is estimated that it is a translation error. 2. In vs2005, create a foreign key constraint in the graph. The "Default insert and update specifications" are "no operation ". That is to say, if you update or delete it, it will report an error. 3. solution: A. It is easy to delete, and cascade deletion is enough. But you have to consider it carefully during update. B. You can simply remove the foreign

female. Close and save the design.To this, five kinds of constraints in the database are reviewed again, constraints ensure the integrity of the data in the database, but only the constraints are far from enough.Report:When a user changes the table structure in SQL Server 2008, you must delete the original table and recreate the new table to complete the table changes, and if you forcibly change the follow

are placed at appropriate locations to differentiate these Member tables, which prevents data replication across partitioned views. If the columns used in the CHECK constraint are also part of the primary key, the view is updatable. If the member table is in its own file group, if the files in these file groups are located on different physical drives, you will get better disk performance. These tables can even be located in different databases. Howe

The logical design of databases is a wide range of issues. This article focuses on the primary key design issues and corresponding solutions when designing tables on ms SQL Server during application development. Primary Key design status quo and problems The primary key design of database tables is generally based on b

Article Title: two key points of Apache server configuration in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. The Apahce Server is a stable, commercial, and open-source HTTP serve