New Way to Copy Files in SQL Server 2019

Two new stored procedures introduced in SQL Server 2019 are sys.xp_copy_file and sys.xp_copy_files, which enable you to copy files.

Prior to SQL Server 2019, you would need to use xp_cmdshell, which spawns a Windows command shell and passes in a string for execution. The new stored procedures introduced in SQL Server 2019 allow you to copy files without relying on xp_cmdshell.

Read more

How DB_NAME() Works in SQL Server

In SQL Server, you can use the DB_NAME() function to return the name of the current database, or another specified database.

The way it works is, you pass the ID of the database as an argument, and then the function will return the name of that database. However, if you don’t pass an ID it will return the name of the current database.

Read more

How to Use OBJECT_ID() on Cross-Database Objects in SQL Server

One difference between OBJECT_ID() and OBJECT_NAME() in SQL Server is the syntax used for cross-database queries. By this I mean, when they’re used on objects in a different database.

The OBJECT_NAME() function has an optional argument that you can provide, which specifies the database ID of the database that contains the object you’re trying to get the name of. Providing this argument enables you to get the name of an object on a different database.

The OBJECT_ID() function on the other hand, doesn’t require such an argument. Instead, this function allows you to use a 3-part name to specify the database, schema, and name of the object that you’re trying to get the ID of.

This article contains examples of using OBJECT_ID() to get the name of an object from a different database.

Read more