If you get an error telling you that the “The multi-part identifier could not be bound.”, it usually means that you’re prefixing one or more columns with either a table that isn’t included in your query, or an alias that you haven’t actually assigned to a table.
Fortunately, the error message shows you which multi-part identifier is causing the problem.
Continue readingIf you use Azure Data Studio for your database admin tasks, you might be wondering how you can view the execution plan for your queries?
Fortunately, this is easy!
You have the option of viewing:
In SQL Server, you can use the sysmail_help_profileaccount_sp stored procedure on the msdb database to retrieve a list of all associations between accounts and Database Mail profiles.
You can also return account info based on the account name/ID or the profile name/ID.
Continue readingIn SQL Server, you can use the sysmail_help_profile_sp stored procedure on the msdb database to retrieve a list of all Database Mail profiles.
You can also return profile info based on the profile name or ID.
Continue readingIn SQL Server, you can use the sysmail_help_principalprofile_sp stored procedure on the msdb database to retrieve a list of all associations between Database Mail accounts and database principals.
You can also return account info based on the principal name/ID or the profile name/ID.
Continue readingIn SQL Server, you can use the sysmail_help_account_sp stored procedure on the msdb database to retrieve a list of all Database Mail accounts.
You can also return account info based on its account name or ID.
Continue readingYou might be familiar with the ALL option in SQL Server. Perhaps you’ve used it along with the UNION operator to include any duplicates that might be returned in the result set.
But did you know that ALL can also be used in two other contexts?
ALL can be used in the following three contexts:
SELECT clause.UNION clause.Examples of each of these contexts follows.
Continue readingIn SQL Server, the ALL operator can be used with a subquery to compare a scalar value with a single-column set of values returned by the subquery.
It’s also true that the SELECT clause and UNION operator both accept an ALL argument, although this usage has a different purpose (allows duplicates in the result set).
Below are examples of using the ALL operator with a subquery.
In SQL Server, the ANSI_NULLS setting allows you to specify how NULL values are treated in queries.
More specifically, it allows you to specify ISO compliant behaviour of the Equal To (=) and Not Equal To (<>) comparison operators when they are used with NULL values.
SQL Server has an ANSI_NULLS setting that determines how NULL values are evaluated when compared to another value with the Equals (=) and Not Equal To (<>) comparison operators.
While it’s true that you can change the ANSI_NULLS setting at the session level (using SET ANSI_NULLS), each database also has its own ANSI_NULLS setting.
You can check your database to see whether its ANSI_NULLS setting is ON or OFF.
To do this with T-SQL, you can either use the sys.databases catalog view or the DATABASEPROPERTYEX() function.