When you use the 'State' field in a query across multiple projects, the displayed values are limited to those defined in the default project. This means that if you're querying across projects, you might not see all possible state values from each project, but only those from the project ...
Start a new query from the Queries tab in the web portal or the Work Items tab in Team Explorer. Browser Visual Studio Select New > New query. The Query Editor displays with the following default settings: Flat list of work items, Work Item Type=[Any], and State=[Any]. Modify the ...
and the query optimization knowledge. An implementation method is a sequence ofaccess routinecalls. Access routines are defined by the database administrator (DBA), and each of them encodes the detailed knowledge to access a single physical structure (e.g., a file). The query interface of the...
- Primary doesn't allow NULL values whereas unique key can allow one NULL value. Define Primary key and foreign key. - Primary Key:Primary key is used for unique identification of each row in a table. Unique and not null values only are accepted to persist in primary key. - Foreign Key...