Exam 9: Introduction to Linq and Generic Collections

The ________ extension method is typically used to determine whether a LINQ query's results are non-empty.

Visual C# requires you to write SQL to query data sources.

What method returns the number of items in LINQ query result q

Unlike arrays,lists do not resize automatically.

A let clause is used to create _______.

Elements can be added at any location within an array after it's created.

You can sort a LINQ query's results only by one property.

You can sort a LINQ query's results only by one property.

A List< T > can automatically resize itself to accommodate additional elements.

The international standard for querying relational databases is called:

Which of the following statements about LINQ is false

In a LINQ query,the where clause specifies          .

The Capacity property indicates the number of elements stored in the List< T >.

The ________ extension method indicates that only unique values should be included in a LINQ query's results.

You can sort a LINQ query's results only by one property.

LINQ is used to query collections in the same way it's used to query arrays.

If multiple properties are listed in the select clause,the results will be of type SelectedList.

A List< T > is similar to an array,but can also _________.

The ________ extension method is returns the number of results in a LINQ query.

The results of a LINQ query can have only the same type as the data being queried-for example,a LINQ query on a collection of Employee objects will always have Employee objects in the results.