Lesson 7. Advanced Data Filtering
In this lesson, you’ll learn how to combine WHERE
clauses to create powerful and sophisticated search conditions. You’ll also learn how to use the NOT
and IN
operators.
Combining WHERE
Clauses
All the WHERE
clauses introduced in Lesson 6, “Filtering Data,” filter data using a single criteria. For a greater degree of filter control, T-SQL allows you to specify multiple WHERE
clauses. These clauses may be used in two ways: as AND
clauses or as OR
clauses.
Using the AND
Operator
To filter by more than one column, you use the AND
operator to ...
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