Chapter 8. Using Operators to Categorize Data
Operators are used in conjunction with the
SELECT command to place extended criteria on data that is returned by a query. Various operators are available to the SQL user that support all data querying needs.
The highlights of this hour include:
What is an operator?
An overview of operators in SQL
How are operators used singularly?
How are operators used in combinations?
What Is an Operator in SQL?
An operator is a reserved word or a character used primarily in a SQL statement’s
WHERE clause to perform operation(s), such as comparisons and arithmetic operations. Operators are used to specify conditions in a SQL statement and to serve as conjunctions for multiple conditions in a statement.
The operators discussed ...