Ch. 8 Flashcards
________ is the process referred when you want to see only records meeting certain conditions.
Selection
_____ _______ is used to specify conditions that must be true for a record to be included in query results.
WHERE clause
_____ ___ ______ is used to specify the sorted order for displaying query results.
ORDER BY clause
_________ _______ ______ are used to indicate how a record should relate to a specific search value.
Mathematical comparison operators
A _______ identifies what must exist or a requirement that must be met for a record to be included in the results.
Condition
A _______ _______ indicates how data should relate to the search value, such as >.
Comparison Operator
The ____ operator is unique, in that its used with wildcard characters to search for patterns.
Like
_______ _______ are used to represent one or more alphanumeric characters.
Wildcard characters
The LIKE operator includes the _______ option for indicating when wildcard symbols should be used as literals rather than translated as wildcard characters.
ESCAPE
What is the order in which operators are resolved?
- Arithmetic operations
- Comparison operators (, =, LIKE)
- Logical operatoras [in this order (NOT, AND, OR)}
A ______ ______ means no value has been stored in that field.
NULL value
When sorting in ascending order, values are listed in what order?
- Bland and special characters
- Numeric values
- Character values (uppercase first)
- NULL values