Answer the following statements true (T) or false (F)
1. Typecasting is used to convert a value to a different data type.
2. The Trim method is used to remove all blank space before and after a string.
3. The Substring method is used to extract a portion of a string.
4. The empty string is the same as a string that contains one space.
5. A variable declared inside an event procedure is said to have local scope.
1. True
2. True
3. True
4. False
5. True
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A ________ is a column (or set of columns) which have a unique value that cannot be duplicated in other rows?
a. primary key. b. query. c. SQL statement. d. lookup value.
Computer owners frequently upgrade their computer's processor.
Answer the following statement true (T) or false (F)
____ is the process of creating a new, derived class from a base class.
A. Accessibility B. Encapsulation C. Inheritance D. Polymorphism
A database table's physical sort order is the order in which records are arranged on storage devices.
Answer the following statement true (T) or false (F)