In arrays that might have multiple occurrences of values, such as an array of last names in a parallel array, a search normally lists all matches, along with values from other parallel arrays.

Answer the following statement true (T) or false (F)


True

Computer Science & Information Technology

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Answer the following statements true (T) or false (F)

1. In relational structures, a file is called a relation, a record is usually referred to as a tuple, and the attribute value set is called a domain. 2. A many-to-many relationship may be implemented using three tables. 3. Each separate data entity should create its own master database table. 4. An update anomaly occurs when the entire primary key is not known and the database cannot insert a new record. 5. An insert anomaly results when a change to one attribute value either causes the database to contain inconsistent data or causes multiple records to need changing. 6. Entity integrity constraints are rules that govern the composition of primary keys. 7. Referential integrity governs the nature of records in a one-to-many relationship.

Computer Science & Information Technology

When a user runs a program, processes are created and inserted into the ________ list.

a) running b) ready c) blocked d) dispatched

Computer Science & Information Technology

Match the following terms to their meanings:

I. Unbound control II. Expression III. Line control IV. Text box control V. Calculated control A. Descriptive data and does not require a label control B. A label control (a string of characters as a description) on a report C. A control whose source of data is an expression, rather than a field D. Places a line on the design of a report E. Begins with an equals sign (=)

Computer Science & Information Technology

Suppose a manager wishes to analyze historical trends in sales. He would use the online transaction processing (OLTP) system.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology