Examlex
The DROP TABLE command causes tables to be ________,________,and ________ from the database.
CPU Utilization
The percentage of time the central processing unit (CPU) spends executing instructions or processing data as opposed to being idle.
Task Manager
A Windows utility that shows programs currently running and permits you to exit nonresponsive programs when you click End Task.
Read/Write Head
The mechanism that retrieves (reads) and records (writes) the magnetic data to and from a data disk.
Access Time
The duration required to retrieve data from a storage device or memory.
Q14: The ALTER TABLE command is used to
Q18: The process of decomposing relations with anomalies
Q28: Data transformation is not an important part
Q38: Packaged data models are as flexible as
Q49: Completeness means that all data that must
Q50: In which data model would a code
Q58: Correlated subqueries are less efficient than queries
Q66: Java servlets:<br>A) are small programs that execute
Q74: The structure that contains descriptions of objects
Q95: The process of transforming data from a