A（）is a named momory block . By using its name, we can refer to the data stored in the memory block.
A: word
B: record
C: program
D: variable
A: word
B: record
C: program
D: variable
举一反三
- manual block A: block controlled manually by a person known as a block operator. B: a fixed signal that lets engineers know if a train can enter a block.
- If you make a change to the information recorded in a particular block, what will happen? ( ) A: You will rewrite it. B: The change will be stored in a new block. C: A database will be updated. D: The administrator can change the database.
- Identify two situations in which the block header grows in a data block. （） A: when row directories need more row entries B: when there is row migration in the data block C: when there is an increase in the PCTFREE value for the data block D: when more transaction slots are required than are initially configured
- Identify two situations in which the block header grows in a data block. （） A: Awhen row directories need more row entries B: Bwhen there is row migration in the data block C: Cwhen there is an increase in the PCTFREE value for the data block D: Dwhen more transaction slots are required than are initially configured
- The processor manipulates data stored in main memory under the control of a (71) stored in main memory. A: command B: program C: operation D: code