A composite primary key applies to more than one field. <span>A table can have only one primary key, which may consist of single or multiple fields.</span>
A composite primary key is selected from Design view. <span>In Design </span>view<span>, you can use the </span>Primary Key<span> button to assign or remove the </span>primary key<span> designation for the </span>selected<span> field or fields.</span>
B. The Grand Canyon
Got this of a Study Island test. Good Luck!
There are two standard colors for a text in a them
Answer:
Data at the following addresses will be as following:-
200 :- 34
201 :- 12
202 :- 78
203 :- 56
Explanation:
If there is 1 byte storage.
if the data is of 4 digits.Then we have to store it in 2 memory locations.
The first two digits will be stored at the higher byte address that is 201 and the last two digits will be stored at then lower byte address that is 200.
The case is same with the next data 5678.
At address 202 :- 78 will be stored and at address 203 :- 56 will be stored.
Answer:
Registry
Explanation:
Windows Registry is used to store the configuration and setting information for hardware and software program which is critical for Windows operation. The registries are structured in hierarchical database model.
Basically, hierarchical database model is akin to a tree format which consist of the parent nodes and their child nodes. For example, a node named as HKEY_LOCAL_MACHINE can possess child nodes HARDWARE, SOFTWARE AND SYSTEM.
The node in the tree is also termed as a key.
