Answer:
"Option b and Option d" is the correct option for this question.
Explanation:
In the database, datatype belongs to the information storage medium, which can hold a specific type of value. There are several data types, which is used in database like integer, character, series, floating-point and array numbers, and the rules, that give levels of security to information are known as a security constraints. It may be either developed as rules on integrity, mathematical formalism rules or schematic rules, and other choices were wrong which can be described as follows:
- In option a, The asserts, which is in any exchange in a database, should only modify the information, that is effected in acceptable ways is called consistency, that's why it is wrong.
- In option c, The validity and accuracy of the data in the database can not be ensured, that's why it is wrong.
It refers to the physical elements of the internet
Answer: HTTP GET
Explanation: There are many HTTP(Hypertext Transfer protocol) requests sent to the server from the client .The page that gets request while the hyperlink page is clicked by the client, opens a HTTP GET page that belongs to the Internet protocol's(IP)suite by server. It is a process for the revival of the data from a particular server. The data does not get effected during the process of the retrieval.
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