When the increment or decrement operator is placed before the operand (or to the operand's left), the operator is being used in prefix mode. Postfix mode on the other hand is when the increment or decrement operator is placed after the operand (or to the oper and's right) .
Hi, I provided you a general guide on how to go about your writing your research paper.
<u>Explanation:</u>
Note, the current APA (American Psychological Association) format is the <em>APA 7th Edition. </em>This format details how a researcher should state the findings, sources, conclusion, etc.
Hence, you can begin writing the assigned paper only after gathering the needed data.
Answer:
Purposes of Data Layer, in the Layered model for web applications are as following:-
1. The data Layer,is the third layer and it takes care of the all the operations concerning the database level.
2. This data layer gets a command from the application layer to send a query to the database and will process this command according to the type of database that is used.
3. It will ensure that the correct connections to the database are set.
4. It is represented by the Database.