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question2.txt

+What is SQL and how is it used for?
+
+SQL (Structured Query Language) is a  programming language used to 
+manage databases. It is used for querying, updating, 
+inserting, and deleting data in databases.
+
+How to build the connection between the physical and logical name of a file?
+
+Think of the logical name as the file's address 
+(like C:\Users\Jordan\Documents\file.txt). 
+The operating system acts like a librarian, 
+translating this address into the exact spot 
+on the hard drive where the file is stored. 
+This way, you can find and use files easily 
+without knowing their exact physical location.
+we use file handling functions like fopen(), fclose(), and pointers to build connections. 
+
+
+What are the functions OPEN() and CLOSE() and what are they used for?
+
+OPEN(): This function opens the file so you can read from it or write to it. 
+It is used to gain access to the file's contents for various operations 
+like reading data, writing data, or updating the file.
+
+CLOSE(): This function closes the file after you're done using it, 
+ensuring that all changes are saved and no data is lost. It is used to safely
+ terminate the access to the file, making sure that the file is properly saved
+  and no further operations can be performed on it until it is opened again.