Orange Egypt Interview Questions and Answers

Q1. How to join tables in SQL
Ans. 
Joining tables in SQL allows you to combine data from two or more tables into a single result set.
• Use the JOIN keyword followed by the name of the table you want to join

• Specify the columns you want to retrieve from each table

• Use the ON keyword to specify the join condition

• There are different types of joins: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN

• Example: SELECT * FROM table1 JOIN table2 ON table1.id = table2
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Q2. How to run file on a servier
Ans. 
To run a file on a server, use the command line interface and specify the file path.
• Access the server through SSH or remote desktop

• Navigate to the directory where the file is located

• Use the command 'chmod +x filename' to make the file executable

• Run the file using the command './filename'
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