Production Support Associate
Production Support Associate Interview Questions and Answers
Q1. Commands of linux
Linux commands are used to interact with the operating system and perform various tasks.
ls - list directory contents
cd - change directory
pwd - print working directory
mkdir - make a new directory
rm - remove files or directories
cp - copy files or directories
mv - move files or directories
grep - search for patterns in files
chmod - change file permissions
sudo - execute a command as the superuser
Q2. Explain SQL joins
SQL joins are used to combine rows from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables in a single query
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
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