Accenture Application Support Engineer Interview Questions and Answers for Experienced

SQL is a database language used to manage data. Unix is an operating system used for servers and workstations.

• SQL is used to create, modify, and query databases.

• Unix is a command-line interface used for file management, process control, and networking.

• SQL can be used with various database management systems like MySQL, Oracle, and SQL Server.

• Unix commands include ls, cd, grep, and chmod.

• SQL and Unix are commonly used i

Commonly used Unix commands

• ls - list directory contents

• cd - change directory

• mkdir - make directory

• rm - remove files or directories

• cp - copy files or directories

• mv - move or rename files or directories

• grep - search for patterns in files

• cat - concatenate and display files

• chmod - change file permissions

• ssh - secure shell remote login

I will investigate the root cause of the slow performance and take appropriate actions.

• Check server resources usage

• Analyze application logs

• Identify bottleneck areas

• Optimize database queries

• Implement caching mechanisms

• Upgrade hardware or software if necessary

Common SQL commands for data manipulation and retrieval

• SELECT - retrieve data from a table

• INSERT - insert data into a table

• UPDATE - update existing data in a table

• DELETE - delete data from a table

• CREATE - create a new table or database

• ALTER - modify the structure of a table

• DROP - delete a table or database

• JOIN - combine data from multiple tables

• GROUP BY - group data based on a specific column

• ORDER BY - sort data based