SQL Query Concepts and ANSI SQL Constructs MCQs
1. Which type of join is used to combine rows from two or more tables based on a related column between them? A) Equi-joinB) Non-equijoinC) … Read more
Linux PYQ
SQL DML MCQS
1. Which SQL statement is used to add new records to a table? a) SELECTb) INSERTc) UPDATEd) DELETE Answer: b) INSERT Explanation: The INSERT statement … Read more
Database Models and Implementation MCQs
1. Which data model organizes data into a tree-like structure with one-to-many relationships? a) Relational Data Modelb) Hierarchical Modelc) Network Data Modeld) Object-Oriented Model Answer: … Read more
Database Management System Concepts MCQs
1. What is the primary purpose of a Database Management System (DBMS)?A) To create complex spreadsheetsB) To organize and manage data efficientlyC) To design websitesD) … Read more
Explain users type in Linux and their role ?
In Previous Years Questions In Linux, user accounts are essential for managing access to system resources and maintaining security. There are three main types of … Read more
Explain various filter commands of Linux.
In Previous Years Questions Some of the most common filter commands in Linux: 1. cat 2. cut 3. wc 4. sort 5. tee 6. tr … Read more
Explain redirection in Linux ?
In Linux, redirection allows you to alter the default behavior of commands by changing where they get their input and send their output. This is … Read more
Explain use of following commands with example.
1. path Example: This output shows that the shell will search for programs in the following directories: If you type a program name at the … Read more
Write features of some shells (any three) of Linux.
In Previous Years Questions Features of Three Popular Linux Shells: 1. Bash (Bourne-Again Shell): 2. Zsh (Z shell): 3. Fish (Friendly Interactive Shell): Comparison of … Read more