Advanced SQL Interview Questions for Experienced 18. What is a function in SQL, and why do we use functions? A function is a database object that encapsulates a set of SQL statements that perform operations and return a specific result. To increase readability and reusability of code functions...
PostgreSQL DBA Interview Questions For Experienced Professionals 36. How can the first 5 records be selected in PostgreSQL? The LIMIT keyword can be used to select the first N records in PostgreSQL. Example: SELECT * FROM Employee ORDER BY Salary DESC LIMIT 5 Here, the Employee is the name...
Evidently, the demand for T SQL professionals is quite high and so is the competition. We assure you that once you go through this blog, you will get an idea of how to go about the interview. For making the entire process a whole lot easier, we have divided the questions into three c...
Interview Questions sql server experienced interview questions Hello All, I have been collecting interview questions from the people who given interviews at various organizations. Below are the list of questions. It includes, SQL DBA, MSBI, SQL Developer, SQL Server. 1 SSRS: 1. How to rend...
PostgreSQL Interview Questions Experienced: Q17) How do you handle performance issues in PostgreSQL? Poor database design, sluggish queries, or lack of hardware resources can all lead to PostgreSQL performance problems. Database performance can be examined to find slow queries, missing indexes, and ...
Read these latestSQL Interview Questions and Answers for Experiencedthat help you grab high-paying jobs PlSQL Developer Interview Questions 21) What is the difference between Entity, Attribute, and Tuple? Entity: A significant thing about which some information is required.For exp:EMPLOYEE (table)....
System Design Interview Questions for Experienced 1. Design Uber, Ola or Lyft type of systems. These platforms help user request rides and the driver picks them up from the location and drop them at the destination selected by the user. What are some of the required features? Real-time servi...
IBM DB2 Interview Questions for Experienced 41Q) How is a typical DB2 batch program executed? Ans:There are two methods of executing a DB2 - batch program Use DSN utility to run a DB2 batch program from native TSO. An example is shown:DSN SYSTEM(DSP3)RUN PROGRAM(EDD 47/0BD) PLAN(EDD...
Basic & Advanced SQL Server Interview Questions And Answers Let’s start with common SQL Interview Questions first. 1. What is a Database? A database is a collection of information in an organized form for faster and better access, storage, and manipulation. It can also be defined as a co...
- SQL module Q2. Which are the fundamental types of Joins used in Oracle to write subqueries? This is one of the most common Oracle interview questions for experienced professionals. The main types of Joins that are used to write subqueries in the Oracle database are: - Self Join - Equi ...