How many questions can you answer in SQL Server Interview? Take a quick Quiz to check it out Take a Quiz 4. What is the difference between WHERE clause and Having clause? 5. Write a query to select specific columns, say name and age, from a table called Employees. SELECT name, age...
SQL is a required skill since the Relational Database Management System (RDBMS) is the most often used company database. This blog on SQL Interview Questions and Answers is intended to help you through a variety of SQL questions based on topics such as MS SQL Server, MySQL, and others. Th...
Intermediate SQL JOINS Interview Questions 11. Distinguish between nested subquery, correlated subquery, and join operation. Subquery–Queries can be embedded in other queries. Therefore, an outer query is called the main query and the Internal queries are called subquery. Nested query–The inner qu...
A database, commonly known as the backend, is critical for any Enterprise Application. So it has to be regressed for functionality and performance. To access or manage a database, we need a Structured Query Language (SQL). It is a database programming language that gives us the means to ...
Top Sql Server Interview Questions and their answer with examples (Part 3) Hi friends, Here we will look into various Interview questions which are common and frequently asked in Interviews. Hope it benefits for freshers.
Python Interview QuestionsJava Interview QuestionsSQL Interview QuestionsML Interview QuestionsDA Interview Questions Top 100+ Machine Learning Interview Questions You Must Know in 2023 In recent years, Machine Learning Interview Questions for Freshers or Experienced have evolved to demand applicants to have...
The import command should be used with the –e and – query options to execute free form SQL queries. When using the –e and –query options with the import command the –target dir value must be specified. 9. Differentiate between Sqoop and distCP. DistCP utility can be used to transfer...
Use SELECT query instead of SELECT*: Use SELECT query to specify the columns you need instead of SELECT* to avoid unnecessary I/O operations that slow down the query. Avoid too many JOINs: Use the appropriate JOIN type for your SQL query to ensure you get the desired results and minimize...
100 must-know Kubernetes interview questions and answers in 2024 Hire Kubernetes developers I'm hiring developersI'm looking for jobs Last updated onDec 27, 2024 Share this Kubernetes, also known as K8s, is a container orchestration platform for managing containerized workloads and services. It al...
SQL, or Structured Query Language, is a standardized programming language used to manage and manipulate relational databases. It provides the syntax and commands necessary to perform various operations such as querying data, updating records, and managing database structures. ...