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...
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...
MariaDB, MS SQL, and PostgreSQL databases. It supports database management with a complete data synchronization option and a query generating function. HeidiSQL is a valuable and dependable tool for web developers. It allows you to browse and update data, as well as build and edit tables...
10. What does ALIAS mean in SQL? It is used inside a SQL query to rename a table. Renaming is a procedure that changes the name of a table temporarily without altering the table's real name in the database. It is applicable to both tables and fields. The basic syntax of a table al...
Summary – Top 50 Tricky SQL Queries for Interview The SQL queries provided here should work on popular databases like MySQL, SQL Server, and Oracle with only minor adjustments. These queries use common SQL commands like SELECT, FROM, WHERE, and others that are widely supported. Still, here ...
Q20. What are the steps required to execute a query in JDBC? AnswerReviewed and verified by Best Interview Question Best Interview Question With our 10+ experience in PHP, MySQL, React, Python & more our technical consulting firm has received the privilege of working with top projects, 100...
Hi guys, in this article we will look into some SQL Server queries which you should prepare before going to your interview. Basically while going to C#, ASP .Net interview SQL Server interview is common. So be prepare for SQL server queries. ...
Prepare for your next interview with the top 40 MySQL questions and answers for beginners and experienced professionals in 2024 boosting your success.
MySQL Interview Questions For Experienced 16) What is the difference between SQL and MySQL? Generally speaking, SQL is the query language of choice. It functions similarly to MySQL as a database interface. MySQL is a secure database management system that can store various data types. ...
SQL Server Profiler is a tool for monitoring and analyzing SQL Server events. It captures and records data about each event, such as query execution, performance metrics, and errors. It allows database administrators to diagnose performance issues, identify slow-running queries, and audit SQL Serve...