A query, in SQL, is a command used to request data or update information from a database table or combination of tables. Users can write and execute queries to retrieve, delete or update information in a database. Usually, a query response returns data from different tables within the data...
Landing a job that requires SQL skills often means preparing for a challenging interview. SQL is a foundational technology for database management, so employers test candidates on various concepts ranging from basic to advanced-level queries. This blog covers common SQL interview questions and their ...
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Advanced SQL Interview Questions for Experienced 35. Write a query to fetch employees who earn more than the average salary. SELECT * FROM Intellipaat_Emp WHERE salary > (SELECT AVG(salary) FROM Intellipaat_Emp); 36. How would you find the 2nd highest salary from a table called Employees...
A subquery in SQL is like a query within a query. It helps you ask specific questions within a larger question. This nested query is used to filter or calculate data in a structured way. What is an SQL server? An SQL server is a software application that manages and stores databases. ...
4,666 questions with Transact-SQL-related tags Sort by:Updated UpdatedCreatedAnswers 0 answers Record count difference during update query execution. We are trying to update around 5 millions of data in Azure SQL DWH at a time. While updating the same it has been observed the count of records...
14,151 questions 3 answers Azure Resource Graph Explorer - Retrieving DTU Percentage I am trying to use Azure Resource Graph Explorer to obtain a list of databases along with their DTU percentage. However, my query returns NULL for the DTU_percentage column. Is it possible to retrieve this inf...
SQL Interview Questions for beginners and professionals with sql, tutorial, examples, insert, update, delete, select, join, database, table, join
SQL Interview Questions More on SQLWhy SQLZoo Is the Best Way to Practice SQL10. SQL Challenge — Find the Third-Highest Employee Salary in the TableTable: EmployeeImage created by the author. Answer — SQL QueryWITH CTE AS ( SELECT DISTINCT TOP 3 salary FROM Employee ORDER BY salary DESC...
81. Write an SQL Query to select all records from the table? 100. How do you update F as M and M as F from the below table TestTable? Basic & Advanced SQL Server Interview Questions And Answers Let’s start with common SQL Interview Questions first. ...