SQL Basic Aptitude Questions and Answers - This section contains Aptitude Questions on SQL Basics - SQL Commands, syntaxes, examples, definitions etc.
Master SQL interview with these essential questions and answers. Covering everything from basic to advanced topics, this guide will help you prepare thoroughly
SQL is used and is popular for server-side programmers for its ability to process a large number of entries in a database in a very fast and easy manner. This opens up to large improvements in data retrieval and manipulation. To expound on this, SQL provides the ability to execute, retri...
These kinds ofSQL interview questionsconfuse the candidate at times. So, coming to the question, there are three different kinds of operators available in SQL. They are: Arithmetical operators Logical operators Comparison operators 4) Are the terms zero or blank space the same as that of NULL v...
This is a common question by almost every fresher developer. SQL is absolutely case-insensitive when it comes to the case of clauses and queries. However, it does treat the data in a case sensitive manner. Hence, if you put a case sensitive WHERE clause, SQL ensures it is taken care of...
This article will walk you through some SQL interview questions and answers to help you with a job change or if you want to improve your interview skills. I have also tried to attach supporting articles for each question to help you learn more in-depth about the specified topics. I tried ...
Frequently asked SQL Server Interview Questions and Answers for freshers, intermediate, and experienced which will definitely ace your SQL Server Interview.
4. What is the basic form of a SQL statement to read data out of a table? SELECT * FROM table_name; 5. What structure can you have the database make to speed up table reads? The question is not correct. "What structure can you have the database make to speed up table reads?" ...
Intermediate SQL interview questions with detailed answers: 11. Find Customer Order Counts Question: Write a query to list customers who have placed more than 5 orders. Use the customers and orders tables. Answer: SELECT c.customer_id, c.customer_name, COUNT(o.order_id) AS order_count ...
数据库面试题(SQL+ORACLE),数据库基础(面试常见题)一、数据库基础1.数据抽象:物理抽象、概念抽象、视图级抽象,内模式、模式、外模式2.SQL语言包括数据定义、数据操纵(DataManipulation),数据控制(DataControl)数据定义:CreateTable,AlterTable,DropTa...