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 ...
1. What is a relational database, and what is SQL? Please provide examples as part of your explanation. Even though you probably know what relational databases are — and what SQL itself is — it can be tough to come up with coherent, simple explanations during a live interview. To that...
A Database Management System (DBMS) is a program that controls creation, maintenance and use of a database. DBMS can be termed as File Manager that manages data in a database rather than saving it in file systems. 2. What is RDBMS? RDBMS stands for Relational Database Management System. ...
Q. “model” system DB is down and we are trying to create a new database. Is it possible to create a new database when model DB is down? Ans: We can’t create a new database when model database is down. SQL Server restart will be unsuccessful when model database is down as TE...
面试总结之Database / SQL All contents are moved tohaoran119/interview (github.com). 什么是数据库事务? 数据库事务_百度百科 https://baike.baidu.com/item/%E6%95%B0%E6%8D%AE%E5%BA%93%E4%BA%8B%E5%8A%A1/9744607?fr=aladdin 一个逻辑工作单元要成为事务,必须满足所谓的ACID(原子性(atomicity,...
database hold all of the user accessible data. Table data is stored in rows and columns. Q. Do View contain Data? Views do not contain or store data. Q. Can a View based on another View ? Yes. Q. What is a Sequence ? A sequence generates a serial list of unique numbers for nume...
Frequently Asked SQL Interview Questions1. What is a Database?A database refers to a structured data collection that can be stored, managed, and retrieved from a remote or local computer system. Databases can become pretty complex and are built with a fixed design and modeling approach. ...
Be prepared to write the commands in your interview. Books online also has information on detailed backup/restore architecture and when one should go for a particular kind of backup. 14. What is database replication? What are the different types of replication you can set up in SQL Server?
Oracle NoSQL Database is a distributed, highly performant, highly available scalable key-value database. Oracle NoSQL Database provides key-value pair data management over a distributed set of storage nodes, providing automatic data partitioning, distrib
SQL Server Interview Questions for a Data/BI Analyst Conclusion FAQs SQL Server is a widely used relational database management system (RDBMS) developed by Microsoft. Due to its popularity in the data industry, you're likely to encounter SQL Server-specific questions during technical interviews for...