Structured Query Language is the main part of the relational database, which can be utilized for gaining access to the database and also plays a major role in the management of the database. On the other hand, MySQL is a Relational Database Management System like SQL Server, Informix, and...
delete or update information in a database. Usually, a query response returns data from different tables within the database, but this does not apply every time (for example, a delete query will not return
首先,我们需要创建一个新的数据库来存储面试题相关的数据。 CREATEDATABASEInterviewQuestions; 1. 2. 创建表格 接下来,我们需要在数据库中创建一个表格来存储面试题的相关信息。 USEInterviewQuestions;GOCREATETABLEQuestions(IDINTPRIMARYKEY,QuestionText NVARCHAR(255)NOTNULL,AnswerText NVARCHAR(255)NOTNULL); 1. ...
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. ...
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,...
SQL Job Interview Questions and Answers 1 :: What is SQL (Structured Query Language)? SQL is an English like language consisting of commands to store, retrieve, maintain & regulate access to your database.Read More 2 :: What is the SQL*Plus? SQL*Plus is an application that recognizes &...
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...
32.What is a Database Lock ? Database lock tell a transaction, if the data item in questions is currently being used by other transactions. SQL INTERVIEW QUESTIONS AND ANSWERS 10 | P a g e What are the type of locks ? Shared Lock ...
Doing an SQL interview as part of your job application?Be ready to answer questions about JOIN clauses.JOIN clauses are ubiquitous within SQL. Used frequently in almost every enterprise-grade database application, they're the glue that holds a database together and makes data analysis possible....
Following are some important Interview Questions for SQL : 1.What is SQL?Where SQL is used? Answer: SQL is Structured Query Language, which is a computer language for storing, manipulating and retrieving data stored in relational database.SQL can be used in different languages or database manag...