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所在平台: Udemy |
课程主页: https://www.udemy.com/course/rohitsir/
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课程名称：12年级计算机科学/信息学实践第二学期 概述：本课程专为12年级学生设计，旨在帮助学生掌握数据库概念和SQL，从而提高学业成绩。课程内容与12年级计算机科学和信息学实践的教学大纲相匹配，学生将通过实践实例和对错误的分析，深入理解所学知识，培养高层次的思维能力。 学生将学习数据和数据库的基础知识。数据是与某个对象相关的事实，例如姓名、年龄、身高、体重等都属于数据范畴。同时，图片、文件及PDF等也被视为数据。数据库则是数据的系统性集合，支持电子存储和操作，使数据管理变得更加简便。 课程中将介绍多种流行的数据库类型： - **分布式数据库**：这种数据库的特点在于其数据由公共数据库和本地计算机捕获的信息共同组成，数据分布在多个组织中。 - **关系数据库**：以表格形式定义数据库之间关系的数据库类型，被称为关系数据库管理系统（RDBMS），是市场上最流行的数据库类型，例子包括MySQL、Oracle和Microsoft SQL Server。 - **面向对象的数据库**：这种数据库支持存储所有数据类型，数据以对象的形式存储，具有定义数据操作的属性和方法，PostgreSQL就是一个面向对象的关系数据库管理系统示例。 学生还将深入理解RDBMS的重要性及SQL的使用，SQL查询是一个深入学习的主题。本课程专注于12年级学生所需的特定主题，并涵盖不同类别的SQL语句。 通过本课程的学习，学生将能有效掌握数据库管理及SQL的基础知识，提升实际应用能力。
This course is created for the students of class 12 to learn and score more marks in database concept and SQL. All the contents have been taken to represent the syllabus of class 12 Computer Science and Informatics Practices. Students are going to learn and also they are going to become an expert on the said topic. Through practical examples and also through the practical analysis of bugs, students will achieve very high level of thinking. Database concept is the theoretical topic which provides you to learn various jargons and terminology used in the world of DBMS. You are going to learn all the advantages and disadvantages of various terms. What is Data? In simple words, data can be facts related to any object in consideration. For example, your name, age, height, weight, etc. are some data related to you. A picture, image, file, pdf, etc. can also be considered data. What is Database? A database is a systematic collection of data. They support electronic storage and manipulation of data. Databases make data management easy. Here are some popular types of databases. Distributed databases: A distributed database is a type of database that has contributions from the common database and information captured by local computers. In this type of database system, the data is not in one place and is distributed at various organizations. Relational databases: This type of database defines database relationships in the form of tables. It is also called Relational DBMS, which is the most popular DBMS type in the market. Database example of the RDBMS system include MySQL, Oracle, and Microsoft SQL Server database. Object-oriented databases: This type of computers database supports the storage of all data types. The data is stored in the form of objects. The objects to be held in the database have attributes and methods that define what to do with the data. PostgreSQL is an example of an object-oriented relational DBMS. You are going to understand the essentiality of RDBMS and also the use of SQL.SQL Queries are very deep learning topic. This course focused on very specific topics required for the students of class 12. There are different categories of SQL statements that you are going to learn in the course.
