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Sujan
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1st lesson free
- Databases
Master the Power of Data: Database Mastery Course with 3 Years Field Experiences!
- Databases
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About Sujan
As a professional Database Administrator at a renowned bank, my role involves overseeing the design, implementation, and optimization of critical database systems. I ensure the security and reliability of our databases through proactive monitoring and robust backup strategies. Collaboration with cross-functional teams is essential, as we align database strategies with the bank's objectives. Constantly staying updated on the latest database technologies allows me to drive innovation and maintain our competitive edge in the industry.
Teaching database allows me to share my passion for data management and help others unlock the power of organizing and accessing information efficiently. It's rewarding to see students grasp complex concepts and develop practical skills that can shape their careers. Teaching also enhances my own understanding of databases, as I explore different teaching methods and perspectives. It's a fulfilling way for me to give back to the community and contribute to the growth of aspiring database professionals. Ultimately, teaching database is both a personal and professional endeavour that enriches both my students' lives and my own.
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About the lesson
- Primary
- Secondary
- SPM
- +7
levels :
Primary
Secondary
SPM
Adult education
Masters
Beginner
Intermediate
Advanced
Professional
Kids
- English
All languages in which the lesson is available :
English
Lesson Title: Introduction to SQL
Lesson Overview:
In this lesson, you will embark on an exciting journey into the world of Structured Query Language (SQL), the universal language of databases. SQL is the foundation for managing, querying, and manipulating data in relational database management systems (RDBMS). By the end of this lesson, you will understand the basic syntax of SQL, be able to retrieve data from a database using SELECT statements, and have a grasp of filtering and sorting techniques.
Lesson Objectives:
1. Understand the purpose and importance of SQL in managing databases.
2. Learn the basic syntax of SQL queries.
3. Master the usage of the SELECT statement to retrieve data from tables.
4. Explore filtering data using the WHERE clause.
5. Practice sorting data using the ORDER BY clause.
Lesson Content:
1. Introduction to SQL:
- Explanation of SQL and its role in database management.
- Brief history and evolution of SQL.
2. SQL Syntax Basics:
- Structure of a SQL statement: SELECT, FROM, WHERE, ORDER BY.
- Explanation of keywords and their functions.
3. Retrieving Data with SELECT:
- Syntax of the SELECT statement.
- Retrieving all columns vs. specific columns.
- Examples of simple SELECT queries.
4. Filtering Data with WHERE:
- Introduction to the WHERE clause.
- Using comparison operators (e.g., =, , ) in WHERE clauses.
- Combining conditions with AND, OR, and NOT operators.
5. Sorting Data with ORDER BY:
- Purpose of the ORDER BY clause.
- Sorting data in ascending and descending order.
- Examples of ORDER BY in conjunction with SELECT statements.
Lesson Activities:
1. Hands-On Practice:
- Provide a sample database schema with tables and data.
- Ask students to write SQL queries to retrieve specific information from the database.
2. Interactive Quizzes:
- Create quizzes to test students' understanding of SQL syntax, SELECT statements, WHERE clauses, and ORDER BY clauses.
3. Real-World Applications:
- Discuss real-world scenarios where SQL is used, such as e-commerce websites, banking systems, and social media platforms.
- Encourage students to think about how SQL queries are utilized to solve practical problems.
Conclusion:
In this lesson, you've taken your first steps into the world of SQL. You've learned the fundamental syntax of SQL queries, including SELECT, WHERE, and ORDER BY clauses, and how to use them to retrieve and manipulate data from databases. As you continue your journey, remember that practice makes perfect, so keep honing your SQL skills to become a proficient database professional.
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- 5h: S$130
- 10h: S$260
online
- S$26/h
free lessons
This first lesson is free to allow you to get to know your teacher so that they can best meet your needs.
- 1hr
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