1 / 10

SQL-Tutorial-A-Beginners-Guide

**"SQL-Tutorial-A-Beginners-Guide"** is a comprehensive introduction to Structured Query Language, designed specifically for those new to databases. This guide covers essential SQL concepts such as SELECT statements, filtering, sorting, joins, and data manipulation. Whether you're a student, aspiring data analyst, or software developer, this tutorial provides step-by-step explanations to help you confidently interact with relational databases. By the end, you'll have a solid foundation in SQL and be ready to write queries, manage tables, and extract insights from data effectively.<br>

tpointtechblog
Download Presentation

SQL-Tutorial-A-Beginners-Guide

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. SQL Tutorial: A Beginner's Guide Learn how to query and manage data effectively with SQL.

  2. What is SQL? Definition Function Structured Query Language for database management Interacts with tables, rows, and columns Compatibility Standard in MySQL, PostgreSQL, SQL Server, Oracle

  3. Why Learn SQL? Key Roles Capabilities Data analysts and software developers Querying, filtering, and analyzing data Applications Reporting and backend system use

  4. Basic SQL Commands SELECT Retrieve data INSERT Add data UPDATE Modify data DELETE Remove data CREATE Create tables/databases DROP Delete tables/databases

  5. SQL Syntax Example SELECT Specify columns to retrieve FROM Choose the table WHERE Apply filter conditions Example: SELECT name, age FROM users WHERE age > 25;

  6. Data Filtering and Sorting WHERE Clause ORDER BY LIMIT Filters rows based on conditions Sorts results ascending or descending Restricts number of returned rows Example: SELECT * FROM employees WHERE department = 'Sales' ORDER BY salary DESC LIMIT 5;

  7. Understanding Joins INNER JOIN LEFT JOIN Example Query Common data from both tables All left table + matched right table SELECT a.name, b.salary FROM employees a JOIN salaries b ON a.id = b.emp_id;

  8. Real-World Applications Business Analysis Website Databases Inventory Management Dashboards & Reports

  9. How to Practice SQL Install Tools MySQL Workbench, SQLite, PostgreSQL Use Online Editors db-fiddle, sqltest.io for quick practice Practice with Data Sample datasets to build confidence Regular practice deepens understanding and skill.

  10. hr@tpointtech.com +91-9599086977 https://www.tpointtech.com/

More Related