From f4a5993c16b8cad187e88efc8fdc3d2b68b1c76c Mon Sep 17 00:00:00 2001 From: Superman <133979506+GitHub-User9999@users.noreply.github.com> Date: Tue, 24 Oct 2023 19:54:15 +0530 Subject: [PATCH 1/2] Create GitHub-User9999.md Add SQL Learning Roadmap - Created a comprehensive SQL learning roadmap. - Included steps for understanding databases, basic queries, filtering, sorting, and more. - Outlined topics for data manipulation, database design, and best practices. - Added a brief description for each step. - Linked relevant resources and documentation. - Closes #1 (Task to add SQL roadmap) --- SQL Roadmap/GitHub-User9999.md | 57 ++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 SQL Roadmap/GitHub-User9999.md diff --git a/SQL Roadmap/GitHub-User9999.md b/SQL Roadmap/GitHub-User9999.md new file mode 100644 index 00000000..20378dbb --- /dev/null +++ b/SQL Roadmap/GitHub-User9999.md @@ -0,0 +1,57 @@ +Absolutely, here's an even simpler and highly understandable roadmap for learning SQL: + +1. **Understanding Databases**: + - Start by learning what a database is. Think of it like a digital filing cabinet where you store structured information. + +2. **What is SQL**: + - SQL (Structured Query Language) is the language used to communicate with databases. + +3. **Basic Queries**: + - Begin with simple SELECT statements to retrieve data from a single table. It's like asking the database questions. + +4. **Filtering Data**: + - Learn how to use the WHERE clause to filter data based on specific conditions, just like using filters in a search. + +5. **Sorting Data**: + - Understand how to sort data using ORDER BY to organize information in a meaningful way. + +6. **Grouping and Aggregating**: + - Learn to group data using GROUP BY and calculate sums, averages, etc., using functions like SUM and AVG. + +7. **Joins**: + - Explore how to combine data from multiple tables using JOIN clauses. It's like connecting information from different sources. + +8. **Inserting Data**: + - Understand how to add new data to a table with INSERT statements, like adding new entries to a database. + +9. **Updating Data**: + - Learn to modify existing data using UPDATE statements, similar to editing information. + +10. **Deleting Data**: + - Explore how to remove data from a table with DELETE statements, just like deleting files. + +11. **Primary Keys and Indexes**: + - Grasp the importance of primary keys and indexes for efficient data management. + +12. **Views and Stored Procedures**: + - Discover views (saved queries) and stored procedures (predefined operations). + +13. **Transactions**: + - Learn about transactions, which ensure the database remains in a consistent state, even when errors occur. + +14. **Database Design**: + - Explore database design principles and best practices for creating efficient and structured databases. + +15. **Practice and Projects**: + - Apply your SQL skills by working on real-world projects or exercises. + +16. **SQL Dialects**: + - Be aware that different database management systems (DBMS) may have slight variations in SQL syntax. + +17. **Certification and Career**: + - Consider SQL certifications to demonstrate your expertise. + - Apply SQL skills to roles like data analysis, database administration, or other careers. + +Remember that SQL is a step-by-step journey, and practice is the key to mastering it. Start with the basics and gradually explore more advanced topics as you become more comfortable with SQL + +Thank You From 1c9eab51240cfb68f2e8a9f1a3525ae0479afd30 Mon Sep 17 00:00:00 2001 From: Superman <133979506+GitHub-User9999@users.noreply.github.com> Date: Tue, 24 Oct 2023 20:21:21 +0530 Subject: [PATCH 2/2] Roadmap SQL --- SQL Roadmap/GitHub-User9999.md | 2 -- 1 file changed, 2 deletions(-) diff --git a/SQL Roadmap/GitHub-User9999.md b/SQL Roadmap/GitHub-User9999.md index 20378dbb..1ee32847 100644 --- a/SQL Roadmap/GitHub-User9999.md +++ b/SQL Roadmap/GitHub-User9999.md @@ -53,5 +53,3 @@ Absolutely, here's an even simpler and highly understandable roadmap for learnin - Apply SQL skills to roles like data analysis, database administration, or other careers. Remember that SQL is a step-by-step journey, and practice is the key to mastering it. Start with the basics and gradually explore more advanced topics as you become more comfortable with SQL - -Thank You