SQL Server

Overview of SQL and RDBMS:

• What is SQL? SQL Standards
• Types of Databases (RDBMS, NoSQL)
• Introduction to Database Management Systems
• SQL Environment Setup (MySQL, PostgreSQL, SQL Server)

• Basic SQL Syntax:
• SELECT, FROM, WHERE, ORDER BY, LIMIT
• Filtering Data with WHERE, Comparison Operators
• Sorting and Limiting Results
• Data Types:
• Common Data Types (INT, VARCHAR, DATE, etc.)
• Type Conversion Functions (CAST, CONVERT)

• Aggregate Functions:
• COUNT, SUM, AVG, MIN, MAX
• Grouping Data: GROUP BY and HAVING
• String Functions:
• CONCAT, LENGTH, UPPER, LOWER, SUBSTRING
• Date and Time Functions:
• CURDATE, NOW, DATEDIFF, DATE_ADD

• Joins in SQL:
• INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN
• Joining Multiple Tables
• Using Aliases for Table Names
• Subqueries and Nested Queries:
• Inline Subqueries, Correlated Subqueries
• Using Subqueries with SELECT, INSERT, and UPDATE
• Unions and Intersections:
• UNION, UNION ALL
• INTERSECT, EXCEPT

• Inserting Data:
• INSERT INTO Single and Multiple Rows
• Bulk Insert
• Updating Data:
• UPDATE with Conditions
• Modifying Data Across Multiple Tables
• Deleting Data:
• DELETE with WHERE Clause
• TRUNCATE vs. DELETE

• Views in SQL:
• Creating and Managing Views
• Updating Data through Views
• Indexes and Performance Tuning:
• Creating and Managing Indexes
• Optimizing Queries with Indexing
• Stored Procedures and Functions:
• Defining Stored Procedures
• Creating and Using User-defined Functions

• Transactions in SQL:
• COMMIT, ROLLBACK, SAVEPOINT
• Ensuring ACID Properties (Atomicity, Consistency, Isolation, Durability)
• Constraints:
• Primary Key, Foreign Key, Unique, Check Constraints
• Managing Referential Integrity

• User Roles and Permissions:
• Creating Users and Granting Privileges
• Managing Roles and Access Controls
• SQL Injection and Security Best Practices:
• Avoiding SQL Injection Attacks
• Writing Secure SQL Queries

• End-to-End Database Project:
• Designing Database Schema
• Implementing SQL Queries for Data Manipulation and Retrieval
• Optimizing Query Performance