My SQL
What is SQL?
SQL (Structured Query Language) is a standardized programming language used to manage and manipulate relational databases. It allows users to query, insert, update, and delete data in a database. SQL is essential for tasks such as creating database structures, managing data, and retrieving specific information based on user queries.
Key functions of SQL include:
- Data Querying: Using commands like
SELECTto retrieve data. - Data Modification: Inserting (
INSERT), updating (UPDATE), and deleting (DELETE) records. - Database Management: Creating and modifying database schemas with commands like
CREATE,ALTER, andDROP. - Data Integrity: Ensuring data accuracy and consistency through constraints, keys, and relationships.
SQL is widely used in applications that require large amounts of structured data, such as banking systems, customer relationship management (CRM) systems, and e-commerce platforms.
Advanced SQL Course Objectives:
- Master complex SQL queries using joins, subqueries, and set operations to retrieve and manipulate data efficiently.
- Learn advanced techniques for data aggregation, including window functions and advanced groupings.
- Gain expertise in optimizing query performance with indexing, query execution plans, and optimization strategies.
- Understand the implementation and management of transactions, locks, and concurrency control.
- Explore advanced database design concepts like normalization, denormalization, and schema optimization.
- Work with advanced data types, stored procedures, triggers, and functions to automate database operations.
- Understand and apply security practices in SQL, including user roles, permissions, and encryption.
- Solve real-world problems by working on complex SQL projects and case studies.
SQL Training (5 Weeks)
Gain expertise in managing and querying relational databases with SQL:
- Introduction to SQL: Understanding database concepts, SQL syntax, and relational databases.
- Data Retrieval: Mastering basic and advanced
"SELECT"queries, filtering, sorting, and aggregating data. - Joins and Subqueries: Learning how to combine data from multiple tables using “
INNER JOIN“, “LEFT JOIN ", “RIGHT JOIN“, and subqueries. - Data Modification: Inserting, updating, and deleting data using “
INSERT“, “UPDATE“, andDELETEstatements. - Advanced SQL Functions: Working with window functions, common table expressions (CTEs), and advanced aggregation techniques.
- Query Optimization and Performance: Understanding indexing, query execution plans, and optimizing complex queries for better performance.
- Database Design: Exploring normalization, primary/foreign keys, and relationships to design efficient and scalable databases.
- Security and Permissions: Managing user roles, access control, and database security practices.