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GOURI SANKAR
- Rate £6
- Response 1h
£6/hr
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- SQL
With over 15 years of experience in the IT industry, I am a seasoned SQL trainer with a strong track record of empowering individuals and organizations to excel in data management and analysis through
- SQL
Lesson location
About GOURI SANKAR
I am a seasoned SQL trainer with over 15 years of extensive experience in the IT industry. I have had the privilege of working with renowned organizations such as Capgemini, Accenture, Swiss Bank, and Tech Mahindra throughout my career. My journey through these esteemed companies has equipped me with a diverse and comprehensive understanding of SQL and its practical applications, enabling me to provide valuable insights and expertise to my students.
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About the lesson
- All Levels
- English
All languages in which the lesson is available :
English
Introduction to Databases:
What is a database?
Types of databases (relational, NoSQL, etc.)
Understanding data structures.
SQL Basics:
Writing SQL queries.
SELECT statement.
Filtering data using WHERE clause.
Sorting data with ORDER BY.
Limiting results with LIMIT.
Database Design:
Creating and managing databases.
Tables and relationships.
Primary keys and foreign keys.
Data Manipulation:
INSERT, UPDATE, and DELETE statements.
Modifying data in tables.
Transactions.
Querying Multiple Tables:
JOIN operations (INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN).
Subqueries.
UNION and UNION ALL.
Aggregation and Grouping:
Using GROUP BY for summary data.
Aggregate functions (SUM, AVG, COUNT, etc.).
HAVING clause.
Data Filtering and Conditional Logic:
CASE statements.
Logical operators (AND, OR, NOT).
IS NULL and IS NOT NULL.
Advanced SQL Concepts:
Window functions (ROW_NUMBER, RANK).
Common Table Expressions (CTE).
Stored procedures and functions.
Triggers.
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Rates
Rate
- £6
Pack prices
- 5h: £24
- 10h: £47
online
- £6/h
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