🚀 Welcome to Anirvan Decodes! 🚀
her is your ultimate guide on Incremental Models in dbt!
🎓 In this tutorial, we'll dive into the powerful world of incremental models, covering techniques to efficiently handle data changes. Whether you're a seasoned data engineer or just diving into dbt, this video is your roadmap to mastering incremental models.
What You'll Learn:
Update Operation: Explore how to seamlessly update existing records in your dataset.
Append Strategy: Learn the art of adding new data to your existing model without reloading everything.
Merge Technique: Uncover the power of the merge operation for efficient updates and insertions.
🔁 Share this Knowledge:
Help others level up their dbt game by sharing this video with your network. Knowledge grows when it's shared! 🚀
SQL Statements
-- CREATE A RAW TABLE
CREATE or replace TABLE raw.employee_details (
id INT,
name VARCHAR(255),
position VARCHAR(255),
department VARCHAR(255),
salary INT,
received_at TIMESTAMP
);
-- INSERT INTO TABLE
INSERT INTO raw.employee_details (id, name, position, department, salary, received_at)
VALUES
(201, 'Alex Johnson', 'Marketing Specialist', 'Marketing', 62000, '2024-02-03 08:45:00'),
(202, 'Brooke Williams', 'Sales Representative', 'Sales', 72000, '2024-02-03 09:15:00'),
(203, 'Chris Lee', 'Software Engineer', 'Engineering', 81000, '2024-02-03 09:45:00'),
(204, 'Dana Smith', 'HR Manager', 'Human Resources', 92000, '2024-02-03 10:30:00'),
(205, 'Emma Brown', 'Financial Analyst', 'Finance', 76000, '2024-02-03 11:00:00'),
(206, 'Frank White', 'Data Scientist', 'Data Science', 87000, '2024-02-03 11:30:00'),
(207, 'Grace Miller', 'Operations Manager', 'Operations', 97000, '2024-02-03 12:15:00'),
(208, 'Harry Davis', 'UX/UI Designer', 'Design', 72000, '2024-02-03 12:45:00'),
(209, 'Isabel Taylor', 'Customer Support Rep', 'Support', 56000, '2024-02-03 13:30:00'),
(210, 'Jack Anderson', 'Product Manager', 'Product', 91000, '2024-02-03 14:00:00');
select * from raw.employee_details;
select * from DBT_TUTORIAL.STAGING.STG__EMPLOYEE_DETAILS
-- INSERT TWO NEW ROWS
INSERT INTO raw.employee_details (id, name, position, department, salary, received_at)
VALUES
(211, 'Alex Johnson', 'Marketing Specialist', 'Marketing', 62000, '2024-02-04 08:45:00'),
(212, 'Brooke Williams', 'Sales Representative', 'Sales', 72000, '2024-02-05 09:15:00');
--HOW TO DO UPDATES
INSERT INTO raw.employee_details (id, name, position, department, salary, received_at)
VALUES
(201, 'Alex Johnson', 'Senior Marketing Specialist', 'Marketing', 62000, '2024-02-06 08:45:00'),
(202, 'Brooke Williams', 'Senior Sales Representative', 'Sales', 72000, '2024-02-07 09:15:00');
select * from DBT_TUTORIAL.STAGING.STG__EMPLOYEE_DETAILS
truncate table raw.employee_details;
select * from raw.employee_details order by id;
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Music: Inspire 2 by Wavecont
protunes.net
Video Link: • Wavecont - Inspire 2 (...
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21 авг 2024
