Data processing is a crucial step in converting raw data into valuable insights.
FROM
clause) and incrementally update the results automatically.
Ad-hoc: Also like traditional databases, RisingWave allows users to send SELECT statement to query the result. At this point, RisingWave reads the data from the current snapshot, processes it, and returns the results.
sales_data
. This table stores information about product IDs (product_id
) and their corresponding sales amounts (sales_amount
).
sales_data
table, we can create a materialized view called mv_sales_summary
to calculate the total sales amount for each product.
sales_data
table into a materialized view called mv_sales_summary
. This materialized view provides the total sales amount for each product. Utilizing materialized views allows for precomputing and storing aggregated data, which in turn improves query performance and simplifies data analysis tasks.