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What is the SQL command to list the number of product sales (number of rows) and total sales by month, with subtotals by month and a grand total for all sales? Figure P13.9 shows the result of the query.

What is the SQL command to list the number of product sales (number of rows) and total sales by month, with subtotals by month and a grand total for all sales? Figure P13.9 shows the result of the query.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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What is the SQL command to list the number of product sales (number of rows) and total sales by month, with subtotals by month and a grand total for all sales? Figure P13.9 shows the result of the query.

**Sales Data Analysis** This table provides a summary of sales data broken down by month, including the number of products sold and the total sales amount. | **TM_MONTH** | **NUMPROD** | **TOTSALES** | |--------------|-------------|--------------| | 9 | 23 | 1239.85 | | 10 | 13 | 1012.21 | | NULL | 36 | 2252.06 | - **TM_MONTH**: Represents the month in numerical format. Here, '9' corresponds to September and '10' to October. The entry 'NULL' might indicate data that does not belong to a specific month, possibly representing unordered or miscellaneous entries. - **NUMPROD**: Indicates the number of products sold in each period. For September, 23 products were sold, while in October, 13 products were sold. The NULL period shows a total of 36 products. - **TOTSALES**: Reflects the total sales value in each period. For September, sales amounted to 1239.85, and for October, they totaled 1012.21. The NULL period has a total sales value of 2252.06. This data can be useful for understanding sales trends over specific months and identifying periods with the highest sales volume or revenue.
Transcribed Image Text:**Sales Data Analysis** This table provides a summary of sales data broken down by month, including the number of products sold and the total sales amount. | **TM_MONTH** | **NUMPROD** | **TOTSALES** | |--------------|-------------|--------------| | 9 | 23 | 1239.85 | | 10 | 13 | 1012.21 | | NULL | 36 | 2252.06 | - **TM_MONTH**: Represents the month in numerical format. Here, '9' corresponds to September and '10' to October. The entry 'NULL' might indicate data that does not belong to a specific month, possibly representing unordered or miscellaneous entries. - **NUMPROD**: Indicates the number of products sold in each period. For September, 23 products were sold, while in October, 13 products were sold. The NULL period shows a total of 36 products. - **TOTSALES**: Reflects the total sales value in each period. For September, sales amounted to 1239.85, and for October, they totaled 1012.21. The NULL period has a total sales value of 2252.06. This data can be useful for understanding sales trends over specific months and identifying periods with the highest sales volume or revenue.
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