What is the SQL command to list the number of product sales (number of rows) and total sales by month and product category, with subtotals by month and product category and a grand total for all sales? Figure P13.10 shows the result of the query.

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
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What is the SQL command to list the number of product sales (number of rows) and 
total sales by month and product category, with subtotals by month and product 
category and a grand total for all sales? Figure P13.10 shows the result of the query.

FIGURE 13.20 SALECO SNOWFLAKE SCHEMA
DWREGION
PK REG ID
REG_NAME
DWCUSTOMER
PK CUS_CODE
CUS_LNAME H
CUS_FNAME
CUS INITIAL
CUS STATE
FK1 REG ID
DWTIME
PK TM ID
TM_YEAR
TM_MONTH
TM_DAY
TM_QTR
DWSALESFACT
PK,FK2 TM_ID
PK,FK1 CUS CODE O
OPK,FK3 P CODE
SALE UNITS
SALE_PRICE
+
DWVENDOR
PK V CODE
V_NAME
V_AREACODE
V STATE
I
DWPRODUCT
PK P CODE
P DESCRIPT
P_CATEGORY
FK1 V_CODE
Transcribed Image Text:FIGURE 13.20 SALECO SNOWFLAKE SCHEMA DWREGION PK REG ID REG_NAME DWCUSTOMER PK CUS_CODE CUS_LNAME H CUS_FNAME CUS INITIAL CUS STATE FK1 REG ID DWTIME PK TM ID TM_YEAR TM_MONTH TM_DAY TM_QTR DWSALESFACT PK,FK2 TM_ID PK,FK1 CUS CODE O OPK,FK3 P CODE SALE UNITS SALE_PRICE + DWVENDOR PK V CODE V_NAME V_AREACODE V STATE I DWPRODUCT PK P CODE P DESCRIPT P_CATEGORY FK1 V_CODE
FIGURE P13.10 PROBLEM 10 RESULT
CIA SQL Plus
TM_MONTH P_CATEGORY
9 CAT1
9 CATZ
9 CAT3
9 CAT4
9
10 CAT1
10 CATZ
10 CAT3
10 CAT4
10
11 rows selected.
NUMPROD
8
4
س د ن جر به با هر س ی
23
3
13
36
TOTSALES
174.83
446.81
537.54
80.67
1239.85
124.89
366.91
459.64
60.77
1012.21
2252.06
Transcribed Image Text:FIGURE P13.10 PROBLEM 10 RESULT CIA SQL Plus TM_MONTH P_CATEGORY 9 CAT1 9 CATZ 9 CAT3 9 CAT4 9 10 CAT1 10 CATZ 10 CAT3 10 CAT4 10 11 rows selected. NUMPROD 8 4 س د ن جر به با هر س ی 23 3 13 36 TOTSALES 174.83 446.81 537.54 80.67 1239.85 124.89 366.91 459.64 60.77 1012.21 2252.06
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