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Count the total with group by option

edited Feb 18, 2010 5:22AM in SQL Language (MOSC) 16 commentsAnswered
 I have a view shown as below:
QL> desc RODS_VIEW9
Name Null? Type
----------------------------------------- -------- ------------------
ODS_ID NUMBER(20)
ADMITTED DATE
EPI_YEAR VARCHAR2(4)
EPI_WEEK VARCHAR2(2)
ADMIT_MONTH VARCHAR2(6)
ADMIT_WEEK VARCHAR2(6)
ADMIT_YEAR VARCHAR2(4)
ADMIT_DAY VARCHAR2(7)
ADMIT_TIME VARCHAR2(7)
ADMIT_HOUR VARCHAR2(4)
COMPLAINT VARCHAR2(400)
SYNDROME VARCHAR2(50)
DOB DATE
DOB_CHAR VARCHAR2(8)
AGE NUMBER
AGE_CATEGORY VARCHAR2(6)
AGEGROUP_GI VARCHAR2(6)
AGEGROUP05 VARCHAR2(9)
AGEGROUP10 VARCHAR2(9)
AGEGROUP20 VARCHAR2(9)
PATIENT_HOME_ZIP VARCHAR2(5)
HOME_ZIP_REGION VARCHAR2(12)

I tried to write a query which will report count of the patients when they are admited in Emergency Room according to their age_category and area code region on some date range. Here is the query and part of the result:

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