Find Maximum and Minimum Height and Weight
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Question (#19)
Note
Find the highest and lowest
height
and
weight
of the patients. Display the columns:
max_height
,
min_height
,
max_weight
,
min_weight
Expected Output
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Databases & Questions
Hint
Four values in one row: use MAX and MIN on the right columns.
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Query an Entire Table
Limit Rows From the Top of a Table
Return Rows From a Specific Position
Select Specific Columns and Assign a Default Value
Filter Rows With a Condition
Count All Rows Without a Condition
Count Rows With a Condition
Count Patients by Group Condition (Single Row)
Count Patients by Group Condition (Multiple Rows)
Concatenate Strings and Filter NULL Values
Concatenate Strings and Filter Non-NULL Values
Count Patients With and Without Allergies
Count Patients by Allergy Status and return multiple rows
Filter by Birth Year and Sort by Height
Filter by a List of IDs
Filter Patients With Odd IDs
Combine Conditions on Specialty and Last Name
Filter Names by Starting Letter
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Find Patients With the Tallest and Shortest Height
List Distinct Diagnoses of One Patient
Aggregate Diagnoses Into a Single Row
Aggregate Distinct Diagnoses per Patient
Count Distinct Diagnoses per Patient
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Province Name With Its Cities
Find First Names That Appear Exactly Once
Filter Names by Length and Last Letter
Find Patients With a Specific Diagnosis
Find Repeat Admissions With the Same Diagnosis
Join Patients With Province Names
Count Patients per City
Count Patients per Province
Count Patients per City Within Each Province
Join Patients, Admissions and Doctor Specialty
Count Admissions per Doctor
Combine Patients and Doctors With a Role Column
Rank Allergies by Popularity
Format Doctor Names With UPPER and LOWER
Filter Aggregated Heights With HAVING
Weight Difference Within a Last-Name Group
Latest Admission of One Patient
Earliest and Latest Admission of One Patient
First and Last Day of Each Doctor
Join Admissions, Patients and Doctors
Calculate BMI
Find Duplicate Full Names
Combine Conditions on IDs With OR
Find Patients Without Admissions
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Latest Admission per Patient With Doctor Name
Find the Latest Admission of Each Patient
Count Patients Born in a Given Year
Classify Patients by BMI Threshold
Filter Patients by Diagnosis and Doctor Name during a DATE range
Generate Temporary Passwords
Compute Admission Fees by Insurance Status
Provinces With More Male Than Female Patients
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Custom Sort With One Value First
Admissions per Doctor per Year
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Doctors Above the Overall Average
Doctors Above the Average of Their Specialty
Find Patients Missing Both Height and Weight
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Patient With the Most Admissions
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Find Doctors Without Admissions
Find Duplicate Patients (NULL-Safe, is not distinct)
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Different Provinces Including NULLs
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Calculate Current Age
Rank Doctors by Distinct Patients
Running Total of Admissions