Answers for "difference between = =? in sql query"

SQL
1

between vs in sql

• BETWEEN operator is used to display
rows based on a range of values in a
row whereas the IN condition operator 
is used to check for values contained
in a specific set of values.
• Example of BETWEEN:
SELECT * FROM Students
WHERE ROLL_NO BETWEEN 10 AND 50;
• Example of BETWEEN:
SELECT * FROM students
WHERE ROLL_NO IN (8,15,25);
Posted by: Guest on January-28-2021
0

the differnece between to values in sql

SELECT 	
city,
	year,
      population_needing_house,
      LAG(population_needing_house)
      OVER (PARTITION BY city ORDER BY year ) AS previous_year
      population_needing_house - LAG(population_needing_house)
 	OVER (PARTITION BY city ORDER BY year ) AS difference_previous_year
FROM 	housing
ORDER BY city, year
Posted by: Guest on July-01-2021

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