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The difference between groupby and orderby in sql

Apr 29, 2024 pm 02:57 PM
aggregate function

GroupBy is used to aggregate data, while OrderBy is used to sort data. GroupBy returns the group, while OrderBy returns the sorted rows. GroupBy can contain aggregate functions, while OrderBy can contain regular columns.

The difference between groupby and orderby in sql

The difference between GroupBy and OrderBy in SQL

GroupBy

  • Combine rows with the same value into a grouping
  • Purpose: To summarize or aggregate data
  • Syntax:
SELECT column_name(s)
FROM table_name
GROUP BY column_name
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OrderBy

  • Sort the result set by the value of the specified column
  • Purpose:Organize and display Data
  • Syntax:
SELECT column_name(s)
FROM table_name
ORDER BY column_name [ASC | DESC]
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Difference

  • Usage: GroupBy Used to aggregate data, while OrderBy is used to sort data.
  • Result set: GroupBy returns groups, while OrderBy returns sorted rows.
  • Columns: GroupBy can contain aggregate functions, while OrderBy can contain regular columns.

Example

Suppose there is a table named "Sales" that contains the following data:

ProductSales
Apple100
Banana 50
Apple75
Banana25
Orange120

##GroupBy Example:

SELECT Product, SUM(Sales) AS TotalSales
FROM Sales
GROUP BY Product;
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Result:

ProductTotalSalesApple175Banana75Orange120

OrderBy Example:

SELECT * FROM Sales
ORDER BY Sales DESC;
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Results (sorted by sales volume in descending order):

##ProductOrangeAppleAppleBananaBanana
Sales
120
100
75
50
25

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