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16 sty 2024 · Examples of Using CASE WHEN in Data Analysis. Example 1: Categorizing Data. Example 2: Handling NULL Values. Example 3: Creating Aggregated Columns. Example 4: Marketing Analysis. Example 5: Customer Segmentation. Example 6: Categorizing Products by Price Range. Example 7: Analyzing Order Fulfillment Status.
- How to Use CASE in SQL
Table of Contents. What Is the CASE Statement? Using CASE...
- How to Use CASE in SQL
SQL CASE Examples. The following SQL goes through conditions and returns a value when the first condition is met: Example. SELECT OrderID, Quantity, CASE. WHEN Quantity > 30 THEN 'The quantity is greater than 30'. WHEN Quantity = 30 THEN 'The quantity is 30'. ELSE 'The quantity is under 30'. END AS QuantityText.
The CASE expression has two formats: simple CASE and searched CASE. You can use the CASE expression in a clause or statement that allows a valid expression. For example, you can use the CASE expression in statements such as SELECT , DELETE , and UPDATE or in clauses such as SELECT , ORDER BY , and HAVING .
2 cze 2023 · The SQL CASE statements lets you implement conditional logic directly in SQL. Learn all about the SQL CASE statement (plus examples) in this guide.
3 wrz 2024 · The CASE expression has two formats: The simple CASE expression compares an expression to a set of simple expressions to determine the result. The searched CASE expression evaluates a set of Boolean expressions to determine the result. Both formats support an optional ELSE argument.
28 cze 2023 · In summary, the SQL case statement enables users to flexibly handle conditional logic when querying data in a simple, readable format. Understanding the basic syntax and working with examples helps build a strong foundation in effectively implementing case statements within SQL projects.
17 sie 2021 · Table of Contents. What Is the CASE Statement? Using CASE with the GROUP BY Clause. Using CASE in the ORDER BY Clause. Using CASE in the WHERE Clause. Using CASE in the HAVING Clause. Using CASE in an UPDATE Statement. CASE Statement Limits. Sequential Evaluation in CASE. CASE Statement Flow Control. Ready to Use CASE in SQL Queries?
