SQL Escape / Unescape Online Tool

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The SQL Escape / Unescape Tool provides a quick and simple method to escape special characters within SQL strings, particularly single quotes ('). This utility can be beneficial when manually working with SQL strings or when testing SQL injection vulnerabilities in a safe and controlled environment.

Output:

SQL Escape/Unescape Tool Documentation 

1. Overview 

The SQL Escape/Unescape Tool provides a quick and simple method to escape special characters within SQL strings, particularly single quotes ('). This utility can be beneficial when manually working with SQL strings or when testing SQL injection vulnerabilities in a safe and controlled environment. 

2. Features 

Escape SQL: Converts single quotes (') in SQL strings to double quotes ("). 

Unescape SQL: Reverts double quotes (") in SQL strings back to single quotes ('). 

Clear: Clears both input and output text areas. 

Copy: Copies the content of the output text area to the clipboard. 

3. Usage

1. Escaping SQL 

• Paste or type the SQL string into the input text area. 
• Click on the "Escape" button. 
• The escaped SQL string will appear in the output text area. 

2. Unescaping SQL 

• Paste or type the escaped SQL string into the input text area. 
• Click on the "Unescape" button. 
• The original SQL string will appear in the output text area.

3. Clearing Content 

Click on the "Clear" button to clear both input and output text areas. 

4. Copying the Output 

After escaping or unescaping, click on the "Copy" button to copy the output to your clipboard.

4. Sample Data for Testing

WITH SalesCTE AS (
    SELECT 
        s.ProductID, 
        p.ProductName, 
        SUM(s.Amount) as TotalSales
    FROM Sales s
    JOIN Products p ON s.ProductID = p.ID
    WHERE p.Category IN ('Electronics', 'Groceries') AND s.Date >= '2020-01-01'
    GROUP BY s.ProductID, p.ProductName
    HAVING SUM(s.Amount) > 1000
)
SELECT 
    sc.ProductID,
    sc.ProductName,
    sc.TotalSales,
    (CASE WHEN sc.TotalSales > 5000 THEN 'High' WHEN sc.TotalSales > 2000 THEN 'Medium' ELSE 'Low' END) as SalesCategory
FROM SalesCTE sc
WHERE sc.ProductName LIKE '%iPhone%' OR sc.ProductName LIKE 'Samsung%'
ORDER BY sc.TotalSales DESC;

5. Important Notes 

This tool is designed for educational and testing purposes. It's essential to understand the implications of SQL injections and always use parameterized queries or prepared statements in production applications. 

The tool's logic, which switches between single and double quotes, is a bit unconventional for SQL. In real-world applications, doubling the single quotes (e.g., 'John''s Friend') is a more standard way to escape them.

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