REPLACE in SQL Server - Examples & AI Generator

Mastering the REPLACE function in SQL Server is essential for quick string edits, such as fixing typos or standardizing data. But memorizing REPLACE SQL Server syntax—or adapting it from other databases—can be tedious, especially under tight deadlines. AI2sql eliminates manual coding by instantly turning your requirements into perfect REPLACE queries. With no coding skills required, you can streamline your workflow and focus on analysis, not query syntax.

REPLACE Syntax in SQL Server

Basic Structure

REPLACE ( string_expression , string_pattern , string_replacement )

• string_expression: The source text or column.

• string_pattern: Substring to find.

• string_replacement: What to replace it with.

Note: The REPLACE function in SQL Server is case-sensitive depending on the column collation, which may differ from other databases.

REPLACE Examples You Can Generate Instantly

Replace incorrect product names in a product table

UPDATE Products
SET ProductName = REPLACE(ProductName, 'Teh', 'The')
WHERE ProductName LIKE '%Teh%';

Standardize phone number formats for customers

SELECT CustomerID, 
       REPLACE(Phone, '-', '') AS CleanPhone
FROM Customers;

Remove spaces from order codes

UPDATE Orders
SET OrderCode = REPLACE(OrderCode, ' ', '')
WHERE OrderCode LIKE '% %';

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Why Use AI2sql Instead of Manual REPLACE Coding

• Save time: Instantly generate complex or repetitive REPLACE queries with zero coding required.

• Reduce syntax errors: AI2sql applies SQL Server's syntax automatically—no need to remember function nuances.

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Switch between SQL databases seamlessly—AI2sql adapts your query for SQL Server or any supported engine.

FAQs

What is the difference between REPLACE in SQL Server and other databases?

SQL Server uses REPLACE(string_expression, pattern, replacement). Syntax can differ by database, so AI2sql ensures you're always using the right version.

Can I use REPLACE on numeric columns?

No; REPLACE works on string data. Convert numeric values with CAST or CONVERT first if needed.

Is REPLACE case-sensitive in SQL Server?

Usually, REPLACE is case-insensitive unless your column collation enforces case sensitivity.

Try AI2sql Generator — instantly build, edit, or adapt REPLACE queries with zero manual effort. Or, Learn REPLACE in detail for SQL Server.

Conclusion

The REPLACE function in SQL Server is a powerful way to correct and standardize text. With AI2sql, you can skip syntax memorization and produce production-ready queries for any business scenario in just 10 seconds. Ready to experience instant SQL generation?
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