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  1. MySQL INSTR () Function - W3Schools

    Definition and Usage The INSTR () function returns the position of the first occurrence of a string in another string. This function performs a case-insensitive search. Syntax INSTR (string1, …

  2. How to Use INSTR in SQL? Find Substrings Easily with Examples

    Feb 9, 2024 · Through these examples and tips, I’ve shown how the INSTR function can be a powerful tool in your SQL toolkit. With practice, it’ll become second nature to manipulate and …

  3. INSTR - Oracle Help Center

    The INSTR functions search string for substring. The search operation is defined as comparing the substring argument with substrings of string of the same length for equality until a match is …

  4. MySQL INSTR () Function: Usage & Examples - DataCamp

    Learn how to use the MySQL `INSTR ()` function to find substring positions within strings. Explore syntax, examples, and best practices for efficient string manipulation.

  5. Oracle INSTR Function

    In this tutorial, you have learned how to search and return the position of a substring in a string. Was this tutorial helpful? The Oracle INSTR () function searches for a substring in a string and …

  6. How to implement the SQL INSTR () function? | DigitalOcean

    Aug 3, 2022 · The INSTR () function returns an integer value stating the index of the first occurrence of the string to be searched. Now let us understand the implementation of the …

  7. SQL QUERY EXAMPLES

    SQL INSTR function is used to search a character or string of characters in a specific set of characters and report the position of those characters. You can specify a starting positionfor …

  8. A Complete Guide to the MySQL INSTR () Function

    Jun 25, 2025 · Whether you’re validating data, parsing strings, or optimizing search operations, understanding INSTR() can make your SQL queries more precise. Let’s explore how this …

  9. MySQL INSTR () Function Explained - phoenixNAP

    Jun 5, 2025 · The function simplifies string search and helps locate substrings in larger text fields. This guide explains what the INSTR() function is and shows example usage.

  10. Learn INSTR in SQL: The Only Guide You Need - Simplilearn

    Sep 10, 2025 · The function INSTR in SQL seeks out substrings in a string and is a widely-used SQL function. Learn the Insert syntax, INSTRA () parameter arguments, and more!