What is Substring function in Structured Query Language(SQL)

What is Substring function in SQL?
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Chapters:
00:06 Introduction to SUBSTRING Function in SQL
00:11 What is the SUBSTRING Function in SQL?
00:17 Purpose of SUBSTRING in SQL
00:23 Syntax of SUBSTRING Function in SQL
00:32 Practical Example: Using SUBSTRING in SQL
00:48 Extracting First Five Characters in SQL
01:20 Alternative Use Cases of SUBSTRING in SQL
01:32 Extracting First Name Using SUBSTRING in SQL
02:01 Extracting Product ID Code with SUBSTRING in SQL
02:23 Future Topics: Automating SUBSTRING with Other Functions in SQL
02:34 Conclusion and Final Thoughts
02:42 Closing Remarks and Call to Action
Today, we discussed the `SUBSTRING` function, which is used to extract a portion of a string from a larger string. The syntax is `SELECT SUBSTRING(column_name, start_position, length)`. This function is useful for tasks like extracting the first name from a full name or a product code from a string of text.
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