How can I extract specific alphanumeric characters from a given string in a SQL database based on their position in the string, specifically at positions 7, 12, and 23? Can you provide an SQL query code for this task?
user
{"source": "evol_instruct", "kind": "synthetic", "evolved_from": null}
How can I extract specific alphanumeric characters from a given string in a SQL database based on their position in the string, specifically at positions 7, 12, and 23? Can you provide an SQL query code for this task?
user
DUMMY RESPONSE
assistant