from other tables by appending a custom result to the original query.
: How automated tools detect these specific UNION -based patterns. from other tables by appending a custom result
The specific syntax you provided ( UNION ALL SELECT 34,'qbqvq'||'uCXRWiFuos'||'qqbqq',34... ) is a common technique used in security testing to: in a database table. Identify which columns can display string or numeric data. from other tables by appending a custom result
Information on against these types of queries. from other tables by appending a custom result
Assistance with for a legitimate data analysis project. Set Operators - UNION (Transact-SQL) - Microsoft Learn
If you are looking for academic research on this topic, you might be interested in papers covering:
: Techniques like prepared statements and parameterized queries.