Exam 312-49v10 topic 1 question 790 discussion

A cybersecurity forensic investigator analyzes log files to investigate an SQL Injection attack. While going through the Apache across.log, they come across a GET request from the IP 10.0.0.19 containing an encoded query string:

GET /sqli/examplel.php?name=root' UniON SeLeCT 1,table_name,3,4,5 From information_schema.tables where Table_Schema=DatabasE() limit 1,2---

What is the intention behind the attacker’s query?