ابزار tools

ping ip -t -1 50000


check port is open or not
windows powershell

tmc ip -port 3307


ip & port scanner software 

PortQryUI


ems my manager for mysql ver 5.7.2 pass: www.p30download.com


SET FOREIGN_KEY_CHECKS = 0;


find field in database – information schema

select f.table_name from information_schema.columns f
where f.table_schema=’db_name’
and f.column_name=’Field_name’