Liang jingbin ( wabjtam123): The vice director of Fujian Fujitsu Communication Research Institute，super expert of Fujian Fujitsu Communication Software Co.,Ltd， four-star internal trainer of Company，the moderator of and the community expert ITpub forum, and the senior technical consultant of Fujian Software association. He has been working in the telecom industry for more than ten years. He is being in charge of system architecture design, optimizing and training, has plenty of experience in database management, design, developing training and telecom industry. He has a wide range of influence and good reputation in the industry. He published lots of Recommends in ITpub forum. Some wonderful technique novels such as “Xiao Yu buying fish”, ” The mystery of Wu dynasty” are fresh and amazing and enlighten the classmates of the community. He was invited to attend database technology conference in China as a guest speaker for many times. He wrote several popular datebase technology book. His magnum opus ” Harvest, more than oracle” has become the classic bestseller in the datebase field. And the new book “Harvest, more than SQL optimizing” will appear shortly.