Practice and Study on Maintenance of Databases of College Libraries in Jiangsu Province

It is the common problem that building is given much more priority over maintenance in library database construction.The quality problem of the data is exposed in the collaborative project of the joint construction and sharing of the resources of the college libraries in Huai’ an,Jiangsu Province.This article probes the existing problems of the catalogue data,analyzes the objective causes of the problems as well as provides the specific solutions.