This course provides student will a practical introduction to data base management. Student will be introduce to fundamentals of data base management systems and will cover such areas as: data flow within a survey; data set definition and structure; missing and null values; identifying data; types of error; preventing errors; correcting errors; data quality and data validity; interactive data checking; double-entry and validation; consistency checking; joining files; merging files; splitting files; relational systems; follow up and recall list; creating lists and tables summarizing data; graphs and charts; exporting data: summarizing data source and reports.