The study was carried out to determine the effect of Google classroom on the academic achievement of undergraduate students in computer database management systems in universities in Enugu state. A quasi-experimental research design was adopted for the study and intact classes were assigned to the treatment group. The population for the study comprised all 136 third-year computer education students in universities in south east Nigeria that offers database management system. Two research questions were posed and two hypotheses were formulated to guide the study. Mean and standard deviation was used to analyze the research question Analysis of covariance (ANCOVA) was used to test the hypotheses of no significant difference at 0.05 level of significance. It was found out that there is no interaction effect, academic achievement of treatment group improved better than control group in the database management system. Based on the findings, it was recommended that lecturers teaching database management systems should integrate into teaching practices, the use of Google classroom in instructional method.