SQL and Relational Theory 2nd Edition
SQL圣经-英文版Chapter1SettingtheSceneChapter2TypesandDomainsChapter3TuplesandRelations,RowsandTablesChapter4NoDuplicates,NoNullsChapter5BaseRelvars,BaseTablesChapter6SQLandRelationalAlgebraI:TheOriginalOperatorsChapter7SQLandRelationalAlgebraII:AdditionalOperatorsChapter8SQLandCo