Vignesh Saravanan

dbms up ooad innovative practices frequency distributions tables describing data ds life cyle process data science ml bayes sales ooad sales case study pos class diagram unified process elaboration revoke grant rollback savepoint constrains in dbms unique primary key not null check default integirty constrains tcl dcl er models classroom activities group learning er diagram collaborative learning jigsaw students feedback teaching reflection relational algebra db algebra relational expressions algebra relational model database components db concepts intro to database intro to db database architecture db