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How to change UserID and Password in Oracle. what are differenct types of joins. explain outer join. How to print output in Oracle. what is a data control component. why do we use DBMS ? what are logical objects in RDBMS (tables & views). what do you know about IDL? can we maintain mirror data in different databases. Data Integrity constraint is (a)to ensure the presence of primary key What is indexing in databases? What is atomicity? What is DBMS and RDBMS ? types of DBMS,queries Difference between Unique and primary what is a cursor types of cursors normalization normal forms whis is the best normal form what is an os what exactly os consists ? Types of joins ? what is a trigger ? can we create a table in oracle which is not in first normal form difference between dbms and rdbms sql queries |