What is a db view?
What is the use of commit?
What is a covering index?
What is difference between count (*) and count 1?
What is normalization process?
What is difference between rownum and row_number?
What is meant by indexing files?
What is candidate key with example?
What is the purpose of optimization?
What is the full form of ddl?
What is the difference between indexing and hashing?
What is difference between rownum and rowid?
What is a document index?
What is difference between joins and subqueries?
What is a rownum?