⟩ Explain 2NF?
A relation schema R is in 2NF if it is in 1NF and every non-prime attribute A in R is fully functionally dependent on primary key.
A relation schema R is in 2NF if it is in 1NF and every non-prime attribute A in R is fully functionally dependent on primary key.
Which command displays the SQL command in the SQL buffer, and then executes it?
What will be the output of following query?
What operator tests column for absence of data?
What is the difference between TRUNCATE and DELETE commands?
What does the following query do?
State true or false. EXISTS, SOME, ANY are operators in SQL?
Which command executes the contents of a specified file?
What is the use of DESC in SQL?
Which function is used to find the largest integer less than or equal to a specific value?
What are the wildcards used for pattern matching.?