Similar Collections

.

questions

Title
Which of the following commands do we use to delete all the tuples from a relation (R)?
Choose the correct command to delete an attribute A from a relation R
Choose the correct option regarding the above statement
What does the notnull integrity constraint do?
Which of the following keywords is used beside the select clause to explicitly specify that duplicates are not removed?
Which of the following logical connectives is not included in SQL?
The where clause is a predicate involving attributes of the relation in the ______ clause
What does the above query do?
What does the following query do?
The ________ clause is used to list the attributes desired in the result of a query
If we specify multiple relations in the from clause and do not specify any conditions in the where clause, what will the result be?
State true or false: Multiple conditions in the where clause are separated by a “,”
What does the natural join operation do?
Observe the following query and choose the correct option. select name, ID
Which keyword is used to rename a relation in a query?
While operating with strings, what does “_ _ _%” match with?
What is the function of the union operation?
What is the function of the intersect operation?
What is the function of the except operation?
When does the predicate is null succeed?
total questions: 374

Questions

374

Views

4994

Best Answers

299

Points

5