Exam 9: Joining Data From Multiple Tables
Exam 1: Overview of Database Concepts108 Questions
Exam 2: Basic SQL Select Statements121 Questions
Exam 3: Table Creation and Management136 Questions
Exam 4: Constraints132 Questions
Exam 5: Data Manipulation and Transaction Control136 Questions
Exam 6: Additional Database Objects138 Questions
Exam 7: User Creation and Management130 Questions
Exam 8: Restricting Rows and Sorting Data132 Questions
Exam 9: Joining Data From Multiple Tables119 Questions
Exam 10: Selected Single-Row Functions133 Questions
Exam 11: Group Functions137 Questions
Exam 12: Subqueries and Merge Statements131 Questions
Exam 13: Views133 Questions
Select questions type
If a Cartesian join is used to link table A which contains two rows to table B which contains eight rows,there will be sixteen rows in the results.
(True/False)
4.9/5
(39)
The UNION set operator will not suppress rows that are returned by both queries.
(True/False)
4.8/5
(44)
When two tables that share more than one common column are being joined,the JOIN...____________________ keywords are normally used in the FROM clause to join the tables.
(Short Answer)
4.7/5
(36)
Set operators are used to combine the results of multiple queries.
(True/False)
4.9/5
(32)
Using the JOIN...____________________ keywords to join two tables requires that a condition be specified to indicate how the tables are related.
(Short Answer)
4.8/5
(25)
If a table alias is assigned in the SELECT clause,it must be used any time the table is referenced in that SQL statement._________________________
(True/False)
4.9/5
(34)
A table alias can have a maximum of ____________________ characters.
(Short Answer)
4.9/5
(34)
Data stored in multiple tables can be combined through the use of an ORDER BY clause.
(True/False)
5.0/5
(32)
By default,the JOIN keyword creates an inner join._________________________
(True/False)
4.8/5
(40)
The ____________________ set operator is used to display the combined results returned by multiple SELECT statements.
(Short Answer)
4.8/5
(38)
A(n)____________________ join is required when a table must be joined to itself.
(Short Answer)
4.8/5
(35)
A(n)____________________ is an alternate name temporarily assigned to a table.
(Short Answer)
4.9/5
(39)
Which of the following set operators will display only the unique results of the combined SQL statements?
(Multiple Choice)
4.8/5
(33)
A table alias can be assigned in the FROM clause,even when tables are being joined using the NATURAL JOIN keywords.
(True/False)
4.9/5
(29)
A join based upon a column from each table containing equivalent data is known as a(n)____.
(Multiple Choice)
5.0/5
(31)
The outer join operator can only be used in the ____________________ clause.
(Short Answer)
4.9/5
(28)
If the first table in a Cartesian join has five rows and the second table has three rows,the results will consist of ____________________ rows.
(Short Answer)
4.8/5
(35)
An inequality join refers to a join that is used to link a table to a copy of itself.
(True/False)
4.9/5
(39)
The number of joining conditions required to join tables is always one less than the number of tables being joined.
(True/False)
4.8/5
(26)
Showing 101 - 119 of 119
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)