Exam 7: Advanced SQL
Exam 1: The Database Environment and Development Process116 Questions
Exam 2: Modeling Data in the Organization103 Questions
Exam 3: The Enhanced E-R Model103 Questions
Exam 4: Logical Database Design and the Relational Model102 Questions
Exam 5: Physical Database Design and Performance103 Questions
Exam 6: Introduction to SQL105 Questions
Exam 7: Advanced SQL107 Questions
Exam 8: Database Application Development105 Questions
Exam 9: Data Warehousing103 Questions
Exam 10: Data Quality and Integration105 Questions
Exam 11: Big Data and Analytics102 Questions
Exam 12: Data and Database Administration110 Questions
Exam 13: Distributed Databases100 Questions
Exam 14: Object-Oriented Data Modeling105 Questions
Select questions type
The following query will execute without errors.
select customer.customer_name, salesman.sales_quota
from customer
where customer.salesman_id =
(select salesman_id
where lname = 'SMITH');
(True/False)
4.9/5
(79)
IF-THEN-ELSE logical processing cannot be accomplished within an SQL statement.
(True/False)
4.7/5
(85)
What strategies can be used to write queries that run more efficiently?
(Essay)
4.9/5
(71)
Transaction integrity commands are not used to identify whole units of database changes that must be completed in full for the database to retain integrity.
(True/False)
4.7/5
(89)
________ takes a value of TRUE if a subquery returns an intermediate results table which contains one or more rows.
(Multiple Choice)
4.8/5
(93)
A named set of SQL statements that are considered when a data modification occurs are called:
(Multiple Choice)
4.8/5
(71)
The ________ DBA view shows information about all users of the database in Oracle.
(Multiple Choice)
4.8/5
(85)
The UNION clause is used to combine the output from multiple queries into a single result table.
(True/False)
4.8/5
(80)
SQL:2008 allows one to calculate linear regressions, moving averages and correlations without moving the data outside of the database.
(True/False)
4.8/5
(76)
The joining condition of an equi-join is based upon an equality.
(True/False)
5.0/5
(88)
The following code is an example of a(n): SELECT Customer_T.CustomerID, Order_T.CustomerID,
CustomerName, OrderID
FROM Customer_T, Order_T
WHERE Customer_T.CustomerID = Order_T. CustomerID;
(Multiple Choice)
4.9/5
(94)
Establishing IF-THEN-ELSE logical processing within an SQL statement can be accomplished by:
(Multiple Choice)
4.8/5
(89)
EXISTS takes a value of false if the subquery returns an intermediate result set.
(True/False)
4.9/5
(75)
The following code would include:
SELECT Customer_T.CustomerID,CustomerName, OrderID
FROM Customer_T LEFT OUTER JOIN Order_T ON
Customer_T.CustomerID = Order_T.CustomerID;
(Multiple Choice)
4.8/5
(80)
A join in which the joining condition is based on equality between values in the common column is called an equi-join.
(True/False)
5.0/5
(74)
Showing 41 - 60 of 107
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)