Proc SQL Quizzes, Questions & Answers

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Chapter 4: Combining Tables Vertically Using Proc SQL

Explore the intricacies of combining tables vertically in PROC SQL with this focused quiz. Topics include UNION, EXCEPT, INTERSECT operations, and understanding column overlay in SQL queries. Essential for learners aiming to...

Questions: 10 | Attempts: 183 | Last updated: Mar 22, 2023

Sample Question 1
Which statement is false with respect to a set operation that uses the EXCEPT, UNION, or INTERSECT set operator without a keyword?

Column names in the result set are determined by the first table.

To be overlaid, columns must be of the same data type.

To be overlaid, columns must have the same name.

By default, only unique rows are displayed in the result set.

Sample Question 2
The keyword ALL cannot be used with which of the following set operators?

EXCEPT

INTERSECT

UNION

OUTER UNION

Sample Question 3
Which PROC SQL step combines the tables Summer and Winter to produce the output displayed below?

proc sql; select * from summer intersect all select * from winter;

proc sql; select * from summer outer union select * from winter;

proc sql; select * from summer union corr select * from winter;

proc sql; select * from summer union select * from winter;

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Chapter 7: Creating And Managing Views Using Proc SQL

Chapter 7: Creating and Managing Views Using PROC SQL

This quiz in Chapter 7 focuses on creating and managing views using PROC SQL. It tests understanding of view operations, such as creation, joining, and querying, enhancing skills in database management and SQL programming.

Questions: 10 | Attempts: 125 | Last updated: Jul 23, 2024

Sample Question
Which of the following statements is false regarding a PROC SQL view?

A view cannot be used in a join.

A view accesses the most current underlying data.

A view follows the same naming conventions as a table.

A view can be used in SAS programs in place of an actual SAS data file.

Chapter 5: Creating And Managing Tables Using Proc SQL

Chapter 5: Creating and Managing Tables Using PROC SQL

Explore the essentials of managing tables in PROC SQL with this quiz from Chapter 5. It covers table creation, row and data manipulation, and understanding integrity constraints. This quiz is ideal for learners aiming to enhance...

Questions: 10 | Attempts: 104 | Last updated: Dec 5, 2023

Sample Question
Which of the following PROC SQL steps creates a new table by copying only the column structure (but not the rows) of an existing table?

proc sql; create table work.newpayroll as select * from sasuser.payrollmaster;

proc sql; create table work.newpayroll like sasuser.payrollmaster;

proc sql; create table work.newpayroll copy sasuser.payrollmaster;

proc sql; create table work.newpayroll describe sasuser.payrollmaster;

Chapter 3. Combining Tables Horizontally Using Proc SQL

Chapter 3. Combining Tables Horizontally Using PROC SQL

This quiz focuses on combining tables horizontally using PROC SQL, specifically through join operations. It tests understanding of Cartesian products, inner joins, and join conditions, enhancing skills in SQL query formulation...

Questions: 10 | Attempts: 159 | Last updated: Aug 23, 2024

Sample Question
A Cartesian product is returned when

Join conditions are not specified in a PROC SQL join.

Join conditions are not specified in a PROC SQL set operation.

More than two tables are specified in a PROC SQL join.

The keyword ALL is used with the OUTER UNION operator.

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