Solutions for Oracle 12c: SQL
Problem 1RQ:
Which command is used to create a table based on data already contained in an existing table?
Problem 6RQ:
What happens to the existing rows of a table if the DEFAULT value of a column is changed?
Problem 9RQ:
What happens if you try to decrease the scale or precision of a NUMBER column to a value less than...Problem 10RQ:
Are a table and the data contained in the table erased from the system permanently if a DROP TABLE...Problem 1MC:
Which of the following is a correct statement?
You can restore the data deleted with the DROP COLUMN...Problem 3MC:
Which of the following is not a correct statement?
A table can be modified only if it doesn’t...Problem 4MC:
Which of the following is not a valid SQL statement?
CREATE TABLE anothernewtable (newtableid...Problem 5MC:
Which of the following is true? a. If you truncate a table, you cant add new data to the table. b....Problem 6MC:
Which of the following commands creates a new table containing a virtual column? a. CREATE TABLE...Problem 7MC:
Which of the following commands drops any columns marked as unused from the SECUSTOMERORDERS...Problem 8MC:
Which of the following statements is correct?
A table can contain a maximum of only one column...Problem 9MC:
Which of the following commands removes all data from a table but leaves the tables structure...Problem 10MC:
Which of the following commands changes a table’s name from OLDNAME to NEWNAME?
RENAME oldname TO...Problem 12MC:
Which of the following is not a valid statement?
You can change the name of a table only if it...Problem 14MC:
Which of the following is true?
All data in a table can be recovered if the table is dropped with...Problem 16MC:
Which of the following commands creates a new table containing two columns?
CREATE TABLE newname...Problem 17MC:
Which of the following is a valid table name? a. 9NEWTABLE b. DATE9 c. NEWTABLE d. None of the above...Problem 1HOA:
Create a new table containing the category code and description for the categories of books sold by...Problem 2HOA:
Create a new table containing these four columns: Emp#, Lastname, Firstname, and Job_class. The...Problem 3HOA:
Add two columns to the EMPLOYEES table. One column, named EmpDate, contains the date of employment...Problem 4HOA:
Modify the Job_class column of the EMPLOYEES table so that it allows storing a maximum width of two...Problem 6HOA:
Rename the EMPLOYEES table as JL_EMPS.
Problem 7HOA:
Create a new table containing these four columns from the existing BOOKS table: ISBN, Cost, Retail,...Browse All Chapters of This Textbook
Chapter 1 - Overview Of Database ConceptsChapter 2 - Basic Sql Select StatementsChapter 3 - Table Creation And ManagementChapter 4 - ConstraintsChapter 5 - Data Manipulation And Transaction ControlChapter 6 - Additional Database ObjectsChapter 7 - User Creation And ManagementChapter 8 - Restricting Rows And Sorting DataChapter 9 - Joining Data From Multiple TablesChapter 10 - Selected Single-row Functions
Book Details
Now you can master the latest version of the fundamental SQL language used in all relational databases today with ORACLE 12C: SQL, 3E. Much more than a study guide, this edition helps you transform a basic knowledge of databases into proficiency with the latest SQL and Oracle concepts and techniques. You learn to use Oracle 12c SQL most effectively as you prepare for the first exam in the Oracle Database Administrator or Oracle Developer Certification Exam paths. This edition initially focuses on creating database objects, including tables, constraints, indexes, sequences, manipulating data, and more. The author then explores both basic data query techniques as well as advanced query topics using a proven hands-on approach. ORACLE 12C: SQL, 3E introduces the latest features and enhancements in 12c, from enhanced data types and invisible columns to new CROSS and OUTER APPLY methods for joins. To help you transition to further studies and even more advanced books in this series, appendixes introduce SQL tuning, compare Oracle's SQL syntax with other databases, and overview Oracle connection interface tools: SQL Developer and SQL Plus. Trust ORACLE 12C: SQL, 3E to provide the knowledge you need for Oracle certification testing and the solid foundation for pursuing a career as a database administrator or developer.
Sample Solutions for this Textbook
We offer sample solutions for Oracle 12c: SQL homework problems. See examples below:
Purpose of an E-R model: Entity-Relationship Model (ERM) is used as a high-level logical data model...Data dictionary: Data dictionary is referred as the components of Database Management System (DBMS)...Chapter 3, Problem 1RQChapter 4, Problem 1RQChapter 5, Problem 1RQ“WHERE” clause: The “WHERE” clause is used to limit the number of rows. The “WHERE” clause is used...Chapter 10, Problem 1RQ
More Editions of This Book
Corresponding editions of this textbook are also available below:
Oracle 10g: SQL
1st Edition
ISBN: 9781418836290
EBK ORACLE 12C: SQL
3rd Edition
ISBN: 9781305465305
Bundle: Oracle 12c: SQL, 3rd + SAM 365/2016 Assessment, Training and Projects v1.0 Single-Term Printed Access Card
3rd Edition
ISBN: 9781337575058
EBK ORACLE 12C: SQL
3rd Edition
ISBN: 8220101292070
ORACLE 12C: SQL
17th Edition
ISBN: 9781305449947
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