Relational Database Management Systems
Chapter Exam Questions
Course Introduction
Relational Database Management Systems (RDBMS) is a foundational course that introduces students to the principles, design, implementation, and management of modern relational databases. The course covers the relational data model, entity-relationship modeling, normalization, relational algebra, Structured Query Language (SQL), and transaction management. Students learn to design efficient databases, write complex queries for data manipulation and retrieval, manage database integrity and security, and understand concurrency control and recovery methods. The course emphasizes practical skills through hands-on projects using industry-standard RDBMS platforms, preparing students for real-world data management and application development.
Recommended Textbook
Oracle 10g Database Administrator Implementation and Administration 2nd Edition by
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Page 2
Gavin Powell
Chapter 1: Oracle Architecture Overview
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Sample Questions
Q1) The OFA standards call for naming files according to their type and sequence of creation.
A)True
B)False
Answer: True
Q2) When installing Oracle10g on Windows 2000,you should not install Service Pack 3 before installing the Oracle software because it has some incompatibility issues with Oracle.
A)True
B)False
Answer: False
Q3) Each datafile belongs to one ____________________ in a database.
Answer: tablespace
Q4) The ____ tool allows you to create and run queries,add rows,modify data,and write reports using SQL.
A) PL / SQL
B) SQL*Plus
C) Forms
D) SQLJ
Answer: B
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Chapter 2: Tools and Architecture
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Sample Questions
Q1) To start Net Manager in Unix or Linux,type ____ on the command line of a shell.
A) sqlplus
B) sql+
C) sqlmgr
D) netmgr
Answer: D
Q2) The PGA is allocated when an instance is started and is deallocated when the instance is shut down.
A)True
B)False
Answer: False
Q3) The ____ improves response time for background processes and for backup and recovery processes.
A) streams pool
B) large pool
C) redo log buffer
D) shared pool
Answer: B
Q4) The ____________________ monitors activities in the database.
Answer: Instance Manager
Page 4
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Chapter 3: Creating an Oracle Instance
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Sample Questions
Q1) SHUTDOWN ____ simply stops all Oracle processes,and releases all memory buffers.
A) NORMAL
B) TRANSACTIONAL
C) IMMEDIATE
D) ABORT
Answer: D
Q2) Control files are created when the database is created,based on the ____________________ parameter in the initialization parameter file.
Answer: CONTROL_FILES
Q3) Clean up processing required by SHUTDOWN NORMAL during the shutdown process is just as fast as recovery processing caused to the subsequent startup as a result of a SHUTDOWN ABORT.
A)True
B)False
Answer: True
Q4) When starting up the database without specifying ____________________,the SPFILE in the ORACLE_HOME / database directory will be used to retrieve parameters.
Answer: PFILE
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Chapter 4: Oracle Physical Architecture and Data
Dictionary Views
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Sample Questions
Q1) An Oracle database,as a whole,is made up of a number of integrated parts,otherwise known as the Oracle ____________________ and the Oracle database.
Q2) You must multiplex the control file to ensure against total loss of the file. A)True B)False
Q3) Oracle-managed log groups may be added to OMF databases by using the following command: ____.
A) ALTER DATABASE ADD LOG;
B) ALTER DATABASE ADD GROUP;
C) ALTER DATABASE ADD LOGFILE; D) ALTER DATABASE ADD LOGGROUP;
Q4) The users SYS and SYSTEM are the default DBA users. A)True B)False
Q5) Undo or ____________________ data can be used to undo non-committed changes in a database.
Q6) Oracle streams cannot be updated. A)True B)False
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Chapter 5: Basic Storage Concepts and Settings
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Sample Questions
Q1) Extents always belong to one datafile.
A)True
B)False
Q2) All critical errors need to be sent to the trace files.
A)True
B)False
Q3) ____ extents are automatically coalesced with any neighboring free space.
A) Segmented
B) Contiguous
C) Deallocated
D) Joined
Q4) You can look at the ____ parts of an Oracle database within the operating system
A) physical
B) logical
C) metadata
D) server
Q5) Segment space management applies only to ____________________ managed tablespaces.
Q6) A(n)____________________ is the set of extents that make up one schema object within a tablespace.
Page 7
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Chapter 6: The Basics of Querying a Database
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Sample Questions
Q1) ____ pattern matches between strings;those strings are expressions.
A) LIKE
B) HAVING
C) WHERE
D) AS
Q2) ____________________ SQL functions convert values such as numbers to strings.
Q3) EXISTS is sometimes faster than IN.
A)True
B)False
Q4) Provide an example of a join query.
Q5) A likely use of sequences is for surrogate foreign key generation.
A)True
B)False
Q6) The ____ set operator returns distinct rows from both queries.
A) UNION ALL
B) INTERSECT
C) MINUS
D) DISTINCT
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Q7) The NULLS ____________________ clause can be used in conjunction with an ascending sort to return NULL values first.
Chapter 7: Basic Table Management
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Q1) With ____ partitioning,you are actually partitioning the data and then partitioning the data within each partition.
A) composite list-hash
B) composite range-hash
C) subpartitioning
D) bipartitioning
Q2) In Oracle 10g release 2 (10.2)each database has its own Database Control service running on a Windows computer (selected when creating the database using the ________________________________________ tool.)
Q3) A subpartition ____________________ describes all the subpartitions once and then all the partitions that use it.
Q4) The ____ datatype is a text string with variable length up to 4000 bytes.
A) CHAR
B) NCHAR
C) CHAR2
D) VARCHAR2
Q5) What is an object type?
Q6) What is XML?
Q7) Tables are made up of rows and ____________________.
Page 9
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Chapter 8: Advanced Table Management
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Sample Questions
Q1) The pointer that directs the database to the actual location of the value is called the ____ locator for external LOBs.
A) internal
B) external
C) BFILE
D) LOB
Q2) Internal LOBs use ____ semantics.
A) value
B) reference
C) copy
D) write
Q3) The large majority of relational data is stored in ____ tables.
A) schema
B) index-organized
C) heap-organized
D) LOB
Q4) An index-organized table does not have an index.
A)True
B)False
Q5) LONG and ____________________ are deprecated.
Page 10
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Chapter 9: Constraints, indexes, and Other Specialized Objects
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Sample Questions
Q1) A constraint ____ is the attribute that tells Oracle 10g how to use the constraint when data is added to the table.
A) attribute
B) state
C) value
D) restriction
Q2) The ____________________ view (and its corresponding DBA and USER views)contains the definition of a sequence.
Q3) Constraints are enabled by default when you create them.
A)True
B)False
Q4) You should use the NOT NULL constraint for columns holding essential information.
A)True
B)False
Q5) The syntax for adding a CHECK constraint with CREATE TABLE and ALTER TABLE is quite different.
A)True
B)False
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Chapter 10: Basic Data Management
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Sample Questions
Q1) In relational database terminology a(n)____________________ is a sequence of one or more DML statement-induced database changes,not yet permanently committed to that database.
Q2) The ____________________ statement permits control of a transaction as a whole from the first DML statement through to a transaction completion statement or event.
Q3) An external table can be created and loaded using a(n)____ subquery clause.
A) LIKE
B) AS
C) EQUAL
D) IN
Q4) The single table INSERT statement is used to insert rows into a single table,some tables,or all of a group of tables.
A)True
B)False
Q5) The metadata of an external table is stored in the database.
A)True
B)False
Q6) The ____________________ statement places a lock on an entire table.
12
Q7) The locking mode ____________________ prohibits changes and allows queries only.
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Chapter 11: Advanced Data Management
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Sample Questions
Q1) Oracle requires a single quote to apply a(n)____________________ to the second,ignoring the quote as a string terminator.
Q2) The ____ statement has both search condition and selector-expression variations.
A) IF
B) CASE
C) GOTO
D) FORALL
Q3) The PL / SQL ____________________ datatype stores a TRUE,FALSE or null value.
Q4) The CHAR datatype in SQL*Loader is different from the CHAR datatype in an Oracle 10g table.
A)True
B)False
Q5) By reference (BYREF)implies that a variable is a pointer and can be passed into,but not out of,a procedure within procedure parameters.
A)True
B)False
Q6) The idea of the export and import utility is to allow a copy from a database of a complete set of data and its ____________________.
Q7) The ____________________ loop iterates through a known set of values.
Page 13
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Chapter 12: Security Management
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Sample Questions
Q1) You should click on the ____ tab of a user's property sheet (available in the Security Management section of the Enterprise Manager console)to see a list of the quotas for each tablespace.
A) General
B) Role
C) System
D) Quota
Q2) To view the resource settings for the system,you should type and run this query: ____.
A) SELECT * FROM RESOURCES;
B) SELECT * FROM RESOURCE_SETTING;
C) SELECT * FROM RESOURCE_SETTINGS;
D) SELECT * FROM RESOURCE_COST;
Q3) ____ shows privileges belonging to the current user.
A) USER_PRIVILEGES
B) USER_PRIVS
C) USER_SYS_PRIVS
D) USER_OBJ_PRIVS
Q4) What are the two types of users that can be created? What command is used to create users?
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Chapter 13: Performance Monitoring
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Sample Questions
Q1) Generally,____________________ statistics record the number of rows in tables and the physical size of data.
Q2) It is recommended to leave the STATISTICS_LEVEL parameter permanently set to ALL.
A)True
B)False
Q3) A transaction is terminated on the execution of a(n)____ command (explicit or implicit),or when a ROLLBACK command is issued.
A) COMMIT
B) END
C) EXIT
D) FINISH
Q4) The internal Oracle 10g Scheduler executes the GATHER_STATS_JOB job on a daily basis,by default.
A)True
B)False
Q5) Describe the files generated by SQL Trace.
Q6) In terms of an Oracle 10g database,____________________ is a measure of how fast the database reacts to access data in the database.
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Chapter 14: Proactive Maintenance
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Sample Questions
Q1) When an SQL Access Advisor job that has been scheduled has completed executing,an status of ____ is indicated in the Database Control.
A) COMPLETED
B) FINISHED
C) DONE
D) ENDED
Q2) The ____advisor warns and alerts with respect to potential instance recovery,potential media recovery,and potential flashback recovery.
A) Memory
B) Undo Management and Undo
C) ADDM
D) Segment
Q3) The ____________________ of a relational database contains all system metadata and application tables,indexes,materialized views,and so on.
Q4) An increase in database buffer cache size might help performance a little.
A)True
B)False
Q5) SGA stands for ____________________.
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Chapter 15: Backup and Recovery
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Q1) A(n)____________________ is a little like a Unix pipe where data can simply be pushed onto the pipe and pulled off the pipe at the other end of it.
Q2) Typically OLTP databases are customer facing,whereas a data warehouse contains historical information.
A)True
B)False
Q3) ____ failure is rare because of many modern striping and mirroring utilities using specialized hardware such as RAID arrays.
A) Media
B) User
C) Application
D) Oracle Database-Induced
Q4) If a datafile is restored from a backup,then the controlfile will be behind of the datafile in time.
A)True
B)False
Q5) Recovery can be executed up to a point,but an automated recovery will use ______________________________ to determine what is updated,and up to when.
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