Wednesday 1 August 2012

MC0067,Oracle 9i


 

Oracle 9i

PART –A


Q1. Oracle 9i belongs to :
            A. RDBMS                                B. ORDBMS
            C. NDBMS                                D. HDBMS
Q2. COMMIT command belongs to ……………………. Category of SQL.
            A. Data Definition Language                    B. DML
            C. TCL                                      D. None of these
Q3. …………… command is used to remove table from the database.
            A. Dekete                                              B. Drop
            C. Update                                              D. None of these
Q4. Maximum length of a table name  is …………….
            A. 10                                                    B. 20
            C. 30                                                    D. 15
 Q 5. A table can have  only ………….  Primary key.
            A. One                                                  B. Two
            C. Three                                                D. Any No.
Q6. ………………. Function is not a date function.
            A. Add_months                                      B. To_Date
            C. Months_Between                               D. None of these
Q7. ………………..command is used to set the page dimentions .
            A. Newpage                                           B. LineSize
            C. PageSize                                          D. All of these
Q8. A ………. Loop can be used instead of explicit cursors to simplify coding.
            A. For                                                   B. Cursor For
            C. While                                                D. None of these
Q9. A database is divided into  logical structures called as  :
            A. Data Dictionary                                  B. Table spaces
            C. Objects                                             D. All of these
Q 10 ……………… is created whenever a database is created.
            A. Domain                                             B. Object
            C. Data Dictionary                                  D. None of these
Q 11. Userdefined exceptions  must be raised explicitly by using :
            A. RAISE                                              B. EXPLICIT
            C. CREATE                                           D. DEFINE
Q12. Which of these is not a type of segments :
            A. Data segment                                    B. Sequence segment
            C. Rollback segment                              D. Temporary segment
Q 13.  A group of shared memory structures that contain data and control information for one Oracle database instance , is called :
            A. Primary Memory                                B. System Global Area
            C. System Process Storage                   D. None of these
Q 14. The function of Process Monitor is  :
            A. Top cleanup abnormally terminated processes.
            B. Restart the computer
            C. Both A and B
            D. None of these
Q 15.  The failed transactions are resolved by  …………… process.
            A. CheckPoint                                       B. Recover(RECO)
            C. arc0                                                  D. All of these
Q 16. The node that originates the distributed transaction, is called :
            A. Client                                                B. Local Coordinator
            C. Global CoOrdinator                            D. None of these
Q 17 Which of the following is true about a commit point site  :
            A. The commit point site never enters in the prepared state.
            B. The commit point site has the maximum commit strength point.
            C. Both A and B.
            D. None of these
Q 18 A Distributed transaction can become in-doubt in the following ways :
            A. A server machine running Oracle software crashes.
            B. An unhandled  software error occurs.
            C. Network connections , between Oracle databases is disconnected.
            D. All of the above.
Q 19 The following process is used to resolve the in-doubt transations :
            A. REDO                                               B. RECO
            C. LOG REDO                                       D. None of these
Q 20. The …… is used to managing request between HTML and Java
            A. JDBC                                                B. Servlets
            C. CORBA                                            D. All of the above
Q 21. In a distributed database environment, database’s network domain is specified by :
            A. DB_DOMAIN                                     B. DOMAIN_NAME
            C. NETWORK_DOMAIN                         D. None of these
Q 22. You can not perform the following operations using database links :
            A. Grant privileges on remote objects      
            B. Analyze remote objects
            C. Grant roles to users in a remote database
            D. All of the above
Q 23. Which of the following is not a component of a global object name  :
            A. Object Name                                     B. DataBase name
            C. Domain                                             D. All of the above
Q 24. Which of the following is a benefit of location transparency :
            1. Access to remote data is simple.
            2. Administrators can move database objects with no impact on end-users.
            3. Network speed improves.
            A. 1,2 and 3                                          B. 1 and 3
            C. 1 and 2                                             D. 2 and 3
Q 25. Each commited transaction has an associated ……….. to uniquely identify the changes :
            A. Transaction Change Number(TCN)       B. System Change Number(SCN)
            C. Transaction ID                                   D. None of these
Q 26 Distributed query optimization is a feature that :
            A. reduces the amount of data transfer between sites.
            B. performs the memory de-allocation after transaction.
            C. Both A and B
            D. Neither A or B
Q 27. The …………function is used to a string in upper case.
            A. INITCAP()                                          B. UPPER( )
            C. TRANSLATE( )                                  D. UPPERALL( )
Q 28. The following function is used to truncate spaces from a string :
            A. TRIM( )                                             B. LTRIM( )
            B. RTRIM( )                                           D. All of these
Q 29. The ……….. function return the User environment information .
            A. ENVIRONMENT( )                             B. USERENVIRONMENT( )
            C. USERENV( )                                     D. USERINFO( )
Q 30. The ……….. function is not a group value function.
            A. COUNT( )                                          B. LAST( )
            C. AVG( )                                              D. SQRT( )
Q 31 The …………. Is responsible for REDO LOG Buffer management.
            A. System Monitor(smon)                       B. Log Writer(lgwr)
            C. Check Point (ckpt)                             D. All of These
Q 32 The combination of several contiguous data blocks is called ……………….
            A. Segments                                         B. TableSpace
            C. Extents                                             D. None of these
Q 33. Which of the following is not a client installation type?
            A. Administrator                                     B. RunTime
            C. Custom                                             D. Typical
Q 34. …………….. is a DDL statement.
            A. Update                                              B. Create
            C. Select                                               D. All of these
Q 35. Select the incorrect statement for table name :
            A. First letter of a table name should be an alphabet.
            B. Maximum length is upto 32 characters.
            C. Underscore and numbers are allowed.
            D. All of these are correct.
Q 36. NOT NULL is a …………… constraint.
            A.Entity Integrity                                    B. Unique
            C. Domain Integrity                                D. None of these
Q 37. A composite unique key can contain upto …….. columns.
            A. 8                                                      B. 16
            C. 20                                                    D. 32
Q 39. Which of the following is not related with referential integrity :
            A. Child Table                                        B. Master Table
            C. Parent Table                                      D. Foreign Key
Q 40. The size of long data type object is :
            A. 1 GB                                                B. 2GB
            C. 3GB                                                 D. 4GB


PART – B

Note : Each uestion in this section carries 2 marks.
Q 41. …………… and ……… constraints fall under Domain Integrity Constraint.
            A. Not Null, Primary Key                        B. Not Null, Check
            C. Both A and B                                    D. Neither A nor B
Q 42. …………… would be the output of Select mod(3,10) from dual.
            A. 0                                                      B. 1
            C. 10                                                    D. 3
Q 43. Locks can be acquired at two different levels. They are………. And ………..
            A. Attribute Level, Tuple Level                 B. Row Level, Table level
            C. Both A and B                                    D. None of these
Q 44. There are two types of exceptions. They are :
            A. PreDefined, User-Defined                    B. Simple, Complex
            C. Static, Dynamic                                 D. None of these
Q 45. ……………….. and ……….. are explicit cursor attributes.
            A. %found and %notfound                       B. %isopen and %isclose
            C. Both A and B                                    D. None of these
Q 46. ………….. and ………… are two types of programs, supported by PL/SQL.
            A. Triggers, Sequence                            B. Procedures, Functions
            C. Both A and B                                    D. None of these
Q 47. An Oracle 9i database system has two types of processes namely ………… and ……
            A. User, System                                    B. User, Oracle9i
            C. System, Oracle 9i                              D. None of these
Q 48. Oracle 9i database s a collection of ……. And is treated as a ………….
            A. Domain, entity                                   B. Data, Unit
            C. Both A and b                                     D. None of these
Q 49. Two types of failures are ….. and …….
            A. Timing, Server Crash                          B. Client, Server
            C. Both A and B                                    D. None of these
Q 50. ……………. And ……. Are security mechanism techniques :
            A. Cryptography, Access Control            B. Cryptography, Authentication
            C. Authentication, Access Control           D. All of these

PART – C

Note : Each question in this section carries 4 marks.
Q 61. Match the following :
            Set A :
            a. IN                b. LIKE                  c. AND               d. >          e. +
            Set B :
            i. Arithmetic Operator                             ii. List of Values iii. Logical
            iv. Character Pattern                               v. Relational

            A. a-v, b-iv, c-iii, d=ii, e-I                         B. a-ii, b-iv, c-iii, d-v, e-I
            C. a-i, b-iv, c-iiii, d-ii, e-v                          D. a-v, b=I, c-ii, d-iii, e-iv
Q 62. Which one is a column or combination of columns included in the definition of referential integrity that would refer to a referenced key ?
            A. Referenced key                                 B. Parent Key
            C. Child table                                         D. Foreign key
Q 63. While using the insert command :
            1. values are separated by commas.
            2. Datatypes number and date are enclosed in apostrophes.
            3. values must be entered in the same order as they are defined in the table.
            A. 1, 2 and 3                                         B. 2 and 3
            C. 1 and 2                                             D, 1 and 3

Q 64. Which operator are used in conditions to compare one expression with another ?
            1 Arithmetic operator                             
            2. Logical  operator
            3.  Comparison Operator                        
            A. Only 2                                              B. 1 and 2
            C. 2 and 3                                             D. only 3
Q 65. The precedence of operators are given below:
            1. Arithmetic operator
            2. Comparison operator
            3. NOT logic operator
            4. AND logic operator
            5. OR logic operator
            A. 1,2,3,4,5                                           B. 1,2,4,3,5
            C. 2,1,4,3,5                                           D. 2,1,5,4,3
Q 66. Following are different types of join :
            1. Simple Join
            2. Inner join
            3. Self join
            4. Outer join

            A. 1,2,3 and 4                                        B. 1,3,and 4
            C. 2,3 and 4                                          D. 1.2 and 4
Q 67. Choose improper statement with reference to index :
            1. is a database object
            2. may contain upto 18 colums
            3. columns of type long, long raw cannot be indexed.
            4. are dependent of data
            A. 1 and 3                                             B. 2 and 3
            c. 2 and 4                                              D. 1,2,3, and 4
Q 68. Which is a collection of one or more databases ?
            1. Sequence
            2. Tablespace
            3.Synonym
            4. Index
            A. 1 and 2                                             B. Only 2
            C. Only 3                                              D. 2 and 4
Q 69. privilege :
            1. is the right to execute particular types of SQL statements.
            2. is the right to access other’s object.
            3. can be granted by the database administrator.
            A. Only 1                                              B. 1 And 2
            C. 1,2 and 3                                          D. Only 3
Q 70. Which of the following does not belong to the types of lock ?
            1. Row Level Lock
            2. Column Level
            3. Share Lock
            4. Dead Lock
            A. Only 4                                              B. Only 2
            C. 2 and 3                                             D. 1 and 2
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