C1000-122 Dumps
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Db2 12 for z/OS DBA Fundamentals
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What is the purpose of the security labels in Db2 12 for z/OS?
To enforce row-level security for the database
To classify and protect sensitive data in the database
To control access to the database objects
wer: B
anation: Security labels in Db2 12 for z/OS are used to classify and pr tive data in the database. They help enforce data access controls and re that only authorized users can view or modify sensitive information
does Db2 12 for z/OS handle data concurrency? y using row-level locking
By using table-level locking
By implementing optimistic concurrency control y implementing pessimistic concurrency control
wer: A
To audit and monitor user activity in the database Ans
Expl otect
sensi
ensu .
How
A. B
B.
C.
D. B
Ans
Explanation: Db2 12 for z/OS handles data concurrency by using row-level locking. This means that only the specific rows being accessed by a transaction are locked, allowing other transactions to access different rows concurrently.
for z/OS database?
SELECT XMLQUERY
SELECT XMLTABLE
SELECT XMLGEN
SELECT XMLCAST
anation: The SELECT XMLTABLE statement is used to retrieve XM tored in a Db2 12 for z/OS database. It allows you to query XML dat ct specific elements or attributes from the XML document.
ch Db2 12 for z/OS object is used to enforce referential integrity traints?
ndex iew rigger
onstraint wer: D
anation: Constraints are Db2 12 for z/OS objects used to enforce refer
Answer: B
Expl L
data s a and
extra
Whi cons
I
V
T
C
Ans
Expl ential
integrity constraints. They define rules that ensure the relationships between tables are maintained, such as ensuring the existence of related rows in a foreign key relationship.
To determine the hardware requirements for the database
To define the logical and physical structure of the database
To create backup and recovery strategies for the database
anation: The purpose of the database planning process in Db2 12 for z efine the logical and physical structure of the database. This include mining the table structures, indexes, tablespaces, and other storage iderations.
is the purpose of a database trigger in Db2 12 for z/OS? enforce data validation rules
control access to the database objects monitor and log database activity optimize query execution plans
wer: C
anation: Database triggers in Db2 12 for z/OS are used to monitor and base activity. They can be defined to automatically execute certain act
To establish security policies and access controls for the database Answer: B
Expl /OS
is to d s
deter cons
What
To
To
To
To
Ans
Expl log
data ions,
such as logging changes to specific tables or performing additional data validation checks.
What is the purpose of application design in Db2 12 for z/OS?
To optimize query performance
To define the database schema
To establish security policies for the application
To create backup and recovery strategies for the application Answer: A
mize query performance. This includes designing efficient SQL statem ing appropriate indexes, and structuring the application code to mini base access and improve overall performance.
ch utility is used to load data into a Db2 12 for z/OS database? SNTIAUL
SNTIUL SNTIPTF SNTIAUL
wer: B
anation: The DSNTIUL utility is used to load data into a Db2 12 for z base. It allows you to efficiently insert large volumes of data into s,performing high-speed data loading operations.
Explanation: The purpose of application design in Db2 12 for z/OS is to
opti ents,
defin mize
data Que Whi
D
D
D
D
Ans
Expl /OS
data table
Which utility is used to perform database backup and recovery operations in Db2 12 for z/OS?
DSNTIJRT
DSNTIAUL
DSNTIAUL
DSNTIPRN
Answer: D
mental backups of the database and restore it to a previous state if ssary.
Explanation: The DSNTIPRN utility is used to perform database backup and recovery operations in Db2 12 for z/OS. It allows you to create full or
incre nece