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Code d'Examen: A2090-544
Nom d'Examen: IBM (Assessment: DB2 9.7 Advanced DBA for LUW)
Questions et réponses: 110 Q&As
Code d'Examen: A2070-583
Nom d'Examen: IBM (Assessment: IBM Content Analytics and Search V2.2 )
Questions et réponses: 141 Q&As
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NO.1 You have a database with eight partitions on a single server. Immediately after
executing the following
command:
CREATE BUFFERPOOL mybp DEFERRED SIZE 3000
How much memory is consumed by buffer pool MYBP on the server?
A. 0 pages
B. 3000 pages
C. 24000 pages
D. 192000 pages
Answer: A
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NO.2 Considering you have an OLTP workload consisting of similar queries that are
repeatedly generated
and differ only in their predicate values, what can be done to reduce compilation overhead?
A. UPDATE DB CFG USING STMT_CONC LITERALS
B. UPDATE DB CFG USING SQL_CONC LITERALS
C. UPDATE DB CFG USING SQL_CONC YES
D. UPDATE DB CFG USING STMT_CONC OFF
Answer: A
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NO.3 A database and a table space were created using the following commands:
CREATE DATABASE mydb AUTOMATIC STORAGE NO;
CONNECT TO mydb;
CREATE TABLESPACE tbsp1
MANAGED BY DATABASE USING (FILE '/mnt/file1' 1 M, FILE '/mnt/file2' 1 M)
AUTORESIZE YES
INCREASESIZE 2 M
MAXSIZE 100 M;
Afterwards, two tables were created in table space TBSP1 and both tables were populated
with 100,000
rows. If a DBA decides that database MYDB should use automatic storage, which
command(s) are
needed to convert the database?
A. ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2?
B. ALTER DATABASE mydb ADD STORAGE ON ?mnt/path_1? ?mnt/path_2?
ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;
C. ALTER DATABASE mydb AUTOMATIC STORAGE YES ON ?mnt/path_1? ?mnt/path_2?
D. ALTER DATABASE mydb AUTOMATIC STORAGE YES ON ?mnt/path_1? ?mnt/path_2?
ALTER TABLESPACE tbsp1 MANAGED BY AUTOMATIC STORAGE;
Answer: A
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NO.4 Database DB1 is defined on partitions 1 through 4, with the system catalog defined on
partition 2. This
database is configured with LOGRETAIN=YES and TRACKMOD=YES. On Sunday evening,
a full online
database backup completes successfully on all partitions. On Monday afternoon, a new table
space is
created in a database partition group defined on partitions 3 and 4. On Monday evening a
backup is
executed as follows :
BACKUP DATABASE db1 ONLINE INCREMENTAL
What are the results of this operation?
A. The backup completes successfully on the catalog partion only.
B. The backup completes successfully on database partitions 1 and 2, but fails on database
partitions 3
and 4.
C. The backup completes successfully on database partitions 3 and 4, but fails on database
partitions 1
and 2.
D. The backup completes successfully on all database partitions.
Answer: B
IBM examen certification A2090-544 A2090-544 examen
NO.5 A table named TAB_A was created with the COMPRESS YES option specified and
populated with
100,000 rows. If a DBA wants to create an index on table TAB_A, which statement is true?
A. In order for the index to be compressed, it must be enabled for compression by specifying
the
COMPRESS YES option with the CREATE INDEX statement that is used to create it.
B. The index will automatically be compressed since the table it is associated with is
compressed; the
ALTER INDEX command does not have to be executed.
C. In order for the index to be compressed, it must be enabled for compression by specifying
the
COMPRESS YES option in the CREATE INDEX statement used to create it; however, the
index will not
be compressed until the ALTER INDEX command is used to create an index compression
dictionary.
D. The index will automatically be enabled for compression because the associated table is
compressed;
however, the index will not be compressed until it is REORGed.
Answer: B
IBM examen A2090-544 A2090-544 examen
NO.6 A database named MYDB was created by executing the following command:
CREATE DATABASE mydb AUTOMATIC STORAGE NO
Later, a decision is made to modify this database so that both it and its table spaces use
automatic
storage.
What steps are required to make this modification?
A. Use the ALTER DATABASE command to convert the database; all existing table spaces
will be
converted automatically.
B. Use the ALTER DATABASE command to convert the database; use the ALTER
TABLESPACE
command to convert all existing table spaces.
C. Use the ALTER DATABASE command to convert the database; use the ALTER
TABLESPACE
command to convert all existing SMS table spaces.
D. Use the ALTER DATABASE command to convert the database; use the ALTER
TABLESPACE
command to convert all existing DMS table spaces.
Answer: D
IBM A2090-544 examen A2090-544 A2090-544
NO.7 Assuming the following commands are executed in the order shown:
CREATE DATABASE mydb AUTOMATIC STORAGE NO;
CONNECT TO mydb;
CREATE TABLESPACE tbsp1
MANAGED BY DATABASE USING (FILE 'C:\file1' 1 M, FILE 'C:\file2' 1 M)
AUTORESIZE YES
INCREASESIZE 2 M
MAXSIZE 100 M;
CREATE TABLE tab_a (c1 INT, c2 CHAR(30), c3 XML) COMPRESS YES;
IMPORT FROM data.del OF DEL INSERT INTO tab_a;
If the following command is executed:
ALTER DATABASE mydb ADD STORAGE ON ?mnt/file_1? ?mnt/file_2?
Which statement is true?
A. The ALTER DATABASE command will fail because database MYDB was not created as
an automatic
storage database.
B. The ALTER DATABASE command will convert database MYDB to an automatic storage
database, and
table space TBSP1 will automatically be converted to an automatic storage table space.
C. Table space TBSP1 can be converted to an automatic storage table space at any time by
executing the
ALTER TABLESPACE statement.
D. Table space TBSP1 will be placed in Conversion Pending?state and must be converted to
an
automatic storage table space before it can be used.
Answer: C
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NO.8 A DBA needs to create a federated database and configure access to join data from
three Oracle
instances and one DB2 database.
Which objects are needed to establish the specified connections?
A. 1 Oracle server , 1 DB2 server , 3 Oracle wrappers , and nicknames for each database
B. 1 Oracle server , 1 DB2 server , 1 Oracle wrapper , 1 DB2 wrapper , and nicknames for
each database
C. 3 Oracle servers , 1 DB2 server , 3 Oracle wrappers , 1 DB2 wrapper , and nicknames for
each
database
D. 3 Oracle servers , 1 DB2 server , 1 Oracle wrapper , 1 DB2 wrapper , and nicknames for
each
database
Answer: D
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