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Question 1

Evaluate these commands which execute successfully:

Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence? (Choose two.)

AIf sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS

BAny user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ

CColumn ORD_NO gets the next number from sequence ORD_SEQ whenever a row is inserted into ORD_ITEMS and no explicit value is given for ORD_NO

DSequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times

ESequence ORD_SEQ is guaranteed not to generate duplicate numbers

Correct : B, C

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AIf sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS

BAny user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ

CColumn ORD_NO gets the next number from sequence ORD_SEQ whenever a row is inserted into ORD_ITEMS and no explicit value is given for ORD_NO

DSequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times

ESequence ORD_SEQ is guaranteed not to generate duplicate numbers

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Question 2

Which three statements are true about Oracle synonyms? (Choose three.)

AA synonym cannot be created for a PL/SQL package

BA synonym can be available to all users

CA SEQUENCE can have a synonym

DA synonym created by one user can refer to an object belonging to another user

EAny user can drop a PUBLIC synonym

Correct : B, C, D

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AA synonym cannot be created for a PL/SQL package

BA synonym can be available to all users

CA SEQUENCE can have a synonym

DA synonym created by one user can refer to an object belonging to another user

EAny user can drop a PUBLIC synonym

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Question 3

Which three statements are true about time zones, date data types, and timestamp data types in an Oracle database? (Choose three.)

AThe CURRENT_TIMESTAMP function returns data without time zone information

BA TIMESTAMP WITH LOCAL TIMEZONE data type column is stored in the database using the time zone of the session that inserted the row

CA TIMESTAMP data type column contains information about year, month, and day

DThe DBTIMEZONE function can return an offset from Universal Coordinated Time (UTC)

EThe SESSIONTIMEZONE function can return an offset from Universal Coordinated Time (UTC)

Correct : B, D, E

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AThe CURRENT_TIMESTAMP function returns data without time zone information

BA TIMESTAMP WITH LOCAL TIMEZONE data type column is stored in the database using the time zone of the session that inserted the row

CA TIMESTAMP data type column contains information about year, month, and day

DThe DBTIMEZONE function can return an offset from Universal Coordinated Time (UTC)

EThe SESSIONTIMEZONE function can return an offset from Universal Coordinated Time (UTC)

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Question 4

Which three statements are true regarding indexes? (Choose three.)

AA UNIQUE index can be altered to be non-unique

BA SELECT statement can access one or more indices without accessing any tables

CA table belonging to one user can have an index that belongs to a different user

DAn update to a table can result in updates to any or all of the table's indexes

EWhen a table is dropped and is moved to the RECYCLE BIN, all indexes built on that table are permanently dropped

FAn update to a table can result in no updates to any of the table's indexes

Correct : A, C, E

https://docs.oracle.com/cd/A87860_01/doc/server.817/a76956/indexes.htm

https://docs.oracle.com/cd/B10501_01/server.920/a96521/indexes.htm

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AA UNIQUE index can be altered to be non-unique

BA SELECT statement can access one or more indices without accessing any tables

CA table belonging to one user can have an index that belongs to a different user

DAn update to a table can result in updates to any or all of the table's indexes

EWhen a table is dropped and is moved to the RECYCLE BIN, all indexes built on that table are permanently dropped

FAn update to a table can result in no updates to any of the table's indexes

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Question 5

Your database instance is started with an SPFILE.

A PFILE is also available. You execute this command:

ALTER SYSTEM SET DB_CACHE_SIZE=100K;

Where Is the value changed?

Ain the SPFILE, SPFILE, and memory

Bin the SPFILE and in memory

Conly In the SPFILE

Din the SPFILE and SPFILEc

Eonly in memory

Correct : D

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Ain the SPFILE, SPFILE, and memory

Bin the SPFILE and in memory

Conly In the SPFILE

Din the SPFILE and SPFILEc

Eonly in memory

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Total 142 questions

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