Vendor: Oracle
Exam Code: 1Z0-052
Exam Name: Oracle Database 11g: Administration Workshop I
Certification: Oracle Certifications
Total Questions: 285 Q&A
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Updated on: Jun 07, 2026
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Which two are true about undo tablespaces? (Choose two.)
A. They must have only one data file
B. Single instance databases can have only one active undo tablespace
C. They always retain undo for the time period defined by UNDO_RETENTION
D. They can be recovered only when an instance is in MOUNT state
E. Tables can be created in undo tablespaces by SYS
You have to create a table, STUDENTS, with the columns: STUDENT_ID, STUDENT_NAME,
DATE_OF_BIRTH, and COURSE_ID.
The following constraints have to be enforced on this table:
1) Each student must be uniquely identifiable by the STUDENT_ID.
2) STUDENT_ID column should not be left blank.
3) The student should not be less than 15 years of age.
4) The student can only take a course that is specified in the COURSE table in the database.
Which three constrains must be explicitly enforced on this table? (Choose three.)
A. check constraint on the COURSE_ID column
B. foreign key constraint on the COURSE_ID column
C. check constraint on the DATE_OF_BIRTH column
D. unique key constraint on the STUDENT_ID column
E. not null constraint on the DATE_OF_BIRTH column
F. primary key constraint on the COURSE_ID column
You are managing an Oracle Database 11g database. You configured the database to run in ARCHIVELOG mode.
Which two statements are true in this scenario? (Choose two.)
A. You must shut down the database instance to perform the backups.
B. You must configure the Flash Recovery Area (FRA) for the database.
C. You can perform complete database backups without closing the database.
D. All the previous closed database backups including control files become invalid afteryou configure the database to ARCHIVELOG mode.
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