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Oracle 1z0-082: Oracle Database Administration 1 Exam Certification Path
The Oracle Certified Expert, Oracle Database 12c: RAC and Grid Infrastructure Administrator certification is for Database Development Systems Managers and Database Administrators with at least 1 year of RAC and Grid Infrastructure experience. It is also recommended to understand high availability concepts and clustering. To earn this certificate, you should have the ability to install, manage, monitor, and recover RAC databases, Clusterware, and ASM environments. You will get a complete understanding of the architecture of the Clusterware, ASM, and RAC databases while preparing for the exam. After earning this certification, you will gain the skills of installing, setup, backup and recovering, tuning, and monitoring these components. Self-study courses are great sources for the preparation of the Exam, but they do not meet the requirement of the training. To meet the requirement of the training course must be offered by Oracle University Training Center, Oracle Authorized Education Center, Oracle Authorized Partner, or Oracle Workforce Development Program. Courses can be a live virtual class, training on demand, learning subscription, or instructor-led in-class.
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Who should take the Oracle 1z0-082: Oracle Database Administration I Exam
This course is designed for Database Administrators and Database production Systems Administrators.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
Oracle 1Z0-082 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Understanding Oracle Database Architecture | 20% | - Explaining Storage Structures - Overview of Oracle Database Architecture - Understanding Memory Structures - Understanding Multitenant Architecture - Understanding Background Processes |
| Topic 2: Administering User Accounts and Security | 15% | - Managing Privileges and Roles - Implementing Security Policies - Creating and Managing Users |
| Topic 3: Managing Data and Concurrency | 10% | - Using SQL to Manage Data - Managing Locks and Concurrency - Managing Transactions |
| Topic 4: Configuring and Managing Oracle Network | 10% | - Configuring Listener and Naming Methods - Managing Network Connections |
| Topic 5: Backup and Recovery Concepts | 10% | - Understanding Backup and Recovery Architecture - Using RMAN for Backup and Recovery - Performing Complete and Incomplete Recovery |
| Topic 6: Managing Storage Structures | 15% | - Managing Undo Data - Managing Redo Log Files - Managing Tablespaces and Data Files - Managing Control Files |
| Topic 7: Managing Database Instances | 20% | - Using Initialization Parameters - Managing Alert Log and Trace Files - Using Data Dictionary and Dynamic Performance Views - Starting Up and Shutting Down Databases |
Oracle Database Administration I Sample Questions:
Which three statements are true about connection strings and service names used to connect to an Oracle database instance?
- A. A service name is created by a listener.
- B. Different connection strings in the same tnsnames.ora file can contain the same service name, host and port parameters.
- C. A single connection string can refer to multiple database instances.
- D. A connection string must include the SID of a database Instance.
- E. A single database instance can support connections for multiple service names.
- F. A connection string including a service name must be defined in the cnsnames.ora file.
Correct Answer: B,C,E 🗳️
Evaluate these commands which execute successfully:
Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence?
(Choose two.)
- A. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers
- B. Column 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
- C. Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times
- D. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ
- E. If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS
Correct Answer: A,D 🗳️
Which two statements are true about Oracle synonyms?
- A. A synonym can be created on an object in a package.
- B. All private synonym names must be unique in the database.
- C. A synonym can have a synonym.
- D. A synonym has an object number.
- E. Any user can create a PUBLIC synonym.
Correct Answer: C,D 🗳️
Examine this command:
SQL> ALTER TABLE ORDERS SHRINK SPACE COMPACT
Which two statements are true?
- A. Only queries are allowed on ORDERS while the shrink is executing.
- B. Queries and DML statements are allowed on ORDERS while the shrink is executing.
- C. The shrink operation causes rows to be moved to empty space starting from the beginning of the orders segment.
- D. The high-water mark (HWM) of orders is adjusted.
- E. Dependent indexes become UNUSABLE.
- F. The shrink operation causes rows to be moved to empty space starting toward the end of the orders segment.
Correct Answer: B,C 🗳️
What is true about non-equijoin statement performance? (Choose two.)
- A. The BETWEEN condition always performs less well than using the >= and <= conditions
- B. The BETWEEN condition always performs better than using the >= and <= conditions
- C. The join syntax used makes no difference to performance
- D. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax
- E. Table aliases can improve performance
Correct Answer: D,E 🗳️
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