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Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
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How to Prepare for Oracle 1z0-082: Oracle Database Administration 1 Exam
Preparation Guide for Oracle 1z0-082: Oracle Database Administration 1 Exam
Introduction
Oracle, based in California, is an American multinational Information Technology company. Oracle is an international company that develops software applications for business. To help enterprises develop their operations, Oracle provides a variety of cloud-based applications and systems as well as hardware and services. Data management, business analytics, IT operations management, enterprise resource planning, security, and emerging technologies are the focus of Oracle's applications. Oracle is best known for its database software and technology. Oracle Database, a relational Database Management System (DBMS), is one of the most popular corporate database products.
Oracle also develops and builds tools and technologies for database management systems for middle-tier applications, Human Capital Management systems (HCM), Customer Relationship Management systems (CRM), Enterprise Resource Planning systems (ERP), and Supply Chain Management systems (SCM). Oracle Database commonly known as Oracle Database Management System (DBMS) is a multi-model database management system. It is a widely used database to run tasks for Data warehousing and Online Transaction processing databases. Different service providers make Oracle Database accessible on cloud, premises, or a hybrid cloud installation.
Oracle Database Administration I Sample Questions:
Which three statements are true about external tables in Oracle 18c and later releases? (Choose three.)
- A. The ORACLE_LOADER access driver can be used to unload data from a database into an external table
- B. The ORACLE_DATAPUMP access driver can be used to unload data from a database into an external table
- C. They support UPDATEs but not INSERTs and DELETEs
- D. External table files can be used for other external tables in a different database
- E. The ORACLE_DATAPUMP access driver can be used to load data into a database from an external table
- F. They cannot be partitioned
Correct Answer: A,C,D 🗳️
In the ORCL database, UNDOTBS1 is the active undo tablespace with these properties:
1. A size of 100 MB
2. AUTOEXTEND is off
3. UNDO_RETENTION is set to 15 minutes
4. It has RETENTION GUARANTEE
UNDOTBS1 fills with uncommitted undo 10 minutes after the database opens.
What will happen when the next update is attempted by any transaction?
- A. It succeeds and the generated undo is stored in SYSTEM.
- B. It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
- C. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDOTBS1'".
- D. It succeeds and the generated undo is stored in SYSAUX.
- E. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.
Correct Answer: E 🗳️
In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.
The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains:
Which statement is true?
- A. Dynamic service registration cannot be used for this database instance
- B. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
- C. The LREG process registers services dynamically with the LISTENER_1 listener
- D. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration
- E. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port
1521 on the same host as the database instances
Correct Answer: B 🗳️
Explanation: Only visible for ActualCollection members. You can sign-up / login (it's free).
View the Exhibit and examine the structure of the PRODUCTS table.
Which two tasks require subqueries? (Choose two.)
- A. Display the total number of products supplied by supplier 102 which have a product status of obsolete
- B. Display the minimum PROD_LIST_PRICE for each product status
- C. Display suppliers whose PROD_LIST_PRICE is less than 1000
- D. Display products whose PROD_MIN_PRICE is more than the average PROD_LIST_PRICE of all products, and whose status is orderable
- E. Display the number of products whose PROD_LIST_PRICE is more than the average PROD_LIST_PRICE
Correct Answer: D,E 🗳️
Which two statements are true about the rules of precedence for operators? (Choose two.)
- A. The + binary operator has the highest precedence in an expression in a SQL statement
- B. The concatenation operator | | is always evaluated before addition and subtraction in an expression
- C. NULLS influence the precedence of operators in an expression
- D. Multiple parentheses can be used to override the default precedence of operators in an expression
- E. Arithmetic operators with equal precedence are evaluated from left to right within an expression
Correct Answer: A,D 🗳️
Explanation: Only visible for ActualCollection members. You can sign-up / login (it's free).
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Viewing questions 1-5 out of 165 questions.
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