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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Topic 1: Backup and Recovery Concepts	- RMAN fundamentals - Backup and restore operations
Topic 2: Oracle Database Architecture	- Database instance and memory structures - Physical database structure
Topic 3: Database Installation and Configuration	- Creating and configuring a database - Installing Oracle Database software
Topic 4: Monitoring and Performance Management	- Performance tuning basics - Database monitoring tools
Topic 5: Database Storage Structures	- Tablespaces and datafiles - Control files and redo logs
Topic 6: Database Administration	- Managing users and privileges - Managing database objects
Topic 7: Multitenant Architecture	- Managing pluggable databases - Container and pluggable databases (CDB/PDB)

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Oracle Database Administration I Sample Questions (Q65-Q70):

NEW QUESTION # 65
Table ORDER_ITEMS contains columns ORDER_ID, UNIT_PRICE and QUANTITY, of data type NUMBER.
Examine these SQL statements:
Statement 1:
SELECT MAX(unit_price * quantity) "Maximum Order"
FROM order_items;
Statement 2:
SELECT MAX(unit_price * quantity) "Maximum Order"
FROM order_items
GROUP BY order_id;
Which two statements are true?

A. Statement 2 may return multiple rows of output.
B. Statement 1 returns only one row of output.
C. Both the statements give the same output.
D. Statement 2 returns only one row of output.
E. Both statements will return NULL if either UNIT_PRICE or QUANTITY contains NULL.

Answer: A,B

Explanation:
https://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqlj27781.html
The Expression can contain multiple column references or expressions, but it cannot contain another aggregate or subquery. It must evaluate to a built-in data type. You can therefore call methods that evaluate to built-in data types. (For example, a method that returns a java.lang.Integer or int evaluates to an INTEGER.) If an expression evaluates to NULL, the aggregate skips that value.

NEW QUESTION # 66
You execute this command:
CREATE SMALLFILE TABLESPACE sales
DATAFILE '/u01/app/oracle/sales01.dbf
SIZE 5G
SEGMENT SPACE MANAGEMENT AUTO;
Which two statements are true about the SALES tablespace? (Choose two.)

A. It must be smaller than the smallest BIGFILE tablespace
B. Free space is managed using freelists
C. It is a locally managed tablespace
D. Any data files added to the tablespace must have a size of 5 gigabytes
E. It uses the database default blocksize

Answer: C,E

NEW QUESTION # 67
You want to use table compression suitable for OLTP that will:
1. Compress rows for all DML statements on that table
2. Minimize the overheads associated with compression
Which compression option is best suited for this?

A. ROW STORE COMPRESS BASIC
B. COLUMN STORE COMPRESS FOR ARCHIVE HIGH
C. ROW STORE COMPRESS ADVANCED
D. COLUMN STORE COMPRESS FOR ARCHIVE LOW
E. COLUMN STORE COMPRESS FOR QUERY LOW

Answer: C

Explanation:
https://www.oracle.com/technetwork/database/options/compression/advanced-compression- wp-
12c-1896128.pdf

NEW QUESTION # 68
Which two statements are true about the configuration and use of UNDO_RETENTION with GURANTEED ? (Choose two.) RETENTION

A. Active UNDO is always retained.
B. UNDO_RETENTION specifies how long all types of UNDO are retained.
C. UNDO_RETENTION specifies for how long Oracle attempts to keep unexpired UNDO.
D. UNDO_RETENTION specifies for how long Oracle attempts to keep expired and unexpired UNDO.
E. Unexpired UNDO is always retained.

Answer: B,E

NEW QUESTION # 69
Which two statements are true about the rules of precedence for operators? (Choose two.)

A. The concatenation operator | | is always evaluated before addition and subtraction in an expression
B. The + binary operator has the highest precedence in an expression in a SQL statement
C. Arithmetic operators with equal precedence are evaluated from left to right within an expression
D. Multiple parentheses can be used to override the default precedence of operators in an expression
E. NULLS influence the precedence of operators in an expression

Answer: C,D

Explanation:
Reference:
https://docs.oracle.com/cd/A87860_01/doc/server.817/a85397/operator.htm Precedence is the order in which Oracle evaluates different operators in the same expression. When evaluating an expression containing multiple operators, Oracle evaluates operators with higher precedence before evaluating those with lower precedence. Oracle evaluates operators with equal precedence from left to right within an expression.

NEW QUESTION # 70
......

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