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What is the duration, language, and format of Oracle 1z0-082: Oracle Database Administration I Exam
- Passing score:
- The type of questions is Multiple Choice Questions.
- Certification Validity period : 3 years.
- There is a time limit of 140 minutes for the exam.
- This exam consists of 90 questions.
- Section 1: 60%
- Section 3: 33%
- Section 2: 45%
- This exam is offered in only English.
Oracle database certifications require periodic recertification. To hold your certification inactive condition, you must update to the new edition within 1 year of Oracle's credential withdrawal.
Reference: https://education.oracle.com/oracle-database-administration-i/pexam_1Z0-082
Oracle 1Z0-082 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Using Single-Row Functions to Customize Output | - Use CASE and DECODE for conditional expressions - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Describe various types of functions available in SQL - Use character, number, and date functions in SELECT statements |
| Topic 2: Reporting Aggregated Data Using the Group Functions | - Use the HAVING clause to filter grouped data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the GROUP BY clause to group data |
| Topic 3: Managing Oracle Database Instances | - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views |
| Topic 4: Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management - Describe the background processes |
| Topic 5: Using Subqueries to Solve Queries | - Use subqueries in the WHERE clause and HAVING clause - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Define subqueries - Use single-row subqueries with single-row and multiple-row operators - Use scalar subqueries in SQL - Describe the types of subqueries (single-row, multi-row, multiple-column) |
| Topic 6: Working with Oracle Cloud Exadata Express Cloud Service | - Identify the prerequisites for Exadata Express Cloud Service - Navigate the Exadata Express Cloud Service console - Provision and manage an Exadata Express Cloud Service instance - Describe the features and benefits of Exadata Express Cloud Service |
| Topic 7: Understanding Oracle Database Architecture - Database Storage Structures | - Create and manage tablespaces - Describe the logical and physical database structures - Describe tablespaces and data files - Manage space in tablespaces |
| Topic 8: Managing Data in Different Time Zones | - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Explain the concepts of time zones and daylight savings - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) |
| Topic 9: Managing Schema Objects | - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create indexes and views - Create and modify tables - Manage sequences and synonyms |
| Topic 10: Managing Users, Roles, and Privileges | - Create and manage database user accounts - Grant and revoke privileges - Create and manage roles - Differentiate system privileges and object privileges |
| Topic 11: Restricting and Sorting Data | - Use the WHERE clause to limit retrieved rows - Use the BETWEEN comparator - Sort data using the ORDER BY clause - Use the LIKE and IN operators - Use the NULL operators (IS NULL, IS NOT NULL) - Use comparison operators and logical operators (AND, OR, NOT) |
| Topic 12: Displaying Data from Multiple Tables Using Joins | - Join a table to itself using self-join - Describe different types of joins and their features - Use CROSS joins - Use OUTER joins (LEFT, RIGHT, FULL) - Use Equijoins and Non-equijoins |
| Topic 13: Retrieving Data using the SQL SELECT Statement | - Use SQL row functions (character, number, date, conversion, general) - Execute a basic SELECT statement - Use the ORDER BY clause - List the capabilities of SQL SELECT statements - Describe how schema objects work - Use scalar and correlated subqueries |
| Topic 14: Using Conversion Functions and Conditional Expressions | - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions - Use the CAST function for data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions |
| Topic 15: Introduction to Oracle Database | - Describe Oracle Database instance and memory structures - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain Oracle Database server architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture |
| Topic 16: Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
Oracle Database Administration I Sample Questions:
Question #1
Which two statements are true about UNDO and REDO? (Choose two.)
A. DML modifies Oracle database objects and generates UNDO and REDO
B. The generation of UNDO generates REDO
C. DML modifies Oracle database objects and only generates REDO
D. The generation of REDO generates UNDO
E. DML modifies Oracle database objects and only generates UNDO
Question #2
Which two statements are true about the DUAL table? (Choose two.)
A. It can display multiple rows but only a single column
B. It can be accessed only by the SYS user
C. It consists of a single row and single column of VARCHAR2 data type
D. It can be used to display only constants or pseudo columns
E. It can display multiple rows and columns
F. It can be accessed by any user who has the SELECT privilege in any schema
Question #3
In the promotions table, the PROMO_BEGIN_DATE column is of data type date and the default date format Is DD-MON-RR.
h two statements are true about expressions using PROMO_BEGIN_DATE contained In a query?
A. PROMO_ BEGIN_DATE - sysdate will return a number.
B. to_numberipromo_begin_date) - s will return a number.
C. PROMO_ BEGIN_DATE - 5 will return a date.
D. TO_date(PROMO_ BEGIN_DATE * 5| will return a date.
E. PROMO_ BEGIN_DATE - sysdate will return an error.
Question #4
You execute this command:
Sufficient storage is available in filesystem /u01.
Which two statements are true about the BIG_TBStablespace? (Choose two.)
A. It must be bigger than the largest SMALLFILE tablespace
B. It will be a dictionary-managed tablespace by default
C. It will always have a 32K blocksize
D. AUTOEXTEND is possible for the datafile
E. Additional data files may not be added
Question #5
Which two statements are true about interval data types?
A. INTERVAL day to second columns support fractions of seconds.
B. INTERVAL year to month columns only support monthly intervals within a range of years.
C. The year field in an interval year to month column must be a positive value.
D. The value in an interval day to SECOND column can be copied into an interval year to month column.
E. INTERVAL year to month columns only support monthly Intervals within a single year.
F. INTERVAL year TO month columns support yearly intervals.
Solutions:
| Question #1 Correct Answer: B,D | Question #2 Correct Answer: B,C | Question #3 Correct Answer: C,E | Question #4 Correct Answer: A,D | Question #5 Correct Answer: A,F |
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