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Success in the 1Z1-082 test of the Oracle 1Z1-082 credential is essential in today's industry to verify the skills and get well-paying jobs in reputed firms around the whole globe. Earning the Oracle Database Administration I 1Z1-082 Certification sharpens your skills and helps you to accelerate your career in today's cut throat competition in the Oracle industry. It is not easy to clear the 1Z1-082 exam on the maiden attempt.
| Section | Objectives |
|---|---|
| Topic 1: Restricting and Sorting Data | - Use the LIKE and IN operators - Use the BETWEEN comparator - Sort data using the ORDER BY clause - Use the NULL operators (IS NULL, IS NOT NULL) - Use the WHERE clause to limit retrieved rows - Use comparison operators and logical operators (AND, OR, NOT) |
| Topic 2: Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Create and manage tablespaces - Manage space in tablespaces - Describe the logical and physical database structures |
| Topic 3: Using Subqueries to Solve Queries | - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use scalar subqueries in SQL - Use subqueries in the WHERE clause and HAVING clause - Describe the types of subqueries (single-row, multi-row, multiple-column) - Define subqueries - Use single-row subqueries with single-row and multiple-row operators |
| Topic 4: Reporting Aggregated Data Using the Group Functions | - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the HAVING clause to filter grouped data - Use the GROUP BY clause to group data |
| Topic 5: Working with Oracle Cloud Exadata Express Cloud Service | - Provision and manage an Exadata Express Cloud Service instance - Identify the prerequisites for Exadata Express Cloud Service - Describe the features and benefits of Exadata Express Cloud Service - Navigate the Exadata Express Cloud Service console |
| Topic 6: 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 7: Using Conversion Functions and Conditional Expressions | - Use the CAST function for data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions |
| Topic 8: Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Topic 9: Managing Oracle Database Instances | - Use the Automatic Diagnostic Repository (ADR) - Start up and shut down an Oracle Database instance - View the alert log and access dynamic performance views - Manage initialization parameter files (SPFILE, PFILE) |
| Topic 10: Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management - Describe the background processes |
| Topic 11: Retrieving Data using the SQL SELECT Statement | - Describe how schema objects work - List the capabilities of SQL SELECT statements - Use the ORDER BY clause - Use SQL row functions (character, number, date, conversion, general) - Use scalar and correlated subqueries - Execute a basic SELECT statement |
| Topic 12: Introduction to Oracle Database | - 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 instance and memory structures - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture |
| Topic 13: Displaying Data from Multiple Tables Using Joins | - Describe different types of joins and their features - Use Equijoins and Non-equijoins - Join a table to itself using self-join - Use OUTER joins (LEFT, RIGHT, FULL) - Use CROSS joins |
| Topic 14: Managing Schema Objects | - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms - Create and modify tables |
| Topic 15: Managing Data in Different Time Zones | - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Explain the concepts of time zones and daylight savings |
| Topic 16: Using Single-Row Functions to Customize Output | - Use character, number, and date functions in SELECT statements - Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) |
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NEW QUESTION # 47
In one of your databases, user KING is:
1. Not a DBA user
2. An operating system (OS) user
Examine this command and its output:
What must you do so that KING is authenticated by the OS when connecting to the database instance?
Answer: D
NEW QUESTION # 48
Which two statements are true about Oracle synonyms?
Answer: D,E
NEW QUESTION # 49
Which two statements are true about single row functions? (Choose two.)
Answer: B,E
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/18/sqlrf/Single-Row- Functions.html#GUID-B93F789D-B486-49FF-B0CD-0C6181C5D85C
NEW QUESTION # 50
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)
Answer: A,E
Explanation:
Explanation/Reference: https://gerardnico.com/db/oracle/trace_file
NEW QUESTION # 51
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?
Answer: B,E
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 # 52
......
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