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The Oracle 1Z1-082 certification exam is one of the valuable credentials designed to demonstrate a candidate's technical expertise in information technology. They can remain current and competitive in the highly competitive market with the 1Z1-082 certificate. For novices as well as seasoned professionals, the Oracle Database Administration I Questions provide an excellent opportunity to not only validate their skills but also advance their careers.
| Section | Objectives |
|---|---|
| Managing Users, Roles, and Privileges | - Create and manage database user accounts - Differentiate system privileges and object privileges - Grant and revoke privileges - Create and manage roles |
| Understanding Oracle Database Architecture - Database Storage Structures | - Create and manage tablespaces - Describe the logical and physical database structures - Manage space in tablespaces - Describe tablespaces and data files |
| Using Single-Row Functions to Customize Output | - Use character, number, and date functions in SELECT statements - 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 |
| Working with Oracle Cloud Exadata Express Cloud Service | - Provision and manage an Exadata Express Cloud Service instance - Navigate the Exadata Express Cloud Service console - Identify the prerequisites for Exadata Express Cloud Service - Describe the features and benefits of Exadata Express Cloud Service |
| Managing Oracle Database Instances | - Use the Automatic Diagnostic Repository (ADR) - Start up and shut down an Oracle Database instance - Manage initialization parameter files (SPFILE, PFILE) - View the alert log and access dynamic performance views |
| Reporting Aggregated Data Using the Group Functions | - Use the GROUP BY clause to group data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the HAVING clause to filter grouped data |
| Retrieving Data using the SQL SELECT Statement | - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements - Use SQL row functions (character, number, date, conversion, general) - Use the ORDER BY clause - Use scalar and correlated subqueries - Describe how schema objects work |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management - Describe the background processes |
| Restricting and Sorting Data | - Use the LIKE and IN operators - Use the BETWEEN comparator - Use comparison operators and logical operators (AND, OR, NOT) - Use the NULL operators (IS NULL, IS NOT NULL) - Sort data using the ORDER BY clause - Use the WHERE clause to limit retrieved rows |
| Displaying Data from Multiple Tables Using Joins | - Use CROSS joins - Use OUTER joins (LEFT, RIGHT, FULL) - Use Equijoins and Non-equijoins - Join a table to itself using self-join - Describe different types of joins and their features |
| Managing Schema Objects | - Create and modify tables - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms |
| 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) |
| Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Introduction to Oracle Database | - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain Oracle Database server architecture - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database instance and memory structures |
| Using Conversion Functions and Conditional Expressions | - Use the CAST function for data type conversion - Use nested functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions |
| Using Subqueries to Solve Queries | - Define subqueries - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use subqueries in the WHERE clause and HAVING clause - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use scalar subqueries in SQL - Use single-row subqueries with single-row and multiple-row operators |
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NEW QUESTION # 161
In one of your databases, you create a user, HR, and then execute this command:
GRANT CREATE SESSION TO hr WITH ADMIN OPTION;
Which three actions can HR perform? (Choose three.)
Answer: C,D,F
NEW QUESTION # 162
Examine this command:
Which two statements are true? (Choose two.)
Answer: B,D
NEW QUESTION # 163
Which two are true about the roles? (Choose two.)
Answer: A,B
NEW QUESTION # 164
Which two statements are true about single row functions? (Choose two.)
Answer: B,C
NEW QUESTION # 165
Which three statements are true about dropping and unused columns in an Oracle database? (Choose three.)
Answer: A,E,F
NEW QUESTION # 166
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