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| Section | Objectives |
|---|---|
| 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 |
| Retrieving Data using the SQL SELECT Statement | - Use SQL row functions (character, number, date, conversion, general) - Use scalar and correlated subqueries - List the capabilities of SQL SELECT statements - Use the ORDER BY clause - Execute a basic SELECT statement - Describe how schema objects work |
| Using Single-Row Functions to Customize Output | - Use character, number, and date functions in SELECT statements - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions |
| 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 |
| Restricting and Sorting Data | - Use comparison operators and logical operators (AND, OR, NOT) - Use the BETWEEN comparator - Use the LIKE and IN operators - Use the NULL operators (IS NULL, IS NOT NULL) - Use the WHERE clause to limit retrieved rows - Sort data using the ORDER BY clause |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management - Describe the background processes |
| Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Using Conversion Functions and Conditional Expressions | - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions - Use the CAST function for data type conversion - Use nested functions |
| 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 |
| Managing Data in Different Time Zones | - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Explain the concepts of time zones and daylight savings |
| Introduction to Oracle Database | - Explain Oracle Database server architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture - Describe Oracle Database instance and memory structures - Explain database storage structures (data blocks, segments, tablespaces, data files) |
| Understanding Oracle Database Architecture - Database Storage Structures | - Describe the logical and physical database structures - Create and manage tablespaces - Describe tablespaces and data files - Manage space in tablespaces |
| Managing Schema Objects | - Manage sequences and synonyms - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create indexes and views - Create and modify tables |
| Using Subqueries to Solve Queries | - Use scalar subqueries in SQL - Define subqueries - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use subqueries in the WHERE clause and HAVING clause - Use single-row subqueries with single-row and multiple-row operators - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) |
| Working with Oracle Cloud Exadata Express Cloud Service | - Navigate the Exadata Express Cloud Service console - 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 |
| Displaying Data from Multiple Tables Using Joins | - Describe different types of joins and their features - Use CROSS joins - Use OUTER joins (LEFT, RIGHT, FULL) - Join a table to itself using self-join - Use Equijoins and Non-equijoins |
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NEW QUESTION # 79
Which two statements are true about date/time functions in a session where NLS_DATE_FORMAT is set to DD-MON-YYYY HH24:MI:SS? (Choose two.)
Answer: E,F
Explanation:
https://www.w3resource.com/oracle/datetime-functions/oracle-current_timestamp-function.php
NEW QUESTION # 80
Which two are true about conventional path SQL load? (Choose two.)
Answer: D,E
NEW QUESTION # 81
Which three statements are true concerning logical and physical database structures? (Choose three.)
Answer: B,C,G
NEW QUESTION # 82
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: A,B,F
NEW QUESTION # 83
Which two statements are true about the DUAL table? (Choose two.)
Answer: B,D
Explanation:
Explanation/Reference: https://en.wikipedia.org/wiki/DUAL_table
NEW QUESTION # 84
......
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