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| Section | Objectives |
|---|---|
| Using Subqueries to Solve Queries | - 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 single-row subqueries with single-row and multiple-row operators - Define subqueries - Use scalar subqueries in SQL |
| Working with Oracle Cloud Exadata Express Cloud Service | - Describe the features and benefits of 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 |
| 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 |
| 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 |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management |
| Using Single-Row Functions to Customize Output | - Use character, number, and date functions in SELECT statements - Describe various types of functions available in SQL - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use CASE and DECODE for conditional expressions |
| Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Managing Oracle Database Instances | - Start up and shut down an Oracle Database instance - View the alert log and access dynamic performance views - Use the Automatic Diagnostic Repository (ADR) - Manage initialization parameter files (SPFILE, PFILE) |
| Restricting and Sorting Data | - Sort data using the ORDER BY clause - Use the LIKE and IN operators - Use the NULL operators (IS NULL, IS NOT NULL) - Use the BETWEEN comparator - Use comparison operators and logical operators (AND, OR, NOT) - Use the WHERE clause to limit retrieved rows |
| Managing Users, Roles, and Privileges | - Differentiate system privileges and object privileges - Create and manage roles - Create and manage database user accounts - Grant and revoke privileges |
| Retrieving Data using the SQL SELECT Statement | - Use the ORDER BY clause - Use SQL row functions (character, number, date, conversion, general) - Execute a basic SELECT statement - Describe how schema objects work - Use scalar and correlated subqueries - List the capabilities of SQL SELECT statements |
| 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 |
| Introduction to Oracle Database | - Explain Oracle Database server architecture - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database instance and memory structures - Describe Oracle Database architecture |
| Managing Schema Objects | - Manage sequences and synonyms - Create and modify tables - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) |
| Using Conversion Functions and Conditional Expressions | - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use the CAST function for data type conversion - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions |
| Displaying Data from Multiple Tables Using Joins | - Describe different types of joins and their features - Join a table to itself using self-join - Use Equijoins and Non-equijoins - Use CROSS joins - Use OUTER joins (LEFT, RIGHT, FULL) |
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問題 #25
Examine this description of the TRANSACTIONS table:
Which two SQL statements execute successfully? (Choose two.)
SELECT customer_id AS "CUSTOMER-ID", transaction_date AS DATE, amount + 100
答案：A,D
問題 #26
Which two statements are true about the Automatic Diagnostic Repository (ADR)? (Choose two.)
答案：A,D
解題說明：
Explanation/Reference: https://docs.oracle.com/cd/E11882_01/install.112/e27508/admin.htm
問題 #27
Which three statements are true about the naming methods and their features supported by Oracle database used to resolve connection information?
答案：A,C,D
問題 #28
Which three are types of segments in an Oracle Database? (Choose three.)
答案：A,B,E
解題說明：
Reference:
http://www.adp-gmbh.ch/ora/concepts/segments.html
問題 #29
Examine this command:
Which two statements are true? (Choose two.)
答案：C,E
問題 #30
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