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| Section | Objectives |
|---|---|
| Topic 1: Managing Schema Objects | - Create indexes and views - Manage sequences and synonyms - Create and modify tables - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) |
| Topic 2: Introduction to Oracle Database | - Explain Oracle Database server architecture - Describe Oracle Database architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database instance and memory structures |
| Topic 3: 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 4: Managing Users, Roles, and Privileges | - Create and manage roles - Differentiate system privileges and object privileges - Grant and revoke privileges - Create and manage database user accounts |
| Topic 5: Using Subqueries to Solve Queries | - Describe the types of subqueries (single-row, multi-row, multiple-column) - Define subqueries - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use single-row subqueries with single-row and multiple-row operators - Use subqueries in the WHERE clause and HAVING clause - Use scalar subqueries in SQL |
| Topic 6: Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Use OUTER joins (LEFT, RIGHT, FULL) - Use CROSS joins - Describe different types of joins and their features - Join a table to itself using self-join |
| Topic 7: Using Conversion Functions and Conditional Expressions | - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use nested functions - Use the CAST function for data type conversion - Apply the NVL, NULLIF, and COALESCE functions |
| Topic 8: Managing Oracle Database Instances | - View the alert log and access dynamic performance views - Use the Automatic Diagnostic Repository (ADR) - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance |
| Topic 9: Understanding Oracle Database Architecture - Oracle Database Instance | - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) - Describe the background processes |
| Topic 10: Using Single-Row Functions to Customize Output | - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use character, number, and date functions in SELECT statements - Use CASE and DECODE for conditional expressions - Describe various types of functions available in SQL |
| Topic 11: Restricting and Sorting Data | - Use the WHERE clause to limit retrieved rows - Use the BETWEEN comparator - Use the LIKE and IN operators - Sort data using the ORDER BY clause - Use comparison operators and logical operators (AND, OR, NOT) - Use the NULL operators (IS NULL, IS NOT NULL) |
| Topic 12: Reporting Aggregated Data Using the Group Functions | - Use the GROUP BY clause to group data - Use the HAVING clause to filter grouped data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) |
| Topic 13: Working with Oracle Cloud Exadata Express Cloud Service | - Describe the features and benefits of 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 |
| Topic 14: Understanding Oracle Database Architecture - Database Storage Structures | - Manage space in tablespaces - Create and manage tablespaces - Describe tablespaces and data files - Describe the logical and physical database structures |
| Topic 15: Retrieving Data using the SQL SELECT Statement | - List the capabilities of SQL SELECT statements - Use SQL row functions (character, number, date, conversion, general) - Execute a basic SELECT statement - Use scalar and correlated subqueries - Describe how schema objects work - Use the ORDER BY clause |
| 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 |
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問題 #118
Examine the description of the PROMOTIONS table:
You want to display the unique promotion costs in each promotion category.
Which two queries can be used? (Choose two.)
答案：A,D
問題 #119
Which three statements are true about a self join? (Choose three.)
答案：C,E,F
解題說明：
Explanation
問題 #120
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?
答案：C
解題說明：
https://oracle-base.com/articles/misc/os-authentication
問題 #121
You need to calculate the number of days from 1st January 2019 until today.
Dates are stored in the default format of DD-MON-RR.
Which two queries give the required output? (Choose two.)
答案：C,E
問題 #122
Which two are true about a SQL statement using SET operators such as UNION? (Choose two.)
答案：B,D
問題 #123
......
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