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| Section | Objectives |
|---|---|
| Topic 1: Using Conversion Functions and Conditional Expressions | - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use the CAST function for data type conversion |
| Topic 2: Retrieving Data using the SQL SELECT Statement | - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general) - Execute a basic SELECT statement - Use scalar and correlated subqueries - Use the ORDER BY clause - List the capabilities of SQL SELECT statements |
| Topic 3: 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 4: Managing Oracle Database Instances | - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views |
| Topic 5: Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Topic 6: Introduction to Oracle Database | - Describe Oracle Database architecture - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database instance and memory structures - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain Oracle Database server architecture |
| Topic 7: Displaying Data from Multiple Tables Using Joins | - Use OUTER joins (LEFT, RIGHT, FULL) - Use CROSS joins - Join a table to itself using self-join - Describe different types of joins and their features - Use Equijoins and Non-equijoins |
| Topic 8: Managing Users, Roles, and Privileges | - Create and manage database user accounts - Grant and revoke privileges - Differentiate system privileges and object privileges - Create and manage roles |
| Topic 9: Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management |
| Topic 10: Working with Oracle Cloud Exadata Express Cloud Service | - Identify the prerequisites for Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance - Navigate the Exadata Express Cloud Service console - Describe the features and benefits of Exadata Express Cloud Service |
| Topic 11: Managing Schema Objects | - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables - Manage sequences and synonyms |
| Topic 12: Restricting and Sorting Data | - Use the LIKE and IN operators - Use the WHERE clause to limit retrieved rows - Use comparison operators and logical operators (AND, OR, NOT) - Sort data using the ORDER BY clause - Use the NULL operators (IS NULL, IS NOT NULL) - Use the BETWEEN comparator |
| Topic 13: 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 14: Using Single-Row Functions to Customize Output | - Describe various types of functions available in SQL - Use character, number, and date functions in SELECT statements - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use CASE and DECODE for conditional expressions |
| Topic 15: Using Subqueries to Solve Queries | - Use single-row subqueries with single-row and multiple-row operators - Define subqueries - Use scalar subqueries in SQL - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use subqueries in the WHERE clause and HAVING clause |
| Topic 16: Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Manage space in tablespaces - Create and manage tablespaces - Describe the logical and physical database structures |
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NEW QUESTION # 115
Which statement is true about database links?
Answer: A
NEW QUESTION # 116
Which three are types of segments in an Oracle Database? (Choose three.)
Answer: A,B,C
NEW QUESTION # 117
Examine the description of the customers table:
You need to display last names and credit limits of all customers whose last name starts with A or B in lower or upper case, and whose credit limit Is below 1000.
Examine this partial query:
SELECT cust_last_name, cust_credit_limit FROM customers
Which two where conditions give the required result?
Answer: C,D
NEW QUESTION # 118
You want to use table compression suitable for OLTP that will:
1. Compress rows for all DML statements on that table
2. Minimize the overheads associated with compression
Which compression option is best suited for this?
Answer: E
Explanation:
Explanation/Reference: https://www.oracle.com/technetwork/database/options/compression/advanced-compression-wp-
12c-1896128.pdf
NEW QUESTION # 119
You execute this command:
Sufficient storage is available in filesystem /u01.
Which two statements are true about the BIG_TBS tablespace? (Choose two.)
Answer: B,D
NEW QUESTION # 120
......
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