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| Section | Objectives |
|---|---|
| Topic 1: Managing Oracle Database Instances | - View the alert log and access dynamic performance views - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) |
| Topic 2: Restricting and Sorting Data | - Sort data using the ORDER BY clause - Use the WHERE clause to limit retrieved rows - 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) |
| Topic 3: 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 |
| Topic 4: Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Topic 5: 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 6: Retrieving Data using the SQL SELECT Statement | - Use SQL row functions (character, number, date, conversion, general) - Use the ORDER BY clause - Use scalar and correlated subqueries - List the capabilities of SQL SELECT statements - Describe how schema objects work - Execute a basic SELECT statement |
| Topic 7: Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Manage space in tablespaces - Describe the logical and physical database structures - Create and manage tablespaces |
| Topic 8: 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 9: Working with Oracle Cloud Exadata Express Cloud Service | - 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 - Provision and manage an Exadata Express Cloud Service instance |
| Topic 10: Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management - Describe the background processes |
| Topic 11: 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 |
| Topic 12: Using Subqueries to Solve Queries | - Use scalar subqueries in SQL - Define subqueries - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use subqueries in the WHERE clause and HAVING clause - Use single-row subqueries with single-row and multiple-row operators |
| Topic 13: Displaying Data from Multiple Tables Using Joins | - Describe different types of joins and their features - Use OUTER joins (LEFT, RIGHT, FULL) - Use Equijoins and Non-equijoins - Use CROSS joins - Join a table to itself using self-join |
| Topic 14: Introduction to Oracle Database | - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database instance and memory structures - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database architecture - Explain Oracle Database server architecture |
| Topic 15: Using Single-Row Functions to Customize Output | - Use CASE and DECODE for conditional expressions - Describe various types of functions available in SQL - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use character, number, and date functions in SELECT statements |
| Topic 16: 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 |
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NEW QUESTION # 50
In your data center, Oracle Managed Files (OMF) is used for all databases.
All tablespaces are smallfile tablespaces.
SALES_Q1 is a permanent user-defined tablespace in the SALES database.
Examine this command which is about to be issued by a DBA logged in to the SALES database:
ALTER TABLESPACE sales_q1 ADD DATAFILE;
Which are two actions, either one of which you could take to ensure that the command executes successfully? (Choose two.)
Answer: B,E
NEW QUESTION # 51
You have been tasked to create a table for a banking application.
One of the columns must meet three requirements:
1. Be stored in a format supporting date arithmetic without using
conversion functions
2. Store a loan period of up to 10 years
3. Be used for calculating interest for the number of days the loan
remains unpaid
Which data type should you use?
Answer: E
NEW QUESTION # 52
Which three statements are true about external tables in Oracle 18c and later releases? (Choose three.)
Answer: B,D,F
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/18/admin/managing-tables.html#GUID-F6948F0E-0557-4C42-9145-1897DE974CC3
NEW QUESTION # 53
In the ORCL database, UNDOTBS1 is the active undo tablespace with these properties:
1. A size of 100 MB
2. AUTOEXTEND is off
3. UNDO_RETENTION is set to 15 minutes
4. It has RETENTION GUARANTEE
UNDOTBS1 fills with uncommitted undo 10 minutes after the database opens.
What will happen when the next update is attempted by any transaction?
Answer: E
Explanation:
Explanation
NEW QUESTION # 54
You start your database instance in NOMOUNT state. Which two actions are performed?
Answer: D,E
NEW QUESTION # 55
......
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