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| Section | Objectives |
|---|---|
| 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 | - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) - Manage initialization parameter files (SPFILE, PFILE) |
| Working with Oracle Cloud Exadata Express Cloud Service | - Identify the prerequisites for Exadata Express Cloud Service - Describe the features and benefits of Exadata Express Cloud Service - Navigate the Exadata Express Cloud Service console - Provision and manage an Exadata Express Cloud Service instance |
| Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Describe the logical and physical database structures - Create and manage tablespaces - Manage space in tablespaces |
| Managing Users, Roles, and Privileges | - Grant and revoke privileges - Create and manage database user accounts - Create and manage roles - Differentiate system privileges and object privileges |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) |
| Introduction to Oracle Database | - Describe Oracle Database instance and memory structures - Explain Oracle Database server architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain database storage structures (data blocks, segments, tablespaces, data files) |
| Retrieving Data using the SQL SELECT Statement | - List the capabilities of SQL SELECT statements - Execute a basic SELECT statement - Use the ORDER BY clause - Describe how schema objects work - Use scalar and correlated subqueries - Use SQL row functions (character, number, date, conversion, general) |
| Using Conversion Functions and Conditional Expressions | - Use the CAST function for data type conversion - Apply the NVL, NULLIF, and COALESCE functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use nested functions |
| 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 |
| 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 |
| Restricting and Sorting Data | - Use the NULL operators (IS NULL, IS NOT NULL) - 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 - Sort data using the ORDER BY clause |
| Using Subqueries to Solve Queries | - Use subqueries in the WHERE clause and HAVING clause - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use scalar subqueries in SQL - Use single-row subqueries with single-row and multiple-row operators - Describe the types of subqueries (single-row, multi-row, multiple-column) - Define subqueries |
| 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) |
| Managing Schema Objects | - Create indexes and views - Create and modify tables - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms |
| Displaying Data from Multiple Tables Using Joins | - Use CROSS joins - Use OUTER joins (LEFT, RIGHT, FULL) - Join a table to itself using self-join - Use Equijoins and Non-equijoins - Describe different types of joins and their features |
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NEW QUESTION # 97
Which two statements are true about substitution variables?
Answer: A
NEW QUESTION # 98
Which two statements are true about the PMON background process? (Choose two.)
Answer: C,E
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14220/process.htm
NEW QUESTION # 99
Your database instance is started with a PFILE.
Examine these parameters:
You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?
Answer: A
Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902
NEW QUESTION # 100
Your database instance was shut down normally and then started in NOMOUNT state. You then execute this command:
ALTER DATABASE MOUNT;
Which two actions are performed? (Choose two.)
Answer: E,F
NEW QUESTION # 101
Which three instance situations are possible with the Oracle Database server without multi-tenant? (Choose three.)
Answer: B,C,D
NEW QUESTION # 102
......
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