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| Section | Objectives |
|---|---|
| Introduction to Oracle Database | - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database instance and memory structures - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain Oracle Database server architecture - Describe Oracle Database architecture - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) |
| 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 - Use nested functions - Apply the NVL, NULLIF, and COALESCE functions |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Describe the background processes - Understand Oracle Database instance management |
| 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 |
| Managing Oracle Database Instances | - Manage initialization parameter files (SPFILE, PFILE) - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance |
| Using Subqueries to Solve Queries | - 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 - Describe the types of subqueries (single-row, multi-row, multiple-column) - Define subqueries - Use scalar subqueries in SQL |
| Managing Data in Different Time Zones | - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) - Explain the concepts of time zones and daylight savings - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) |
| Managing Schema Objects | - Create and modify tables - Manage sequences and synonyms - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create indexes and views |
| Restricting and Sorting Data | - Sort data using the ORDER BY clause - Use the BETWEEN comparator - Use comparison operators and logical operators (AND, OR, NOT) - Use the LIKE and IN operators - Use the NULL operators (IS NULL, IS NOT NULL) - Use the WHERE clause to limit retrieved rows |
| 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 |
| Understanding Oracle Database Architecture - Database Storage Structures | - Describe the logical and physical database structures - Create and manage tablespaces - Describe tablespaces and data files - Manage space in tablespaces |
| Retrieving Data using the SQL SELECT Statement | - Use scalar and correlated subqueries - Use the ORDER BY clause - List the capabilities of SQL SELECT statements - Execute a basic SELECT statement - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general) |
| Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Using Single-Row Functions to Customize Output | - Use CASE and DECODE for conditional expressions - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use character, number, and date functions in SELECT statements - Describe various types of functions available in SQL |
| Reporting Aggregated Data Using the Group Functions | - Use the HAVING clause to filter grouped data - Use the GROUP BY clause to group data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) |
| Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Describe different types of joins and their features - Join a table to itself using self-join - Use CROSS joins - Use OUTER joins (LEFT, RIGHT, FULL) |
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NEW QUESTION # 77
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?
Answer: C
NEW QUESTION # 78
Which two tasks can you perform using DBCA for databases? (Choose two.)
Answer: B,C
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B16254_01/doc/server.102/b14196/install003.htm
NEW QUESTION # 79
You execute this command:
During the export operation, you detach from the job by using CTRL+C and then execute this command:
Export> STOP_JOB=immediate
Are you sure you wish to stop the job ([yes]/no): yes
Which two statements are true about the job? (Choose two.)
Answer: A,C
Explanation:
Reference:
https://blog.oracle48.nl/killing-and-resuming-datapump-expdp-and-impdp-jobs/
NEW QUESTION # 80
Which two statements are true about the rules of precedence for operators? (Choose two.)
Answer: C,D
Explanation:
Reference:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm
https://docs.oracle.com/cd/A87860_01/doc/server.817/a85397/operator.htm Precedence is the order in which Oracle evaluates different operators in the same expression. When evaluating an expression containing multiple operators, Oracle evaluates operators with higher precedence before evaluating those with lower precedence. Oracle evaluates operators with equal precedence from left to right within an expression.
NEW QUESTION # 81
Which two statements are true about Database Instances and Real Application Clusters (RAC)?
Answer: A,C
NEW QUESTION # 82
......
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