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| Section | Objectives |
|---|---|
| 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 |
| 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) |
| 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 - Provision and manage an Exadata Express Cloud Service instance - Navigate the Exadata Express Cloud Service console |
| Using Subqueries to Solve Queries | - Use subqueries in the WHERE clause and HAVING clause - 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 single-row subqueries with single-row and multiple-row operators |
| Using Conversion Functions and Conditional Expressions | - Use nested functions - Apply the NVL, NULLIF, and COALESCE functions - Use the CAST function for data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions |
| Managing Users, Roles, and Privileges | - Create and manage database user accounts - Differentiate system privileges and object privileges - Create and manage roles - Grant and revoke privileges |
| Understanding Oracle Database Architecture - Database Storage Structures | - Create and manage tablespaces - Manage space in tablespaces - Describe the logical and physical database structures - Describe tablespaces and data files |
| 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 processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database architecture - Explain Oracle Database server architecture - Describe Oracle Database instance and memory structures |
| Managing Oracle Database Instances | - Use the Automatic Diagnostic Repository (ADR) - View the alert log and access dynamic performance views - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance |
| Restricting and Sorting Data | - Use the LIKE and IN operators - Use the BETWEEN comparator - Use the WHERE clause to limit retrieved rows - Use comparison operators and logical operators (AND, OR, NOT) - Use the NULL operators (IS NULL, IS NOT NULL) - Sort data using the ORDER BY clause |
| Retrieving Data using the SQL SELECT Statement | - Execute a basic SELECT statement - Describe how schema objects work - Use the ORDER BY clause - Use scalar and correlated subqueries - Use SQL row functions (character, number, date, conversion, general) - List the capabilities of SQL SELECT statements |
| Displaying Data from Multiple Tables Using Joins | - Use CROSS joins - Join a table to itself using self-join - Use OUTER joins (LEFT, RIGHT, FULL) - Use Equijoins and Non-equijoins - Describe different types of joins and their features |
| Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Managing Schema Objects | - Create and modify tables - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Manage sequences and synonyms |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Understand Oracle Database instance management - Describe the background processes - Explain the memory structures (SGA, PGA) |
| Using Single-Row Functions to Customize Output | - 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 - Describe various types of functions available in SQL |
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88. Frage
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
Antwort: A,E
Begründung:
Reference:
https://docs.oracle.com/en/database/oracle/oracle-database/19/admqs/getting-started-with-database-administration.html#GUID-EB851101-07BE-4038-BB9D-06E01CC7F5D5
89. Frage
A database is configured to use automatic undo management with temporary undo enabled.
An UPDATE is executed on a temporary table.
Where is the UNDO stored?
Antwort: C
Begründung:
http://www.dba-oracle.com/t_temp_undo_enabled.htm
90. Frage
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
Antwort: A,B
Begründung:
https://docs.oracle.com/en/database/oracle/oracle-database/19/admqs/getting-started-with- database-administration.html#GUID-EB851101-07BE-4038-BB9D-06E01CC7F5D5
91. Frage
Which two statements are true about the DUAL table? (Choose two.)
Antwort: D,E
92. Frage
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)
Antwort: B,E
93. Frage
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