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| Section | Objectives |
|---|---|
| Working with Oracle Cloud Exadata Express Cloud Service | - Provision and manage an Exadata Express Cloud Service instance - Describe the features and benefits of Exadata Express Cloud Service - Identify the prerequisites for Exadata Express Cloud Service - Navigate the Exadata Express Cloud Service console |
| Using Conversion Functions and Conditional Expressions | - Use the CAST function for data type conversion - Apply the NVL, NULLIF, and COALESCE functions - Use nested functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions |
| 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 |
| Using Subqueries to Solve Queries | - Describe the types of subqueries (single-row, multi-row, multiple-column) - Define subqueries - Use single-row subqueries with single-row and multiple-row operators - 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 |
| 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 |
| Retrieving Data using the SQL SELECT Statement | - Use the ORDER BY clause - Execute a basic SELECT statement - Describe how schema objects work - Use scalar and correlated subqueries - List the capabilities of SQL SELECT statements - Use SQL row functions (character, number, date, conversion, general) |
| Using Single-Row Functions to Customize Output | - 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 - Use character, number, and date functions in SELECT statements |
| Restricting and Sorting Data | - Use the LIKE and IN operators - Use the WHERE clause to limit retrieved rows - Sort data using the ORDER BY clause - Use the BETWEEN comparator - Use the NULL operators (IS NULL, IS NOT NULL) - Use comparison operators and logical operators (AND, OR, NOT) |
| 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 the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Reporting Aggregated Data Using the Group Functions | - Use the GROUP BY clause to group data - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the HAVING clause to filter grouped data |
| 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 | - Describe Oracle Database architecture - Describe Oracle Database instance and memory structures - Explain Oracle Database server architecture - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) |
| Managing Users, Roles, and Privileges | - Differentiate system privileges and object privileges - Grant and revoke privileges - Create and manage roles - Create and manage database user accounts |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Describe the background processes - Understand Oracle Database instance management |
| Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Use CROSS joins - Describe different types of joins and their features - Join a table to itself using self-join - Use OUTER joins (LEFT, RIGHT, FULL) |
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NEW QUESTION # 14
The stores table has a column START_DATE of data type DATE, containing the date the row was inserted. You only want to display details of rows where START_DATE is within the last 25 months.
Which where clause can be used?
Answer: B
NEW QUESTION # 15
While one of your databases was in mount state, the datafiles were renamed because they had been moved to a new file system. The database was then opened.
Which two statements are true?
Answer: B,E
NEW QUESTION # 16
Which two statements are true about substitution variables?
Answer: F
NEW QUESTION # 17
In one of your databases, you create a user, HR, and then execute this command:
GRANT CREATE SESSION TO hr WITH ADMIN OPTION;
Which four actions can HR perform? (Choose four.)
Answer: A,B,E,F
Explanation:
Explanation
NEW QUESTION # 18
Which three statements are true about Oracle synonyms? (Choose three.)
Answer: A,B,D
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_7001.htm
NEW QUESTION # 19
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