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| Section | Objectives |
|---|---|
| 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 |
| Understanding Oracle Database Architecture - Database Storage Structures | - Describe the logical and physical database structures - Describe tablespaces and data files - Manage space in tablespaces - Create and manage tablespaces |
| Using Subqueries to Solve Queries | - Use scalar subqueries in SQL - 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 - Define subqueries - Describe the types of subqueries (single-row, multi-row, multiple-column) |
| Restricting and Sorting Data | - Use the BETWEEN comparator - Use comparison operators and logical operators (AND, OR, NOT) - Use the NULL operators (IS NULL, IS NOT NULL) - Use the WHERE clause to limit retrieved rows - Use the LIKE and IN operators - Sort data using the ORDER BY clause |
| Managing Users, Roles, and Privileges | - Grant and revoke privileges - Create and manage roles - Differentiate system privileges and object privileges - Create and manage database user accounts |
| Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Managing Schema Objects | - Manage sequences and synonyms - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables |
| 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 |
| 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 |
| Introduction to Oracle Database | - Explain Oracle Database server architecture - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Describe Oracle Database instance and memory structures - Describe Oracle Database architecture |
| 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) |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Explain the memory structures (SGA, PGA) - Understand Oracle Database instance management |
| Working with Oracle Cloud Exadata Express Cloud Service | - Navigate the Exadata Express Cloud Service console - 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 |
| Using Single-Row Functions to Customize Output | - Use character, number, and date functions in SELECT statements - Describe various types of functions available in SQL - Use CASE and DECODE for conditional expressions - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) |
| Retrieving Data using the SQL SELECT Statement | - Describe how schema objects work - Execute a basic SELECT statement - Use scalar and correlated subqueries - Use the ORDER BY clause - List the capabilities of SQL SELECT statements - Use SQL row functions (character, number, date, conversion, general) |
| Using Conversion Functions and Conditional Expressions | - Use the CAST function for data type conversion - Use nested functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions |
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NEW QUESTION # 118
Which two tasks can you perform using DBCA for databases? (Choose two.)
Answer: A,C
Explanation:
https://docs.oracle.com/cd/B16254_01/doc/server.102/b14196/install003.htm
NEW QUESTION # 119
Which two statements are true about the SET VERIFY ON command? (Choose two.)
Answer: A,E
NEW QUESTION # 120
Which three statements are true concerning logical and physical database structures? (Choose three.)
Answer: C,E,F
NEW QUESTION # 121
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?
Answer: A
Explanation:
https://docs.oracle.com/database/121/ADMIN/undo.htm#ADMIN11478 (16.7)
NEW QUESTION # 122
View the Exhibit and examine the structure of the PRODUCTS table.
Which two tasks require subqueries? (Choose two.)
Answer: A,B
NEW QUESTION # 123
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