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| Section | Objectives |
|---|---|
| Understanding Oracle Database Architecture - Database Storage Structures | - Manage space in tablespaces - Describe the logical and physical database structures - Create and manage tablespaces - Describe tablespaces and data files |
| Using Subqueries to Solve Queries | - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use scalar subqueries in SQL - Use single-row subqueries with single-row and multiple-row operators - Define subqueries - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use subqueries in the WHERE clause and HAVING clause |
| Retrieving Data using the SQL SELECT Statement | - List the capabilities of SQL SELECT statements - Use the ORDER BY clause - Execute a basic SELECT statement - Use scalar and correlated subqueries - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general) |
| Working with Oracle Cloud Exadata Express Cloud Service | - Navigate the Exadata Express Cloud Service console - Identify the prerequisites for Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance - Describe the features and benefits of Exadata Express Cloud Service |
| 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 Users, Roles, and Privileges | - Create and manage database user accounts - Create and manage roles - Grant and revoke privileges - Differentiate system privileges and object privileges |
| Introduction to Oracle Database | - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Describe Oracle Database Cloud Service (DBCS) architecture and features - Explain database storage structures (data blocks, segments, tablespaces, data files) - Explain Oracle Database server architecture - Describe Oracle Database instance and memory structures - Describe Oracle Database architecture |
| Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Displaying Data from Multiple Tables Using Joins | - Use CROSS joins - Join a table to itself using self-join - Use Equijoins and Non-equijoins - Use OUTER joins (LEFT, RIGHT, FULL) - Describe different types of joins and their features |
| Restricting and Sorting Data | - Use comparison operators and logical operators (AND, OR, NOT) - Use the NULL operators (IS NULL, IS NOT NULL) - Use the LIKE and IN operators - Use the WHERE clause to limit retrieved rows - Use the BETWEEN comparator - Sort data using the ORDER BY clause |
| 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 Oracle Database Instances | - Manage initialization parameter files (SPFILE, PFILE) - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) |
| 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 |
| Reporting Aggregated Data Using the Group Functions | - Describe group functions (AVG, SUM, MIN, MAX, COUNT) - Use the HAVING clause to filter grouped data - Use the GROUP BY clause to group data |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Describe the background processes - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) |
| Managing Schema Objects | - Manage sequences and synonyms - Create and modify tables - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) |
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NEW QUESTION # 117
What is true about non-equijoin statement performance? (Choose two.)
Answer: B,C
Explanation:
Explanation
NEW QUESTION # 118
Examine the description of the employees table:
Which query requires explicit data type conversion?
Answer: D
NEW QUESTION # 119
Examine these commands:
Which two statements are true about the sqlldr execution? (Choose two.)
Answer: A,B
NEW QUESTION # 120
Which three statements are true about the Oracle join and ANSI join syntax? (Choose three.)
Answer: B,C,F
Explanation:
https://oracle-base.com/articles/9i/ansi-iso-sql-support
NEW QUESTION # 121
Examine this command and some partial output:
Why does the DB01.abc.com service show unknown status?
Answer: A
NEW QUESTION # 122
......
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