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| Section | Objectives |
|---|---|
| Using Single-Row Functions to Customize Output | - Use CASE and DECODE for conditional expressions - Describe various types of functions available in SQL - Use character, number, and date functions in SELECT statements - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) |
| Managing Schema Objects | - Create indexes and views - Manage sequences and synonyms - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) - Create and modify tables |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Describe the background processes - Understand Oracle Database instance management |
| Restricting and Sorting Data | - 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 BETWEEN comparator - Sort data using the ORDER BY clause - Use the WHERE clause to limit retrieved rows |
| Introduction to Oracle Database | - Explain Oracle Database server architecture - Describe Oracle Database architecture - Describe Oracle Database instance and memory structures - Describe Oracle processes (PMON, SMON, DBWn, LGWR, CKPT, others) - Explain database storage structures (data blocks, segments, tablespaces, data files) - Describe Oracle Database Cloud Service (DBCS) architecture and features |
| Understanding Oracle Database Architecture - Database Storage Structures | - Describe tablespaces and data files - Create and manage tablespaces - Manage space in tablespaces - Describe the logical and physical database structures |
| Managing Oracle Database Instances | - View the alert log and access dynamic performance views - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) - Manage initialization parameter files (SPFILE, PFILE) |
| Displaying Data from Multiple Tables Using Joins | - Use OUTER joins (LEFT, RIGHT, FULL) - Describe different types of joins and their features - Use CROSS joins - Use Equijoins and Non-equijoins - Join a table to itself using self-join |
| Using Conversion Functions and Conditional Expressions | - 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 - Use nested functions |
| Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Managing Data in Different Time Zones | - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Explain the concepts of time zones and daylight savings - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) |
| Retrieving Data using the SQL SELECT Statement | - Execute a basic SELECT statement - Use scalar and correlated subqueries - Use the ORDER BY clause - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general) - List the capabilities of SQL SELECT statements |
| 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 - Navigate the Exadata Express Cloud Service console - Identify the prerequisites for Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance |
| Using Subqueries to Solve Queries | - Define subqueries - Use single-row subqueries with single-row and multiple-row operators - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Describe the types of subqueries (single-row, multi-row, multiple-column) - Use scalar subqueries in SQL - Use subqueries in the WHERE clause and HAVING clause |
| Managing Users, Roles, and Privileges | - Create and manage database user accounts - Create and manage roles - Differentiate system privileges and object privileges - Grant and revoke privileges |
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NEW QUESTION # 102
View the Exhibits and examine the structure of the COSTS and PROMOTIONS tables.
You want to display PROD_IDS whose promotion cost is less than the highest cost PROD_ID in a promotion time interval.
Examine this SQL statement:
Exhibit 1.
Exhibit 2.
What will be the result?
Answer: D
NEW QUESTION # 103
Which two are true about RETENTION GUARANTEE? (Choose two.)
Answer: A,C
NEW QUESTION # 104
You execute this query:
SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE), `MON'), `dd "Monday for"
fmMonth rrrr')
What is the result?
Answer: B
NEW QUESTION # 105
Which three failures require intervention for recovery? (Choose three.)
Answer: A,B,C
NEW QUESTION # 106
Which three statements are true about external tables in Oracle 18c and later releases? (Choose three.)
Answer: C,D,E
NEW QUESTION # 107
......
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