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| Section | Objectives |
|---|---|
| Introduction to Oracle Database | - 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 - Explain database storage structures (data blocks, segments, tablespaces, data files) - Explain Oracle Database server architecture - Describe Oracle Database architecture |
| Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Join a table to itself using self-join - Use OUTER joins (LEFT, RIGHT, FULL) - Use CROSS joins - Describe different types of joins and their features |
| Working with Oracle Cloud Exadata Express Cloud Service | - Provision and manage an Exadata Express Cloud Service instance - 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 |
| Understanding Oracle Database Architecture - Database Storage Structures | - Manage space in tablespaces - Describe the logical and physical database structures - Describe tablespaces and data files - Create and manage tablespaces |
| Managing Schema Objects | - Create and modify tables - Manage sequences and synonyms - Create indexes and views - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) |
| Restricting and Sorting Data | - Use the BETWEEN comparator - Use the LIKE and IN operators - Use the NULL operators (IS NULL, IS NOT NULL) - Use comparison operators and logical operators (AND, OR, NOT) - Use the WHERE clause to limit retrieved rows - Sort data using the ORDER BY clause |
| Retrieving Data using the SQL SELECT Statement | - Use the ORDER BY clause - List the capabilities of SQL SELECT statements - Describe how schema objects work - Use SQL row functions (character, number, date, conversion, general) - Use scalar and correlated subqueries - Execute a basic SELECT statement |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Explain the memory structures (SGA, PGA) - Describe the background processes - Understand Oracle Database instance management |
| Managing Oracle Database Instances | - View the alert log and access dynamic performance views - Use the Automatic Diagnostic Repository (ADR) - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance |
| Managing Users, Roles, and Privileges | - Create and manage roles - Differentiate system privileges and object privileges - Grant and revoke privileges - Create and manage database user accounts |
| Managing Data in Different Time Zones | - Explain the concepts of time zones and daylight savings - Describe the use of datetime functions (CURRENT_DATE, EXTRACT, LOCALTIMESTAMP) - Use various datetime data types (DATE, TIMESTAMP, INTERVAL) |
| Using Subqueries to Solve Queries | - Use subqueries in the WHERE clause and HAVING clause - Use single-row subqueries with single-row and multiple-row operators - Use scalar subqueries in SQL - Describe the types of subqueries (single-row, multi-row, multiple-column) - Define subqueries - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) |
| 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) |
| Using Single-Row Functions to Customize Output | - Use CASE and DECODE for conditional expressions - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use character, number, and date functions in SELECT statements - Describe various types of functions available in SQL |
| Using the Set Operators | - Use set operators to combine multiple queries into a single query - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) |
| Using Conversion Functions and Conditional Expressions | - Use nested functions - Apply the NVL, NULLIF, and COALESCE functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use the CAST function for data type conversion |
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NEW QUESTION # 47
Which three statements are true about a self join? (Choose three.)
Answer: B,E,F
NEW QUESTION # 48
In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.
The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains:
Which statement is true?
Answer: E
NEW QUESTION # 49
View the Exhibit and examine the structure of the PRODUCTS table.
Which two tasks require subqueries? (Choose two.)
Answer: B,E
NEW QUESTION # 50
Which statement is true about database links?
Answer: B
NEW QUESTION # 51
Which two statements are true about views used for viewing tablespace and datafile information? (Choose two.)
Answer: B,E
NEW QUESTION # 52
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