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| Section | Objectives |
|---|---|
| Restricting and Sorting Data | - Use the WHERE clause to limit retrieved rows - Use the BETWEEN comparator - Use the NULL operators (IS NULL, IS NOT NULL) - Use the LIKE and IN operators - Sort data using the ORDER BY clause - Use comparison operators and logical operators (AND, OR, NOT) |
| Using Subqueries to Solve Queries | - Use single-row subqueries with single-row and multiple-row operators - Use multiple-row subqueries with multiple-row operators (IN, ANY, ALL) - Use subqueries in the WHERE clause and HAVING clause - Define subqueries - Use scalar subqueries in SQL - Describe the types of subqueries (single-row, multi-row, multiple-column) |
| Managing Users, Roles, and Privileges | - Grant and revoke privileges - Differentiate system privileges and object privileges - Create and manage roles - Create and manage database user accounts |
| Retrieving Data using the SQL SELECT Statement | - Use scalar and correlated subqueries - Describe how schema objects work - Use the ORDER BY clause - Execute a basic SELECT statement - Use SQL row functions (character, number, date, conversion, general) - List the capabilities of SQL SELECT statements |
| Using the Set Operators | - Describe set operators (UNION, UNION ALL, INTERSECT, MINUS) - Use set operators to combine multiple queries into a single query |
| Understanding Oracle Database Architecture - Database Storage Structures | - Manage space in tablespaces - Create and manage tablespaces - Describe the logical and physical database structures - Describe tablespaces and data files |
| Understanding Oracle Database Architecture - Oracle Database Instance | - Understand Oracle Database instance management - Explain the memory structures (SGA, PGA) - Describe the background processes |
| Displaying Data from Multiple Tables Using Joins | - Use Equijoins and Non-equijoins - Join a table to itself using self-join - Use CROSS joins - Describe different types of joins and their features - Use OUTER joins (LEFT, RIGHT, FULL) |
| Using Conversion Functions and Conditional Expressions | - Use nested functions - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions - Use the CAST function for data type conversion |
| Managing Oracle Database Instances | - View the alert log and access dynamic performance views - Manage initialization parameter files (SPFILE, PFILE) - Start up and shut down an Oracle Database instance - Use the Automatic Diagnostic Repository (ADR) |
| 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 |
| Using Single-Row Functions to Customize Output | - Describe various types of functions available in SQL - Describe the use of conversion functions (TO_CHAR, TO_NUMBER, TO_DATE) - Use CASE and DECODE for conditional expressions - Use character, number, and date functions in SELECT statements |
| 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) |
| Working with Oracle Cloud Exadata Express Cloud Service | - Identify the prerequisites for Exadata Express Cloud Service - Describe the features and benefits of Exadata Express Cloud Service - Provision and manage an Exadata Express Cloud Service instance - Navigate the Exadata Express Cloud Service console |
| Introduction to Oracle Database | - Describe Oracle Database Cloud Service (DBCS) architecture and features - 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) - Explain Oracle Database server architecture - Describe Oracle Database architecture |
| Managing Schema Objects | - Create and modify tables - Create indexes and views - Manage sequences and synonyms - Manage constraints (NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK) |
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NEW QUESTION # 160
Examine the description of the BOOKS table:
The table has 100 rows.
Examine this sequence of statements issued in a new session:
INSERT INTO books VALUES ('ADV112', 'Adventures of Tom Sawyer', NULL,
NULL);
SAVEPOINT a;
DELETE FROM books;
ROLLBACK TO SAVEPOINT a;
ROLLBACK;
Which two statements are true? (Choose two.)
Answer: A,B
NEW QUESTION # 161
Which three statements are true about Oracle synonyms? (Choose three.)
Answer: B,C,E
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_7001.htm
NEW QUESTION # 162
Which three statements are true about a self join? (Choose three.)
Answer: A,D,E
Explanation:
Explanation
NEW QUESTION # 163
The orders table has a column ORDER_DATE of data type date.
The default display format for a date Is DD-MON-RR.
Which two where conditions demonstrate the correct usage of conversion functions?
Answer: B,D
NEW QUESTION # 164
In the SALES database, DEFERRED_SEGMENT_CREATION is TRUE.
Examine this command:
SQL> CREATE TABLE T1(c1 INT PRIMARY KEY, c2 CLOB);
Which segment or segments, if any, are created as a result of executing the command?
Answer: B
NEW QUESTION # 165
......
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