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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Working with Oracle Database SQL | 8% | - Start up and shut down a database - Describe the Oracle Database architecture - Create a container database - Explain the installation of Oracle Database software |
| Topic 2: Retrieving Data Using the SQL SELECT Statement | 5% | - List the capabilities of SQL SELECT statements - Execute a basic SELECT statement - Differentiate between SQL statements and SQL*Plus commands |
| Topic 3: Restricting and Sorting Data | 6% | - Use DEFINE and UNDEFINE commands - Use ampersand substitution to restrict and sort output at runtime - Limit the rows that are retrieved by a query - Sort the rows that are retrieved by a query |
| Topic 4: Creating Other Schema Objects | 10% | - Create, modify, and retrieve data from a view - Create, maintain, and use sequences - Create and maintain indexes - Create synonyms for database objects |
| Topic 5: Manipulating Data | 14% | - Control transactions - Update rows in a table - Delete rows from a table - Describe each data manipulation language (DML) statement - Insert rows into a table |
| Topic 6: Displaying Data from Multiple Tables Using Joins | 15% | - View data that does not meet a join condition by using outer joins - Cross join tables - Join a table to itself by using a self-join - Write SELECT statements to access data from more than one table using equijoins and non-equijoins |
| Topic 7: Using Conversion Functions and Conditional Expressions | 10% | - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Describe implicit and explicit data type conversion - Use conditional IF THEN ELSE logic in a SELECT statement - Apply the NVL, NULLIF, and COALESCE functions to data |
| Topic 8: Reporting Aggregated Data Using Group Functions | 15% | - Identify the available group functions - Include or exclude grouped rows by using the HAVING clause - Group data by using the GROUP BY clause - Describe the use of group functions |
| Topic 9: Using DDL Statements to Create and Manage Tables | 14% | - Categorize the main database objects - Alter table definitions - Create a simple table - Describe the data types that are available for columns - Review the table structure - Drop, rename, and truncate tables |
| Topic 10: Using Set Operators | 5% | - Use a set operator to combine multiple queries into a single query - Describe the order of precedence when the set operators are used - Describe set operators |
| Topic 11: Using Subqueries to Solve Queries | 15% | - Write single-row and multi-row subqueries - List the types of subqueries - Define subqueries - Describe the types of problems that subqueries can solve |
| Topic 12: Controlling User Access | 5% | - Differentiate system privileges from object privileges - Grant privileges on tables and on a view - Distinguish between granting privileges and roles |
| Topic 13: Using Single-Row Functions to Customize Output | 10% | - Manipulate dates with the date functions - Describe the differences between single-row and multiple-row functions - Manipulate strings with character function in the SELECT and WHERE clauses - Perform arithmetic with date data - Manipulate numbers with the ROUND, TRUNC, and MOD functions |
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NEW QUESTION # 270
Examine the structure of the MARKS table:
Which two statements would execute successfully? (Choose two.)
Answer: B,D
NEW QUESTION # 271
Which three statements are true about Oracle synonyms?
Answer: B,C,D
Explanation:
B . True. In Oracle, synonyms can be created for sequences, allowing them to be referenced with an alternative name. This can be particularly useful when sequences are accessed across different schemas.
C . True. Oracle provides the ability to create public synonyms which are available to all users in the database. A public synonym is accessible to any user that has the necessary privileges on the underlying object.
D . True. A synonym can be created by a user to refer to an object owned by another user, assuming that the creator of the synonym has the necessary privileges to access the object owned by the other user.
NEW QUESTION # 272
Evaluate the following CRTEATE TABLE commands:
CREATE_TABLE orders
(ord_no NUMBER (2) CONSTRAINT ord_pk PRIMARY KEY,
ord_date DATE,
cust_id NUMBER (4) );
CREATE TABLE ord_items
(ord _no NUMBER (2),
item_no NUMBER(3),
qty NUMBER (3) CHECK (qty BETWEEEN 100 AND 200),
expiry_date date CHECK (expiry_date> SYSDATE),
CONSTRAINT it_pk PRIMARY KEY (ord_no, item_no),
CONSTARAINT ord_fk FOREIGN KEY (ord_no) REFERENCES orders (ord_no) );
The above command fails when executed. What could be the reason?
Answer: D
NEW QUESTION # 273
Which two statements are true about dropping views? (Choose two.)
Answer: A,B
Explanation:
The view must be in your own schema or you must have the DROP ANY VIEW system privilege.
Specify CASCADE CONSTRAINTS to drop all referential integrity constraints that refer to primary and unique keys in the view to be dropped.
https://docs.oracle.com/cd/B12037_01/server.101/b10759/statements_9009.htm
NEW QUESTION # 274
Which statement correctly grants a system privilege?
Answer: A
NEW QUESTION # 275
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