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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Using Subqueries to Solve Queries | 15% | - List the types of subqueries - Describe the types of problems that subqueries can solve - Define subqueries - Write single-row and multi-row subqueries |
| Topic 2: 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 - Apply the NVL, NULLIF, and COALESCE functions to data - Use conditional IF THEN ELSE logic in a SELECT statement |
| Topic 3: Reporting Aggregated Data Using Group Functions | 15% | - Group data by using the GROUP BY clause - Identify the available group functions - Describe the use of group functions - Include or exclude grouped rows by using the HAVING clause |
| Topic 4: Using Single-Row Functions to Customize Output | 10% | - Manipulate strings with character function in the SELECT and WHERE clauses - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Manipulate dates with the date functions - Describe the differences between single-row and multiple-row functions - Perform arithmetic with date data |
| Topic 5: Manipulating Data | 14% | - Delete rows from a table - Insert rows into a table - Update rows in a table - Describe each data manipulation language (DML) statement - Control transactions |
| Topic 6: Restricting and Sorting Data | 6% | - Sort the rows that are retrieved by a query - Use ampersand substitution to restrict and sort output at runtime - Limit the rows that are retrieved by a query - Use DEFINE and UNDEFINE commands |
| Topic 7: Creating Other Schema Objects | 10% | - Create, modify, and retrieve data from a view - Create, maintain, and use sequences - Create synonyms for database objects - Create and maintain indexes |
| Topic 8: Working with Oracle Database SQL | 8% | - Start up and shut down a database - Explain the installation of Oracle Database software - Describe the Oracle Database architecture - Create a container database |
| Topic 9: 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 10: Retrieving Data Using the SQL SELECT Statement | 5% | - Differentiate between SQL statements and SQL*Plus commands - List the capabilities of SQL SELECT statements - Execute a basic SELECT statement |
| Topic 11: Displaying Data from Multiple Tables Using Joins | 15% | - Write SELECT statements to access data from more than one table using equijoins and non-equijoins - Cross join tables - Join a table to itself by using a self-join - View data that does not meet a join condition by using outer joins |
| Topic 12: Controlling User Access | 5% | - Distinguish between granting privileges and roles - Grant privileges on tables and on a view - Differentiate system privileges from object privileges |
| Topic 13: Using DDL Statements to Create and Manage Tables | 14% | - Alter table definitions - Describe the data types that are available for columns - Categorize the main database objects - Drop, rename, and truncate tables - Create a simple table - Review the table structure |
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NEW QUESTION # 118
Examine this partial command:
Which two clauses are required for this command to execute successfully? (Choose two.)
Answer: B,D
NEW QUESTION # 119
Which three are true about granting object privileges on tables, views, and sequences?
Answer: A,C,D
NEW QUESTION # 120
You executed the following CREATE TABLE statement that resulted in an error:
SQL> CREATE TABLE employees(emp_id NUMBER(10) PRIMARY KEY, ename VARCHAR2(20), email NUMBER(3) UNIQUE, address VARCHAR2(500), phone VARCHAR2(20), resume LONG, hire_date DATE, remarks LONG, dept_id NUMBER(3) CONSTRAINT emp_dept_id_fk REFERENCES departments (dept_id), CONSTRAINT ename_nn NOY NULL(ename)); Identify two reasons for the error.
Answer: A,D
NEW QUESTION # 121
The user SCOTTwho is the owner of ORDERSand ORDER_ITEMStables issues this GRANTcommand:
GRANT ALL
ON orders, order_items
TO PUBLIC;
What must be done to fix the statement?
Answer: D
Explanation:
Explanation/Reference:
References:
http://docs.oracle.com/javadb/10.8.3.0/ref/rrefsqljgrant.html
NEW QUESTION # 122
Evaluate the following ALTER TABLE statement:
ALTER TABLE orders SET UNUSED order_date; Which statement is true?
Answer: D
NEW QUESTION # 123
......
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