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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Displaying Data from Multiple Tables Using Joins | 15% | - 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 - Cross join tables - View data that does not meet a join condition by using outer joins |
| Topic 2: Using Subqueries to Solve Queries | 15% | - List the types of subqueries - Write single-row and multi-row subqueries - Describe the types of problems that subqueries can solve - Define subqueries |
| Topic 3: Controlling User Access | 5% | - Differentiate system privileges from object privileges - Distinguish between granting privileges and roles - Grant privileges on tables and on a view |
| Topic 4: 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 5: Working with Oracle Database SQL | 8% | - Explain the installation of Oracle Database software - Start up and shut down a database - Describe the Oracle Database architecture - Create a container database |
| Topic 6: Manipulating Data | 14% | - Describe each data manipulation language (DML) statement - Control transactions - Delete rows from a table - Update rows in a table - Insert rows into a table |
| Topic 7: Reporting Aggregated Data Using Group Functions | 15% | - Include or exclude grouped rows by using the HAVING clause - Describe the use of group functions - Group data by using the GROUP BY clause - Identify the available group functions |
| Topic 8: Using DDL Statements to Create and Manage Tables | 14% | - Review the table structure - Alter table definitions - Create a simple table - Describe the data types that are available for columns - Drop, rename, and truncate tables - Categorize the main database objects |
| 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: Restricting and Sorting Data | 6% | - Sort the rows that are retrieved by a query - Limit the rows that are retrieved by a query - Use ampersand substitution to restrict and sort output at runtime - Use DEFINE and UNDEFINE commands |
| Topic 11: Creating Other Schema Objects | 10% | - Create and maintain indexes - Create, modify, and retrieve data from a view - Create synonyms for database objects - Create, maintain, and use sequences |
| Topic 12: Retrieving Data Using the SQL SELECT Statement | 5% | - Execute a basic SELECT statement - Differentiate between SQL statements and SQL*Plus commands - List the capabilities of SQL SELECT statements |
| Topic 13: Using Single-Row Functions to Customize Output | 10% | - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Perform arithmetic with date data - 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 |
>> Oracle 1z0-071 Exam Topic <<
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NEW QUESTION # 207
The CUSTOMERS table has a CUST_CREDIT_LIMIT column of data type NUMBER.
Which two queries execute successfully? (Choose two.)
Answer: C,E
NEW QUESTION # 208
Examine the structure proposed for the TRANSACTIONS table:
Which two statements are true regarding the storage of data in the above table structure? (Choose two.)
Answer: C,D
NEW QUESTION # 209
Examine the types and examples of relationships that follow:
Which option indicates correctly matched relationships? (Choose the best answer.)
Answer: B
NEW QUESTION # 210
Examine the following query:
What is the output of this query?
Answer: C
NEW QUESTION # 211
Which two statements are true about single row functions?
Answer: B,E
Explanation:
Regarding single row functions in Oracle Database 12c:
* C. CEIL: can be used for positive and negative numbers. This is true. The CEIL function rounds a number up to the nearest integer, and it works for both positive and negative values.
* D. TRUNC: can be used with NUMBER and DATE values. This is correct. The TRUNC function can truncate numbers or dates to a specified precision.
Options A, B, and E are incorrect:
* A is incorrect because CONCAT function typically concatenates two strings; to concatenate more, you must nest CONCAT calls or use the || operator.
* B is incorrect because FLOOR returns the largest integer less than or equal to the specified number, not greater.
* E is incorrect because MOD returns the remainder of a division operation, not the quotient.
NEW QUESTION # 212
......
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