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Oracle 1z0-071 Exam Syllabus Topics:

Section	Weight	Objectives
Using Conversion Functions and Conditional Expressions	10%	- Use conditional IF THEN ELSE logic in a SELECT statement - Apply the NVL, NULLIF, and COALESCE functions to data - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Describe implicit and explicit data type conversion
Using Single-Row Functions to Customize Output	10%	- Describe the differences between single-row and multiple-row functions - Manipulate dates with the date functions - Perform arithmetic with date data - Manipulate strings with character function in the SELECT and WHERE clauses - Manipulate numbers with the ROUND, TRUNC, and MOD functions
Using Set Operators	5%	- Describe set operators - Use a set operator to combine multiple queries into a single query - Describe the order of precedence when the set operators are used
Retrieving Data Using the SQL SELECT Statement	5%	- Execute a basic SELECT statement - List the capabilities of SQL SELECT statements - Differentiate between SQL statements and SQL*Plus commands
Controlling User Access	5%	- Distinguish between granting privileges and roles - Differentiate system privileges from object privileges - Grant privileges on tables and on a view
Restricting and Sorting Data	6%	- Limit the rows that are retrieved by a query - Use ampersand substitution to restrict and sort output at runtime - Use DEFINE and UNDEFINE commands - Sort the rows that are retrieved by a query
Using DDL Statements to Create and Manage Tables	14%	- Review the table structure - Drop, rename, and truncate tables - Alter table definitions - Describe the data types that are available for columns - Categorize the main database objects - Create a simple table
Reporting Aggregated Data Using Group Functions	15%	- Describe the use of group functions - Identify the available group functions - Group data by using the GROUP BY clause - Include or exclude grouped rows by using the HAVING clause
Manipulating Data	14%	- Describe each data manipulation language (DML) statement - Update rows in a table - Delete rows from a table - Insert rows into a table - Control transactions
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
Displaying Data from Multiple Tables Using Joins	15%	- View data that does not meet a join condition by using outer joins - Write SELECT statements to access data from more than one table using equijoins and non-equijoins - Join a table to itself by using a self-join - Cross join tables
Working with Oracle Database SQL	8%	- Describe the Oracle Database architecture - Start up and shut down a database - Create a container database - Explain the installation of Oracle Database software
Creating Other Schema Objects	10%	- Create, modify, and retrieve data from a view - Create and maintain indexes - Create synonyms for database objects - Create, maintain, and use sequences

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Oracle Database SQL Sample Questions (Q379-Q384):

NEW QUESTION # 379
Examine this SQL statement:

Which two are true?

A. All existing rows in the EMPLOYEES table are deleted.
B. The subquery is executed for every row in the EMPLOYEES table.
C. The DELETE statement executes successfully even if the subquery selects multiple rows.
D. The subquery is executed before the DELETE statement is executed.
E. The subquery is not a correlated subquery.

Answer: B,D

NEW QUESTION # 380
Evaluate the following two queries:

Which statement is true regarding the above two queries?

A. Performance would degrade in query 2.
B. Performance would improve in query 2 only if there are null values in the CUST_CREDIT_LIMIT column.
C. Performance would improve in query 2.
D. There would be no change in performance.

Answer: D

NEW QUESTION # 381
An Oracle database server session has an uncommitted transaction in progress which updated 5000 rows in a table.
In which three situations does the transactions complete thereby committing the updates? (Choose three.)

A. when a DBA issues a successful SHUTDOWN TRANSACTIONALstatement and the user then issues a COMMIT
B. when the session logs out successfully
C. when a COMMITstatement is issued by the same user from another session in the same database instance
D. when a CREATE TABLE AS SELECTstatement is executed unsuccessfully in the same session
E. when a CREATE INDEXstatement is executed successfully in the same session
F. when a DBA issues a successful SHUTDOWN IMMEDIATEstatement and the user then issues a COMMIT

Answer: B,E,F

Explanation:
Explanation/Reference:

NEW QUESTION # 382
Which three are true about subqueries?

A. A subquery can be used in a having clause.
B. < any returns true If the argument Is less than the lowest value returned by the subquery.
C. A subquery cannot be used in the select list.
D. A subquery cannot be used in a from clause.
E. = ANY can only evaluate the argument against a subquery If it returns two or more values.
F. < ANY returns true If the argument is less than the highest value returned by the subquery.
G. A subquery can be used in a WHERE clause.

Answer: A,F,G

NEW QUESTION # 383
Examine the description of the ORDER_ITEMS table:

Examine this incomplete query:
SELECT DISTINCT quantity * unit_price total_paid FROM order_items ORDER BY <clause>; Which two can replace <clause> so the query completes successfully?

A. quantity
B. product_id
C. quantity, unit_price
D. total_paid
E. quantity * unit_price

Answer: D,E

NEW QUESTION # 384
......

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