Pass 1z0-071 Test Guide & 1z0-071 Practice Exam Questions

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Oracle 1z0-071 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: 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 2: Working with Oracle Database SQL	8%	- Create a container database - Start up and shut down a database - Explain the installation of Oracle Database software - Describe the Oracle Database architecture
Topic 3: Displaying Data from Multiple Tables Using Joins	15%	- View data that does not meet a join condition by using outer joins - 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
Topic 4: Using Single-Row Functions to Customize Output	10%	- Manipulate dates with the date functions - Manipulate numbers with the ROUND, TRUNC, and MOD 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
Topic 5: Controlling User Access	5%	- Grant privileges on tables and on a view - Distinguish between granting privileges and roles - Differentiate system privileges from object privileges
Topic 6: Creating Other Schema Objects	10%	- Create, modify, and retrieve data from a view - Create synonyms for database objects - Create and maintain indexes - Create, maintain, and use sequences
Topic 7: Reporting Aggregated Data Using Group Functions	15%	- Describe the use of group functions - Group data by using the GROUP BY clause - Identify the available group functions - Include or exclude grouped rows by using the HAVING clause
Topic 8: Manipulating Data	14%	- Insert rows into a table - Update rows in a table - Delete rows from a table - Describe each data manipulation language (DML) statement - Control transactions
Topic 9: Restricting and Sorting Data	6%	- Use ampersand substitution to restrict and sort output at runtime - Use DEFINE and UNDEFINE commands - Limit the rows that are retrieved by a query - Sort the rows that are retrieved by a query
Topic 10: Using Conversion Functions and Conditional Expressions	10%	- Use conditional IF THEN ELSE logic in a SELECT statement - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Apply the NVL, NULLIF, and COALESCE functions to data - Describe implicit and explicit data type conversion
Topic 11: Using DDL Statements to Create and Manage Tables	14%	- Describe the data types that are available for columns - Categorize the main database objects - Create a simple table - Drop, rename, and truncate tables - Review the table structure - Alter table definitions
Topic 12: Using Set Operators	5%	- Describe the order of precedence when the set operators are used - Use a set operator to combine multiple queries into a single query - Describe set operators
Topic 13: Using Subqueries to Solve Queries	15%	- Write single-row and multi-row subqueries - Describe the types of problems that subqueries can solve - List the types of subqueries - Define subqueries

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Oracle Database SQL Sample Questions (Q300-Q305):

NEW QUESTION # 300
Examine the data in the CUST_NAMEcolumn of the CUSTOMERStable.
CUST_NAME
-------------------
Renske Ladwig
Jason Mallin
Samuel McCain
Allan MCEwen
Irene Mikkilineni
Julia Nayer
You need to display customers' second names where the second name starts with "Mc" or "MC".
Which query gives the required output?
SELECT SUBSTR(cust_name, INSTR (cust_name, ' ')+1)

A. FROM customers
WHERE INITCAP(SUBSTR(cust_name, INSTR (cust_name, ' ')+1))
INITCAP ('MC%');
B. FROM customers
WHERE SUBSTR(cust_name, INSTR (cust_name, ' ')+1)
LIKE INITCAP ('MC%');
SELECT SUBSTR(cust_name, INSTR (cust_name, ' ')+1)
C. FROM customers
WHERE INITCAP(SUBSTR(cust_name, INSTR (cust_name, ' ')+1))
LIKE 'Mc%';
SELECT SUBSTR(cust_name, INSTR (cust_name, ' ')+1)
D. FROM customers
WHERE INITCAP(SUBSTR(cust_name, INSTR (cust_name, ' ')+1))
'Mc';
SELECT SUBSTR(cust_name, INSTR (cust_name, ' ')+1)

Answer: C

NEW QUESTION # 301
Examine these SQL statements that are executed in the given order:

What will be the status of the foreign key EMP_MGR_FK?

A. It will be enabled and immediate.
B. It will remain disabled and can be re-enabled manually.
C. It will be enabled and deferred.
D. It will remain disabled and can be enabled only by dropping the foreign key constraint and re-creating it.

Answer: B

NEW QUESTION # 302
Examine the structure of the ORDERS table: (Choose the best answer.)

You want to find the total value of all the orders for each year and issue this command:
SQL> SELECT TO_CHAR(order_date,'rr'), SUM(order_total) FROM orders
GROUP BY TO_CHAR(order_date, 'yyyy');
Which statement is true regarding the result?

A. It return an error because the datatype conversion in the SELECT list does not match the data type conversion in the GROUP BY clause.
B. It executes successfully but does not give the correct output.
C. It executes successfully and gives the correct output.
D. It returns an error because the TO_CHAR function is not valid.

Answer: A

NEW QUESTION # 303
View the Exhibits and examine PRODUCTSand SALES tables.
Exhibit 1

Exhibit 2

You issue the following query to display product name the number of times the product has been sold:

What happens when the above statement is executed?

A. The statement produces an error because ITEM_CNTcannot be displayed in the outer query.
B. The statement produces an error because the GROUP BYclause cannot be used in a subquery in the FROM clause.
C. The statement executes successfully and produces the required output.
D. The statement produces an error because a subquery in the FROMclause and outer-joins cannot be used together.

Answer: C

NEW QUESTION # 304
View the Exhibit and examine the structure of the ORDERS table. The columns ORDER_MODE and ORDER_TOTAL have the default values 'direct' and 0 respectively.

Which two INSERT statements are valid? (Choose two.)

A. INSERT INTO orders(order_id,order_date,order_mode,order_total)VALUES (1,'10-mar-2007','online',1000);
B. INSERT INTO ordersVALUES (1,'09-mar-2007', 'online','', 1000);
C. INSERT INTO(SELECT order_id,order_date,customer_id FROM orders)VALUES (1,'09-mar-2007', 101);
D. INSERT INTO ordersVALUES (1,'09-mar-2007', DEFAULT, 101, DEFAULT);
E. INSERT INTO orders(order_id,order_date,order_mode,(customer_id,order_total)VALUES (1,TO_DATE(NULL), 'online', 101, NULL);

Answer: C,D

NEW QUESTION # 305
......

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