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Oracle 1z1-071 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Using Single-Row Functions to Customize Output	10%	- Perform arithmetic with date data - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Describe the differences between single-row and multiple-row functions - Manipulate dates with the date functions - Manipulate strings with character function in the SELECT and WHERE clauses
Topic 2: Restricting and Sorting Data	6%	- Use DEFINE and UNDEFINE commands - Limit the rows that are retrieved by a query - Use ampersand substitution to restrict and sort output at runtime - Sort the rows that are retrieved by a query
Topic 3: Creating Other Schema Objects	10%	- Create, maintain, and use sequences - Create, modify, and retrieve data from a view - Create synonyms for database objects - Create and maintain indexes
Topic 4: Using DDL Statements to Create and Manage Tables	14%	- Review the table structure - Categorize the main database objects - Alter table definitions - Create a simple table - Describe the data types that are available for columns - Drop, rename, and truncate tables
Topic 5: Retrieving Data Using the SQL SELECT Statement	5%	- Differentiate between SQL statements and SQL*Plus commands - Execute a basic SELECT statement - List the capabilities of SQL SELECT statements
Topic 6: Displaying Data from Multiple Tables Using Joins	15%	- Join a table to itself by using a self-join - Cross join tables - 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
Topic 7: Using Subqueries to Solve Queries	15%	- List the types of subqueries - Define subqueries - Describe the types of problems that subqueries can solve - Write single-row and multi-row subqueries
Topic 8: 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 9: Using Conversion Functions and Conditional Expressions	10%	- 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 - Use conditional IF THEN ELSE logic in a SELECT statement
Topic 10: Controlling User Access	5%	- Distinguish between granting privileges and roles - Differentiate system privileges from object privileges - Grant privileges on tables and on a view
Topic 11: Working with Oracle Database SQL	8%	- Create a container database - Describe the Oracle Database architecture - Start up and shut down a database - Explain the installation of Oracle Database software
Topic 12: Manipulating Data	14%	- Insert rows into a table - Describe each data manipulation language (DML) statement - Update rows in a table - Control transactions - Delete rows from a table
Topic 13: Reporting Aggregated Data Using Group Functions	15%	- Group data by using the GROUP BY clause - Identify the available group functions - Include or exclude grouped rows by using the HAVING clause - Describe the use of group functions

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Oracle Database SQL Sample Questions (Q379-Q384):

NEW QUESTION # 379
Examine the description of the PRODUCTS table:

Which two statements execute without errors?

A. MERGE INTO new_prices n
USING (SELECT * FROM products) p
WHEN MATCHED THEN
UPDATE SET n.price= p.cost* 01
WHEN NOT MATCHED THEN
INSERT(n.prod_id, n.price) VALUES(p.prod_id, cost*.01)
WHERE(p.cost<200);
B. MERGE INTO new_prices n
USING products p
ON (p.prod_id =n.prod_id)
WHEN NOT MATCHED THEN
INSERT (n.prod _id, n.price) VALUES (p.prod_id, cost*.01)
WHERE (p.cost<200);
C. MERGE INTO new_prices n
USING (SELECT * FROM products WHERE cost>150) p
ON (n.prod_id= p.prod_id)
WHEN MATCHED THEN
DELETE WHERE (p.cost<200)
D. MERGE INTO new_prices n
USING (SELECT * FROM products WHERE cost>150) p
ON (n.prod_id= p.prod_id)
WHEN MATCHED THEN
UPDATE SET n.price= p.cost*.01
DELETE WHERE (p.cost<200);

Answer: B,D

NEW QUESTION # 380
Which is true about the ROUND, TRUNC and MOD functions?

A. ROUND(MOD(25,3),-1) and TRUNC(MOD(25,3),-1) are both valid and give the same result.
B. TRUNC(MOD(25,3),-1) is invalid.
C. ROUND(MOD(25,3),-1) and TRUNC(MOD(25,3),-1) are both valid but give different results.
D. ROUND(MOD(25,3),-1) is invalid.

Answer: D

NEW QUESTION # 381
Examine the commands used to create the DEPARTMENT_DETAILS and the COURSE- DETAILS tables:
SQL> CREATE TABLE DEPARTMfiNT_DeTAILS
DEPARTMENT_ID NUMBER PRIMARY KEY ,
DEPARTMEHT_NAME VARCHAR2(50) ,
HOD VARCHAP2(50));
SQL> CREATE TABLE COURSE-DETAILS
(COURSE ID NUMBER PRIMARY KEY ,
COURS_NAME VARCHAR2 (50) ,
DEPARTMEHT_ID NUMBER REFERENCES DEPARTMENT_DETAIL
You want to generate a list of all department IDs along with any course IDs that may have been assigned to them.
Which SQL statement must you use?

A. SELECT d.department_id, c. course_id FROM dapartment_details d RIGHT OUTER JOIN course_dotails c ON (c.depattnient_id=d.department_id) ;
B. SELECT d.department_id, c.course_id FROM department_details d LEFT OUTER JOIN course_details c ON (d.department___id).- (DEPARTMENT_ID) ;
C. SELECT d.department id. ccours_id FROM department_details d RIGHT OUTER JOIN course_details c ON (d.department_id);
D. SELECT d.departranc_id, c.course_id FROM cource_deatils c LEFT OUTER JOIN departmnt_details d ON (c.dapartmsnt_id=d.departtnent_id);

Answer: B

NEW QUESTION # 382
Which three statements are true regarding the WHEREand HAVINGclauses in a SQL statement?
(Choose three.)

A. WHEREand HAVINGclauses cannot be used together in a SQL statement.
B. The WHEREclause is used to exclude rows before the grouping of data.
C. The HAVINGclause conditions can use aliases for the columns.
D. The HAVINGclause conditions can have aggregate functions.
E. The HAVINGclause is used to exclude one or more aggregated results after grouping data.

Answer: A,B,E

NEW QUESTION # 383
Which CREATE TABLEstatement is valid?

Answer: B

NEW QUESTION # 384
......

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