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Oracle 1z1-071 Exam Syllabus Topics:

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

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Oracle Database SQL Sample Questions (Q100-Q105):

NEW QUESTION # 100
The sales table has columns prod_id and quantity_sold of data type number. Which two queries execute successfully?

A. SELECT prod Id FROH sales NHERE quantity sold > 55000 3RODI BY prod_id HAVING COUNT(*)
> 10;
B. SELECT prod_id FROM sales WHERE quantity_sold > 55000 AND
COUNT(*) > 10 GROUP BY COUNT(*) > 10;
C. SELECT prod_id FROM sales WHERE quantity_sold > 55000 AND COUNT(*) > 10 GROUP BY prod_id HAVING COUNT(*) > 10;
D. SELECT COUNT(prod_id) FROM sales GROUP BY prod_id WHERE quantity_sold > 55000;
E. SELECT COUNT(prod_id) FROM sales WHERE quantity_sold > 55000 GROUP BY prod_id;

Answer: A,E

NEW QUESTION # 101
You have the privileges to create any type of synonym.
Which statement will create a synonym called EMPfor the HCM.EMPLOYEE_RECORDS table that is accessible to all users?
CREATE PUBLIC SYNONIM emp FOR hcm.employee_records;

A. CREATE SYNONIM SYS.emp FOR hcm.employee_records;
B. CREATE GLOBAL SYNONIM emp FOR hcm.employee_records;
C.
D. CREATE SYNONIM emp FOR hcm.employee_records;
E. CREATE SYNONIM PUBLIC.emp FOR hcm.employee_records;

Answer: B

Explanation:
CREATE PUBLIC SYNONYM emp_table
Reference: https://docs.oracle.com/database/121/SQLRF/statements_7001.htm#SQLRF01401

NEW QUESTION # 102
Which three statements are true about built-in data types?

A. A VARCHAR2 blank-pads column values only if the data stored is non-numeric and contains no special characters.
B. The default length for a CHAR column is always one character.
C. A CHAR column definition does not require the length to be specified.
D. A BFILE stores unstructured binary data in operating system files.
E. A BLOB stores unstructured binary data within the database.
F. A VARCHAR2 column definition does not require the length to be specified.

Answer: D,E

Explanation:
D: True. A BLOB (Binary Large Object) is used to store unstructured binary data within the Oracle Database.
It can hold a variable amount of data.
F: True. A BFILE is a datatype in Oracle SQL used to store a locator (pointer) that points to binary data stored in operating system files outside of the Oracle Database.
Both BLOB and BFILE are used for large binary data but differ in where the data is actually stored - BLOB stores the data inside the Oracle Database, whereas BFILE stores the data in the file system outside the database.
References:The Oracle Database SQL Language Reference guide details the characteristics and uses of BLOB and BFILE datatypes among others, describing their storage characteristics and data type definitions.

NEW QUESTION # 103
The SQL statements executed in a user session are as follows:

Which two statements describe the consequences of issuing the ROLLBACK TO SAVE POINT a command in the session? (Choose two.)

A. Only the second DELETE statement is rolled back.
B. No SQL statements are rolled back.
C. Both the DELETE statements and the UPDATE statement are rolled back.
D. Only the DELETE statements are rolled back.
E. The rollback generates an error.

Answer: B,E

NEW QUESTION # 104
View the exhibit and examine the structure of the SALES, CUSTOMERS, PRODUCTSand TIMEStables.

The PROD_IDcolumn is the foreign key in the SALEStable, which references the PRODUCTStable.
Similarly, the CUST_IDand TIME_IDcolumns are also foreign keys in the SALEStable referencing the CUSTOMERSand TIMEStables, respectively.
Evaluate the following CREATE TABLEcommand:
CREATE TABLE new_sales (prod_id, cust_id, order_date DEFAULT SYSDATE)
AS
SELECT prod_id, cust_id, time_id
FROM sales;
Which statement is true regarding the above command?

A. The NEW_SALEStable would get created and all the FOREIGNKEYconstraints defined on the specified columns would be passed to the new table.
B. The NEW_SALEStable would not get created because the DEFAULTvalue cannot be specified in the column definition.
C. The NEW_SALEStable would get created and all the NOTNULLconstraints defined on the specified columns would be passed to the new table.
D. The NEW_SALEStable would not get created because the column names in the CREATETABLEcommand and the SELECTclause do not match.

Answer: C

NEW QUESTION # 105
......

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