100% Pass 2026 Accurate 1z0-071: Key Oracle Database SQL Concepts

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Oracle 1z0-071 Exam Syllabus Topics:

Section	Weight	Objectives
Manipulating Data	14%	- Update rows in a table - Delete rows from a table - Control transactions - Describe each data manipulation language (DML) statement - Insert rows into a table
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 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
Reporting Aggregated Data Using Group Functions	15%	- Identify the available group functions - Include or exclude grouped rows by using the HAVING clause - Group data by using the GROUP BY clause - Describe the use of group functions
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 - Cross join tables - Join a table to itself by using a self-join
Controlling User Access	5%	- Distinguish between granting privileges and roles - Grant privileges on tables and on a view - Differentiate system privileges from object privileges
Creating Other Schema Objects	10%	- Create synonyms for database objects - Create and maintain indexes - Create, modify, and retrieve data from a view - Create, maintain, and use sequences
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
Using Conversion Functions and Conditional Expressions	10%	- Apply the NVL, NULLIF, and COALESCE functions to data - Describe implicit and explicit data type conversion - Use the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions - Use conditional IF THEN ELSE logic in a SELECT statement
Working with Oracle Database SQL	8%	- Create a container database - Explain the installation of Oracle Database software - Describe the Oracle Database architecture - Start up and shut down a database
Using DDL Statements to Create and Manage Tables	14%	- Create a simple table - Categorize the main database objects - Review the table structure - Drop, rename, and truncate tables - Describe the data types that are available for columns - Alter table definitions
Using Single-Row Functions to Customize Output	10%	- Manipulate strings with character function in the SELECT and WHERE clauses - Manipulate dates with the date functions - Perform arithmetic with date data - Manipulate numbers with the ROUND, TRUNC, and MOD functions - Describe the differences between single-row and multiple-row functions
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

>> Key 1z0-071 Concepts <<

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Oracle Database SQL Sample Questions (Q113-Q118):

NEW QUESTION # 113
Examine the description of the TRANSACTIONS table:

Which two SQL statements execute successfully? (Choose two.)

A. SELECT customer_id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount + 100
"DUES AMOUNT" FROM transactions;
B. SELECT customer_id CUSTID, transaction_date TRANS_DATE, amount +100 DUES FROM transactions;
C. SELECT customer_id AS `CUSTOMER-ID', transaction_date AS DATE, amount + 100 `DUES' FROM transactions;
D. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS DATE, amount + 100 "DUES" FROM transactions;
E. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS "DATE", amount + 100 DUES FROM transactions;

Answer: B,E

NEW QUESTION # 114
SCOTTis a user in the database.
Evaluate the commands issued by the DBA:

Which statement is true regarding the execution of the above commands?

A. Statement 1 would not execute because the IDENTIFIED BY <password>clause is missing.
B. Statement 2 would not execute because system privileges and object privileges cannot be granted together in a single GRANTcommand.
C. Statement 1 would not execute because the WITH GRANToption is missing.
D. Statement 3 would not execute because role and system privileges cannot be granted together in a single GRANTstatement.

Answer: B

NEW QUESTION # 115
Examine the data in the ORD_ITEMStable:

Evaluate this query:

Which statement is true regarding the result?

A. It returns an error because the HAVINGclause should be specified after the GROUP BYclause.
B. It displays the item nos with their average quantity where the average quantity is more than double the overall minimum quantity of all the items in the table.
C. It returns an error because all the aggregate functions used in the HAVINGclause must be specified in the SELECT list.
D. It displays the item nos with their average quantity where the average quantity is more than double the minimum quantity of that item in the table.

Answer: D

Explanation:
Explanation/Reference:

NEW QUESTION # 116
Examine the description of the CUSTONERS table

CUSTON is the PRIMARY KEY.
You must derermine if any customers'derails have entered more than once using a different
costno,by listing duplicate name
Which two methode can you use to get the requlred resuit?

A. RIGHT OUTER JOIN with seif join
B. SUBQUERY
C. FULL OUTER JOIN with seif join
D. seif join
E. LEFT OUTER JOIN with seif join

Answer: B,D

NEW QUESTION # 117
Examine the description of the PRODUCT_ STATUS table:

The STATUS column contains the values IN STOCK or OUT OF STocK for each row.
Which two queries will execute successfully?

A. SELECT PROD_ID||q'('s not available)' FROM
product_ status WHERE status = 'OUT OF STOCK';
B. SELECT PROD_ID||q'('s not available)' "CURRENT AVAILABILITY"
FROM product_ status WHERE status = 'OUT OF STOCK';
C. SELECT prod_id q's not available" from product_ status WHERE status = 'OUT OF STOCK';
D. SELECT prod_id "CURRENT AVAILABILITY"||q' ('s not available)' from product_ status WHERE status
= 'OUT OF STOCK';
E. SELECT prod_id ||q"' s not available" FROM
product_ status WHERE status = 'OUT OF STOCK';
F. SELECT prod_id ||q'(' s not available)' 'CURRENT AVAILABILITY' FROM
product_ status WHERE status = 'OUT OF STOCK'

Answer: A,B

NEW QUESTION # 118
......

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