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Oracle 1z1-071 Exam Syllabus Topics:

Section	Objectives
SQL Retrieval	- Joins and set operations 1. INNER, OUTER, CROSS joins 2. UNION, INTERSECT, MINUS - SELECT statements and filtering data 1. ORDER BY and row limiting 2. WHERE clause and conditions
SQL Functions	- Conversion and conditional functions 1. TO_CHAR, TO_NUMBER, CASE expressions - Single-row functions 1. Character, numeric, date functions
Data Manipulation and Schema Objects	- DML operations 1. INSERT, UPDATE, DELETE, MERGE - DDL operations 1. CREATE, ALTER, DROP tables and constraints
Subqueries and Advanced SQL	- Correlated subqueries and nested queries - Single-row and multi-row subqueries
Relational Database Concepts	- Data types and database objects overview - Tables, rows, columns, and relational model basics

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Oracle Database SQL Sample Questions (Q418-Q423):

NEW QUESTION # 418
Examine the description of the EMP_DETAILS table given below:

Which two statements are true regarding SQL statements that can be executed on the EMP_DETAIL TABLE?

A. You cannot add a new column to the table with LONG as the data type.
B. An EMP_IMAGE column cannot be included in the ORDER BY clause.
C. You can alter the table to include the NOT NULL constraint on the EMP_IMAGE column.
D. An EMP_IMAGE column can be included in the GROUP BY clause.

Answer: A,B

NEW QUESTION # 419
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(SELECT order_id,order_date,customer_id FROM orders)VALUES (1,'09-mar-2007',
101);
B. INSERT INTO orders(order_id,order_date,order_mode,(customer_id,order_total)VALUES (1,TO_DATE(NULL), 'online', 101, NULL);
C. INSERT INTO orders(order_id,order_date,order_mode,order_total)VALUES (1,'10-mar-2007','online',1000);
D. INSERT INTO ordersVALUES (1,'09-mar-2007', 'online','', 1000);
E. INSERT INTO ordersVALUES (1,'09-mar-2007', DEFAULT, 101, DEFAULT);

Answer: A,E

NEW QUESTION # 420
Which two statements are true regarding the WHERE and HAVING clauses in a SELECT statement? (Choose two.)

A. The WHERE and HAVING clauses can be used in the same statement only if they are applied to different columns in the table.
B. The aggregate functions and columns used in the HAVING clause must be specified in the SELECT list of the query.
C. The WHERE clause can be used to exclude rows after dividing them into groups.
D. The HAVING clause can be used with aggregate functions in subqueries.
E. The WHERE clause can be used to exclude rows before dividing them into groups.

Answer: C,D

NEW QUESTION # 421
Evaluate the following statement.

Which statement is true regarding the evaluation of rows returned by the subquery in the INSERT statement?

A. They are evaluated by all the three WHENclauses regardless of the results of the evaluation of any other WHENclause.
B. They are evaluated by the first WHENclause. If the condition is false, then the row would be evaluated by the subsequent WHENclauses.
C. They are evaluated by the first WHENclause. If the condition is true, then the row would be evaluated by the subsequent WHENclauses.
D. The insert statement would give an error because the ELSEclause is not present for support in case none of WHENclauses are true.

Answer: A

Explanation:
Explanation/Reference:
References:
http://psoug.org/definition/WHEN.htm

NEW QUESTION # 422
Examine this partial command:

Which two clauses are required for this command to execute successfully?

A. the ACCESS PARAMETERS clause
B. the REJECT LIMIT clause
C. the access driver TYPE clause
D. the LOCATION clause
E. the DEFAULT DIRECTORY clause

Answer: D,E

NEW QUESTION # 423
......

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