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Oracle 1z1-071 (Oracle Database SQL) exam is a highly sought-after certification for anyone looking to pursue a career in database administration. It is a test that measures the skills and knowledge of individuals who have expertise in SQL programming, database development, and database management. 1z0-071 exam is designed to test the candidates’ ability to write, execute, and optimize SQL queries, as well as their understanding of the fundamental concepts of relational databases, Data Definition Language (DDL), Data Manipulation Language (DML), and transactions.

Oracle 1z0-071 or Oracle Database SQL Exam is a certification exam that tests an individual's skills and knowledge in SQL programming language and its applications in the Oracle database. 1z0-071 exam is designed for individuals who want to pursue a career as a database developer, database administrator, or a data analyst. Passing the exam provides candidates with a valuable credential that verifies their proficiency in SQL and databases, which can help them stand out in a highly competitive job market.

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Oracle Database SQL Sample Questions (Q137-Q142):

NEW QUESTION # 137
Evaluate the following CRTEATE TABLE commands:
CREATE_TABLE orders
(ord_no NUMBER (2) CONSTRAINT ord_pk PRIMARY KEY,
ord_date DATE,
cust_id NUMBER (4) );
CREATE TABLE ord_items
(ord _no NUMBER (2),
item_no NUMBER(3),
qty NUMBER (3) CHECK (qty BETWEEEN 100 AND 200),
expiry_date date CHECK (expiry_date> SYSDATE),
CONSTRAINT it_pk PRIMARY KEY (ord_no, item_no),
CONSTARAINT ord_fk FOREIGN KEY (ord_no) REFERENCES orders (ord_no) );
Why would the ORD_ITEMS table not get created?

A. The BETWEEN clause cannot be used for the CHECK constraint.
B. The CHECK constraint cannot be placed on columns having the DATE data type.
C. SYSDATE cannot be used with the CHECK constraint.
D. ORD_NO and ITEM_NO cannot be used as a composite primary key because ORD_NO is also the FOREIGN KEY.

Answer: C

NEW QUESTION # 138
Examine the structure proposed for the TRANSACTIONStable:

Which two statements are true regarding the creation and storage of data in the above table structure?
(Choose two.)

A. The CUST_STATUScolumn would store exactly one character.
B. The TRANS_DATEcolumn would be able to store day, month, century, year, hour, minutes, seconds, and fractions of seconds.
C. The TRANS_VALIDITYcolumn would give an error.
D. The CUST_CREDIT_LIMITcolumn would be able to store decimal values.
E. The CUST_STATUScolumn would give an error.
F. The TRANS_VALIDITYcolumn would have a maximum size of one character.

Answer: A,C

NEW QUESTION # 139
View the Exhibit and examine the data in the PRODUCT_INFORMATION table.

Which two tasks would require subqueries? (Choose two.)

A. displaying the number of products whose list prices are more than the average list price
B. displaying the minimum list price for each product status
C. displaying the total number of products supplied by supplier 102071 and having product status OBSOLETE
D. displaying all supplier IDs whose average list price is more than 500
E. displaying all the products whose minimum list prices are more than average list price of products having the status orderable

Answer: A,E

NEW QUESTION # 140
Which three statements are true regarding the data types?

A. ATIMESTAMP data type column stores only time values with fractional seconds.
B. Only one LONG column can be used per table.
C. The BLOB data type column is used to store binary data in an operating system file.
D. The value for a CHAR data type column is blank-padded to the maximum defined column width.
E. The minimum column width that can be specified for a varchar2 data type column is one.

Answer: B,D,E

NEW QUESTION # 141
View the Exhibit and examine the structure of the ORDERS table.

Which UPDATE statement is valid?

A. UPDATE ordersSET order_date = TO_DATE('12-mar-2007','dd-mon-yyyy'),SET order_total = TO_NUMBER (NULL)WHERE order_id = 2455;
B. UPDATE ordersSET order_date = '12-mar-2007',order_total = NULLWHERE order_id = 2455;
C. UPDATE ordersSET order_date = '12-mar-2007',order_total IS NULLWHERE order_id = 2455;
D. UPDATE ordersSET order_date = '12-mar-2007',AND order_total = TO_NUMBER(NULL)WHERE order_id = 2455;

Answer: B

NEW QUESTION # 142
......

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