Oracle Database SQL 1Z0-071 pdf free download
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Share some Oracle Database 1Z0-071 exam questions and answers below.
Which statements are true? (Choose all that apply.)
A. The data dictionary is created and maintained by the database administrator.
B. The data dictionary views can consist of joins of dictionary base tables and user-defined tables.
C. The usernames of all the users including the database administrators are stored in the data dictionary.
D. The USER_CONS_COLUMNS view should be queried to find the names of the columns to which a constraint applies.
E. Both USER_OBJECTS and CAT views provide the same information about all the objects that are owned by the user.
F. Views with the same name but different prefixes, such as DBA, ALL and USER, use the same base tables from the data dictionary
Answer: C,D,F
Which statement is true regarding external tables?
A. The default REJECT LIMIT for external tables is UNLIMITED.
B. The data and metadata for an external table are stored outside the database.
C. ORACLE_LOADER and ORACLE_DATAPUMP have exactly the same functionality when used with an external table.
D. The CREATE TABLE AS SELECT statement can be used to unload data into regular table in the database from an external table.
Answer: D
Which two statements are true regarding the GROUP BY clause in a SQL statement? (Choose two.)
A. You can use column alias in the GROUP BY clause.
B. Using the WHERE clause after the GROUP BY clause excludes the rows after creating groups.
C. The GROUP BY clause is mandatory if you are using an aggregate function in the SELECT clause.
D. Using the WHERE clause before the GROUP BY clause excludes the rows before creating groups.
E. If the SELECT clause has an aggregate function, then those individual columns without an aggregate function in the SELECT clause should be included in the GROUP BY clause.
Answer: D,E
Which statement is true regarding the INTERSECT operator?
A. It ignores NULL values
B. The number of columns and data types must be identical for all SELECT statements in the query
C. The names of columns in all SELECT statements must be identical
D. Reversing the order of the intersected tables the result
Answer: B
Which two statements are true regarding the COUNT function? (Choose two.)
A. COUNT(*) returns the number of rows including duplicate rows and rows containing NULL value in any of the columns
B. COUNT(cust_id) returns the number of rows including rows with duplicate customer IDs and NULL value in the CUST_ID column
C. COUNT(DISTINCT inv_amt) returns the number of rows excluding rows containing duplicates and NULL values in the INV_AMT column
D. A SELECT statement using COUNT function with a DISTINCT keyword cannot have a WHERE clause
E. The COUNT function can be used only for CHAR, VARCHAR2 and NUMBER data types
Answer: A,C
If you fail in Oracle 1Z0-071 Oracle Database exam even after using online Certqueens Oracle Database SQL 1Z0-071 pdf free download computer based training. After you purchase Certqueen's Oracle Database SQL 1Z0-071 pdf free download and Oracle Database 12c SQL online tutorials, if you fail this exam, the money will be refunded. Get expensive marks with Oracle Database SQL 1Z0-071 pdf free download from Certqueen or also use 1Z0-071 exam materials for the and become certified professional with Oracle Database SQL 1Z0-071 pdf free download from Certqueen Oracle Database SQL 1Z0-071 pdf free download.
Online provides on-site online training experts create all of the Oracle Database SQL 1Z0-071 pdf free download available through Certqueen. Our main goal is to get your certified with a firm understanding of the core material. Whereas other online distributors only concern themselves with helping you obtain the paper, we strive to educate the certification candidate and better prepare them for their IT career and help you to achieve your dream.
The speciality of Certqueen Oracle Database SQL 1Z0-071 pdf free download is to provide most updated and latest versions available so that you do not have to bother about anything else. All you need is to logon to the Certqueen site and get the Oracle Database SQL 1Z0-071 pdf free download you intend to take and that's all. Certqueen Oracle Database SQL 1Z0-071 pdf free download and 1Z0-071 Training Tools are prepared by Industry Experts and Professionals who keep an eye on the latest 1Z0-071 Certification Exam Objectives and change the 1Z0-071 questions and answers accordingly.
Share some Oracle Database 1Z0-071 exam questions and answers below.
Which statements are true? (Choose all that apply.)
A. The data dictionary is created and maintained by the database administrator.
B. The data dictionary views can consist of joins of dictionary base tables and user-defined tables.
C. The usernames of all the users including the database administrators are stored in the data dictionary.
D. The USER_CONS_COLUMNS view should be queried to find the names of the columns to which a constraint applies.
E. Both USER_OBJECTS and CAT views provide the same information about all the objects that are owned by the user.
F. Views with the same name but different prefixes, such as DBA, ALL and USER, use the same base tables from the data dictionary
Answer: C,D,F
Which statement is true regarding external tables?
A. The default REJECT LIMIT for external tables is UNLIMITED.
B. The data and metadata for an external table are stored outside the database.
C. ORACLE_LOADER and ORACLE_DATAPUMP have exactly the same functionality when used with an external table.
D. The CREATE TABLE AS SELECT statement can be used to unload data into regular table in the database from an external table.
Answer: D
Which two statements are true regarding the GROUP BY clause in a SQL statement? (Choose two.)
A. You can use column alias in the GROUP BY clause.
B. Using the WHERE clause after the GROUP BY clause excludes the rows after creating groups.
C. The GROUP BY clause is mandatory if you are using an aggregate function in the SELECT clause.
D. Using the WHERE clause before the GROUP BY clause excludes the rows before creating groups.
E. If the SELECT clause has an aggregate function, then those individual columns without an aggregate function in the SELECT clause should be included in the GROUP BY clause.
Answer: D,E
Which statement is true regarding the INTERSECT operator?
A. It ignores NULL values
B. The number of columns and data types must be identical for all SELECT statements in the query
C. The names of columns in all SELECT statements must be identical
D. Reversing the order of the intersected tables the result
Answer: B
Which two statements are true regarding the COUNT function? (Choose two.)
A. COUNT(*) returns the number of rows including duplicate rows and rows containing NULL value in any of the columns
B. COUNT(cust_id) returns the number of rows including rows with duplicate customer IDs and NULL value in the CUST_ID column
C. COUNT(DISTINCT inv_amt) returns the number of rows excluding rows containing duplicates and NULL values in the INV_AMT column
D. A SELECT statement using COUNT function with a DISTINCT keyword cannot have a WHERE clause
E. The COUNT function can be used only for CHAR, VARCHAR2 and NUMBER data types
Answer: A,C
If you fail in Oracle 1Z0-071 Oracle Database exam even after using online Certqueens Oracle Database SQL 1Z0-071 pdf free download computer based training. After you purchase Certqueen's Oracle Database SQL 1Z0-071 pdf free download and Oracle Database 12c SQL online tutorials, if you fail this exam, the money will be refunded. Get expensive marks with Oracle Database SQL 1Z0-071 pdf free download from Certqueen or also use 1Z0-071 exam materials for the and become certified professional with Oracle Database SQL 1Z0-071 pdf free download from Certqueen Oracle Database SQL 1Z0-071 pdf free download.
Online provides on-site online training experts create all of the Oracle Database SQL 1Z0-071 pdf free download available through Certqueen. Our main goal is to get your certified with a firm understanding of the core material. Whereas other online distributors only concern themselves with helping you obtain the paper, we strive to educate the certification candidate and better prepare them for their IT career and help you to achieve your dream.
The speciality of Certqueen Oracle Database SQL 1Z0-071 pdf free download is to provide most updated and latest versions available so that you do not have to bother about anything else. All you need is to logon to the Certqueen site and get the Oracle Database SQL 1Z0-071 pdf free download you intend to take and that's all. Certqueen Oracle Database SQL 1Z0-071 pdf free download and 1Z0-071 Training Tools are prepared by Industry Experts and Professionals who keep an eye on the latest 1Z0-071 Certification Exam Objectives and change the 1Z0-071 questions and answers accordingly.
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