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2024 Oracle Official New Released 1Z0-051 Q&As
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Q1. - (Topic 1) Examine the structure and data of the CUSTJTRANS table: CUSTJRANS Name Null? Type CUSTNO NOT NULL CHAR(2) TRANSDATE DATE TRANSAMT NUMBER(6.2) CUSTNO TRANSDATE TRANSAMT 11 01-JAN-07 1000 22 01-FEB-07 2000 33 01-MAR-07 3000 Dates are stored in the default date format dd-mon-rr in the CUSTJTRANS table. Which three SQL statements would execute successfully? (Choose three.) A.
Q1. - (Topic 2) View the Exhibit and examine the structure of the PRODUCTS, SALES, and SALE_SUMMARY tables. SALE_VW is a view created using the following command: SQL>CREATE VIEW sale_vw AS SELECT prod_id, SUM(quantity_sold) QTY_SOLD FROM sales GROUP BY prod_id; You issue the following command to add a row to the SALE_SUMMARY table: SQL>INSERT INTO sale_summary SELECT prod_id, prod_
Q1. - (Topic 1) Evaluate the SQL statement: TRUNCATE TABLE DEPT; Which three are true about the SQL statement? (Choose three.) A. It releases the storage space used by the table. B. It does not release the storage space used by the table. C. You can roll back the deletion of rows after the statement executes. D. You can NOT roll back the deletion of rows after the statement executes. E. A
Q1. - (Topic 2) View the exhibit and examine the description for the SALES and CHANNELS tables. You issued the following SQL statement to insert a row in the SALES table: INSERT INTO sales VALUES (23, 2300, SYSDATE, (SELECT channel_id FROM channels WHERE channel_desc='Direct Sales'), 12, 1, 500); Which statement is true regarding the execution of the above statement? A. The statement
Q1. - (Topic 1) You created an ORDERS table with the following description: Exhibit: You inserted some rows in the table. After some time, you want to alter the table by creating the PRIMARY KEY constraint on the ORD_ID column. Which statement is true in this scenario? A. You cannot add a primary key constraint if data exists in the column B. You can add the primary key constraint even if da
Q1. - (Topic 2) Evaluate the following SQL statement: SQL> SELECT cust_id, cust_last_name FROM customers WHERE cust_credit_limit IN (select cust_credit_limit FROM customers WHERE cust_city ='Singapore'); Which statement is true regarding the above query if one of the values generated by the subquery is NULL? A. It produces an error. B. It executes but returns no rows. C. It gener
Q1. - (Topic 1) Evaluate the following SQL statement: SQL> SELECT cust_id, cust_last_name "Last Name" FROM customers WHERE country_id = 10 UNION SELECT cust_id CUST_NO, cust_last_name FROM customers WHERE country_id = 30; Which ORDER BY clause are valid for the above query? (Choose all that apply.) A. ORDER BY 2,1 B. ORDER BY CUST_NO C. ORDER BY 2,cust_id D. ORDER BY "CUST_NO" E.
Q1. - (Topic 1) Which are /SQL*Plus commands? (Choose all that apply.) A. INSERT B. UPDATE C. SELECT D. DESCRIBE E. DELETE F. RENAME View AnswerAnswer: D Explanation: Describe is a valid iSQL*Plus/ SQL*Plus command. INSERT, UPDATE & DELETE are SQL DML Statements. A SELECT is an ANSI Standard SQL Statement not an iSQL*Plus Statement. RENAME is a DDL Statement. Q2. - (Topic 2) E
Q1. - (Topic 2) Examine the description of the CUSTOMERS table: The CUSTOMER_ID column is the primary key for the table. Which statement returns the city address and the number of customers in the cities Los Angeles or San Francisco? A. SELECT city_address, COUNT(*) FROM customers WHERE city_address IN ( ‘Los Angeles’, ‘San Fransisco’); B. SELECT city_address, COUNT (*) FROMcustome
Q1. - (Topic 2) View the Exhibits and examine the structures of the COSTS and PROMOTIONS tables. Evaluate the following SQL statement: SQL> SELECT prod_id FROM costs WHERE promo_id IN (SELECT promo_id FROM promotions WHERE promo_cost < ALL (SELECT MAX(promo_cost) FROM promotions GROUP BY (promo_end_datepromo_ begin_date))); What would be the outcome of the above SQL statement? A. It di
Q1. - (Topic 2) The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) Which statement finds the highest grade point average (GPA) per semester? A. SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NULL; B. SELECT (gpa) FROM student_grades GROUP BY semester_end WHERE gpa IS NOT NULL; C. SELECT MAX(gpa) FROM student_grades WHERE gpa IS NOT NU
Q1. - (Topic 1) For which action can you use the TO_DATE function? A. Convert any date literal to a date B. Convert any numeric literal to a date C. Convert any character literal to a date D. Convert any date to a character literal E. Format ’10-JAN-99’ to ‘January 10 1999’ View AnswerAnswer: C Q2. - (Topic 1) The COMMISSION column shows the monthly commission earned by the emp
Q1. - (Topic 1) Evaluate the following SQL statements: DELETE FROM sales; There are no other uncommitted transactions on the SALES table. Which statement is true about the DELETE statement? A. It removes all the rows as well as the structure of the table B. It removes all the rows in the table and deleted rows cannot be rolled back C. It removes all the rows in the table and deleted rows c
Q1. - (Topic 1) 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 View AnswerAnswer: B Explanation: INTERSECT Returns only the rows
Q1. - (Topic 2) Which SQL statement would you use to remove a view called EMP_DEPT_VU from your schema? A. DROP emp_dept_vu; B. DELETE emp_dept_vu; C. REMOVE emp_dept_vu; D. DROP VIEW emp_dept_vu; E. DELETE VIEW emp_dept_vu; F. REMOVE VIEW emp_dept_vu; View AnswerAnswer: D Explanation: DROP VIEW viewname; Incorrect Answer: ANot a valid drop view statement BNot a valid drop view statem
Q1. - (Topic 2) You want to display the date for the first Monday of the next month and issue the following command: SQL>SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE),'MON'), 'dd "is the first Monday for"fmmonth rrrr') FROM DUAL; What is the outcome? A. It executes successfully and returns the correct result. B. It executes successfully but does not return the correct result.Â
Q1. - (Topic 2) Which two statements are true regarding savepoints? (Choose two.) A. Savepoints are effective only for COMMIT. B. Savepoints may be used to ROLLBACK. C. Savepoints can be used for only DML statements. D. Savepoints are effective for both COMMIT and ROLLBACK. E. Savepoints can be used for both DML and DDL statements. View AnswerAnswer: B,C Q2. - (Topic 1) The PRODUCTS ta