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| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Oracle Database SQL |
| Exam Number: | 1Z0-071 |
| Certificate Validity Period: | Non-expiring (Oracle certification policy subject to change) |
| Exam Duration: | 120 minutes |
| Exam Format: | Proctored exam, Computer-based exam, Multiple Response, Multiple Choice |
| Related Certifications: | Oracle Database Development certifications Oracle Database Administrator Certified Associate |
| Exam Price: | USD 245 (varies by country/region) |
| Available Languages: | Japanese, Portuguese, Chinese (Simplified), Spanish, English |
| Recommended Training: | Oracle Database SQL Training |
| Exam Registration: | Oracle Certification Registration |
| Sample Questions: | Oracle 1z0-071 Sample Questions |
| Exam Way: | Online proctored or test center delivery depending on region |
| Pre Condition: | No formal prerequisites required; basic knowledge of relational databases and SQL recommended. |
| Official Syllabus URL: | https://education.oracle.com/oracle-database-sql/pexam_1Z0-071 |
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NEW QUESTION # 147
The SALES table has columns PROD_ID and QUANTITY_SOLD of data type NUMBER. Which two queries execute successfully?
Answer: D,E
Explanation:
When crafting SQL queries, especially those involving aggregate functions and GROUP BY clauses, correct syntax and logical order of SQL clauses are crucial. Here's why A and B are the correct answers:
* A: Correct. This query uses COUNT() as an aggregate function correctly with a GROUP BY clause. It counts the number of prod_id entries for each product where quantity_sold exceeds 55000, grouped by prod_id.
* B: Correct. This query selects prod_id for groups having more than 10 rows where quantity_sold exceeds 55000. The GROUP BY and HAVING clauses are used correctly.
* C: Incorrect. The WHERE clause should be placed before the GROUP BY clause. The correct order of clauses is essential for query execution.
* D: Incorrect. This query attempts to use an aggregate function (COUNT(*)) in the WHERE clause and improperly in the GROUP BY clause, which is not allowed.
* E: Incorrect. Similar to D, it incorrectly attempts to use COUNT(*) in the WHERE clause, which is syntactically incorrect.
NEW QUESTION # 148
Which three statements are true about indexes and their administration in an Oracle database?
Answer: C,D,E
NEW QUESTION # 149
The SYSDATE function displays the current Oracle Server date as:
21 -MAY-19
You wish to display the date as:
MONDAY, 21 MAY, 201 9
Which statement will do this?
Answer: A
Explanation:
To format a date in Oracle SQL, TO_CHAR function is used to convert date types to string with a specified format:
* Option A: SELECT TO_CHAR(SYSDATE, 'FMDAY, DD MONTH, YYYY') FROM DUAL;
* This correctly applies the date format model 'FMDAY, DD MONTH, YYYY', which will display the date as requested: "MONDAY, 21 MAY, 2019". FM modifier is used to remove padding blanks or leading zeros.
Options B, C, and D do not achieve the desired output:
* Option B is incorrect because TO_DATE converts a string to a date, not format a date.
* Option C and D have incorrect format strings that do not match the required output format.
NEW QUESTION # 150
Sales data of a company is stored in two tables, SALES1and SALES2, with some data being duplicated across the tables. You want to display the results from the SALES1table, which are not present in the SALES2table.
Which set operator generates the required output?
Answer: C
Explanation:
Explanation/Reference:
References:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/queries004.htm
NEW QUESTION # 151
You want to display the date for the first Monday of the next month and issue the following command:
What is the outcome?
Answer: D
NEW QUESTION # 152
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