Evaluate the SQL statement: SELECT ROUND(45.953, -1), TRUNC(45.936, 2) FROM dual; Which values are displayed? （）A、46 and 45B、46 and 45.93C、50 and 45.93D、50 and 45.9E、45 and 45.93F、45.95 and 45.93

第1题：

第2题：

第3题：

第4题：

Which three SELECT statements display 2000 in the format "$2,000.00"? （）

• A、SELECT TO_CHAR(2000, '$#,###.##') FROM dual;
• B、SELECT TO_CHAR(2000, '$0,000.00') FROM dual;
• C、SELECT TO_CHAR(2000, '$9,999.00') FROM dual;
• D、SELECT TO_CHAR(2000, '$9,999.99') FROM dual;
• E、SELECT TO_CHAR(2000, '$2,000.00') FROM dual;
• F、SELECT TO_CHAR(2000, '$N,NNN.NN') FROM dual;

第5题：

Which three SELECT statements displays 2000 in the format “$2,000.00”?（）

• A、SELECT TO CNAR(2000,  ‘$#,###.##’)   FROM dual;
• B、SELECT TO CNAR(2000,  ‘$0,000.00’)   FROM dual;
• C、SELECT TO CNAR(2000,  ‘$9,999.00’)   FROM dual;
• D、SELECT TO CNAR(2000,  ‘$9,999.99’)   FROM dual;
• E、SELECT TO CNAR(2000,  ‘$2,000.00’)   FROM dual;
• F、SELECT TO CNAR(2000, ‘$N,NNN.NN’)   FROM dual;

第6题：

第7题：

Evaluate the SQL statement: SELECT LPAD(salary,10,*) FROM EMP WHERE EMP_ID = 1001; If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?（）

• A、17000.00
• B、17000*****
• C、****170.00
• D、**17000.00
• E、an error statement

第8题：

第9题：

Which SELECT statement should you use to extract the year from the system date and display it in the format "1998"?（）

• A、SELECT TO_CHAR(SYSDATE,'yyyy') FROM dual;
• B、SELECT TO_DATE(SYSDATE,'yyyy') FROM dual;
• C、SELECT DECODE(SUBSTR(SYSDATE, 8), 'YYYY') FROM dual;
• D、SELECT DECODE(SUBSTR(SYSDATE, 8), 'year') FROM dual;
• E、SELECT TO_CHAR(SUBSTR(SYSDATE, 8,2),'yyyy') FROM dual;

第10题：

The PRODUCTS table has these columns: PRODUCT_ID NUMBER(4) PRODUCT_NAME VARCHAR2(45) PRICE NUMBER(8,2) Evaluate this SQL statement: SELECT * FROM PRODUCTS ORDER BY price, product _ name; What is true about the SQL statement?（）

• A、The results are not sorted.
• B、The results are sorted numerically.
• C、The results are sorted alphabetically.
• D、The results are sorted numerically and then alphabetically.