OCP-1Z0-051 第17題 null參與運算後仍是null

阿新 • • 發佈：2019-02-12

SQL> SELECT ename||' joined on '||hiredate||      2 ', the total compensation paid is '||
3 TO_CHAR(ROUND(ROUND(SYSDATE-hiredate)/365) * sal + comm)
4 "COMPENSATION UNTIL DATE"
5 FROM emp;

COMPENSATION UNTIL DATE
----------------------------------------------------------------------
SMITH joined on 17-DEC-80, the total compensation paid is
ALLEN joined on 20-FEB-81, the total compensation paid is 53100
WARD joined on 22-FEB-81, the total compensation paid is 41750
JONES joined on 02-APR-81, the total compensation paid is
MARTIN joined on 28-SEP-81, the total compensation paid is 42650
BLAKE joined on 01-MAY-81, the total compensation paid is
CLARK joined on 09-JUN-81, the total compensation paid is
SCOTT joined on 19-APR-87, the total compensation paid is
KING joined on 17-NOV-81, the total compensation paid is
TURNER joined on 08-SEP-81, the total compensation paid is 49500
ADAMS joined on 23-MAY-87, the total compensation paid is

COMPENSATION UNTIL DATE
----------------------------------------------------------------------
JAMES joined on 03-DEC-81, the total compensation paid is
FORD joined on 03-DEC-81, the total compensation paid is
MILLER joined on 23-JAN-82, the total compensation paid is

14 rows selected.

OCP-1Z0-051 第17題 null參與運算後仍是null

SQL> SELECT ename||' joined on '||hiredate|| 2 ', the total compensation paid is '|| 3 TO_CHAR(ROUND(ROUND(SYSDATE-hiredate)/365) * sal +

OCP-1Z0-051 第57題別名和null值判斷

Name Null Type CUST_ID NOT NULL NUMBER CUST_FIRST_NAME NOT NULL VARCHAR2(20) CUST

OCP-1Z0-051 第59題 null值判斷

View the Exhibit and examine the data in the PRODUCTS table. You need to display product names from the PRODUCTS table that belong to the 'Software/Other '

OCP-1Z0-051 第174題事務的組成

Which statement is true regarding transactions? (Choose all that apply.) A. A transaction can consist only of a set of DML and DDL statements.B. A part or

OCP-1Z0-051 第51題 SYNONYM同義詞

Which statement is true regarding synonyms? A. Synonyms can be created only for a table. B. Synonyms are used to reference only those tables that are owned

OCP-1Z0-051 第54題

View the Exhibit and examine the structure of the CUSTOMERS table. Evaluate the query statement: SQL> SELECT cust_last_name, cust_city, cust_credit_limi

OCP-1Z0-051 第2題檢視的WITH CHECK OPTION選項

SQL> CREATE VIEW v4 2 AS SELECT prod_id, cust_id, SUM(quantity_sold) FROM SALES 3 WHERE time_id <= SYSDATE - 2*365 4 GROUP BY prod_id, cust_id

OCP-1Z0-051 第45題 SEQUENCE(序列)的注意事項

Which two statements are true about sequences created in a single instance database? (Choose two.) A. The numbers generated by a sequence can be used only

OCP-1Z0-051 第37題 drop table

一、原題 You issued the following command to drop the PRODUCTS table: SQL> DROP TABLE products; What is the implication of this command? (

OCP-1Z0-051 第43題序列的cycle選項

Evaluate the following CREATE SEQUENCE statement: CREATE SEQUENCE seq1 START WITH 100 INCREMENT BY 10 MAXVALUE 200 CYCLE NOCACHE; The SEQ1 sequence has gen

OCP-1Z0-051 第62題 where萬用字元

EMPNO ENAME ---------- ---------- 7876 ADAMS 7499 ALLEN 7698 BLAKE 7782 CLARK 7902 FORD 7900 JAMES 7566 JO

OCP-1Z0-051 第172題事務savepoint的注意事項

The SQL statements executed in a user session are as follows:SQL> CREATE TABLE product (pcode NUMBER(2), pname VARCHA

OCP-1Z0-051 第46題約束和索引

Which statements are correct regarding indexes? (Choose all that apply.)A. When a table is dropped, the corresponding indexes are automatically dropped.B.

OCP-1Z0-051 第142題巢狀子查詢的應用

View the Exhibit and examine the structure of the PRODUCTS table. Evaluate the following query:SQL> SELECT prod_name FROM products WHERE pr

OCP-1Z0-051 第131題 LEFT OUTER JOIN和RIGHT OUTER JOIN的用法

View the Exhibit and examine the structure of the PRODUCT, COMPONENT, and PDT_COMP tables. In PRODUCT table, PDTNO is the primary key. In COMPONENT table,

OCP-1Z0-051 第149題子查詢中ALL的應用

View the Exhibits and examine the structures of the COSTS and PROMOTIONS tables. Evaluate the following SQL statement:SQL>SELECT prod_id FROM cost

OCP-1Z0-051 第113題 GROUP BY, TO_CHAR的應用

Examine the structure of the ORDERS table:Name Null Type ORDER_ID NOT NULL NUMBER(12) ORDER_DATE

OCP-1Z0-051 第1題 CTAS語句建表注意事項

一、原題 View the Exhibit and examine the structure of the SALES, CUSTOMERS, PRODUCTS, and TIMES tables.The PROD_ID column is the foreign ke

OCP-1Z0-051 第52題列別名

View the Exhibit and examine the structure of the PRODUCTS table. Using the PRODUCTS table, you issue the following query to generate the names, current li

OCP-1Z0-051 第47題索引

View the Exhibit and examine the structure of ORD and ORD_ITEMS tables. The ORD_NO column is PRIMARY KEY in the ORD table and the ORD_NO and ITEM_NO column