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摘要: 35.choose the best answer View the Exhibit and examine the description of the EMPLOYEES table. Evaluate the following SQL statement: SELECT first_name 阅读全文
posted @ 2019-02-25 11:22 cnblogs_5359 阅读(308) 评论(0) 推荐(0)
摘要: 34.choose two View the Exhibit and examine the structure of the PRODUCT_INFORMATION and INVENTORIES tables. You have a requirement from the supplies d 阅读全文
posted @ 2019-02-25 10:19 cnblogs_5359 阅读(316) 评论(0) 推荐(0)
摘要: 33.choose the best answer View the Exhibit and examine the structure of the ORDER_ITEMS table. Examine the following SQL statement: SELECT order_id, p 阅读全文
posted @ 2019-02-25 09:46 cnblogs_5359 阅读(266) 评论(0) 推荐(0)
摘要: 32.choose the best answer View the Exhibit and examine the data in EMP and DEPT tables. In the DEPT table, DEPTNO is the PRIMARY KEY. In the EMP table 阅读全文
posted @ 2019-02-22 13:25 cnblogs_5359 阅读(469) 评论(0) 推荐(0)
摘要: 31.choose the best answer Which statement is true regarding the USING clause in table joins? A) It can be used to access data from tables through equi 阅读全文
posted @ 2019-02-22 10:58 cnblogs_5359 阅读(313) 评论(0) 推荐(0)
摘要: 30.choose the best answer Examine the commands used to create DEPARTMENT_DETAILS and COURSE_DETAILS: SQL> CREATE TABLE DEPARTMENT_DETAILS (DEPARTMENT_ 阅读全文
posted @ 2019-02-22 10:27 cnblogs_5359 阅读(477) 评论(0) 推荐(0)
摘要: 29.choose the best answer Evaluate the following query: SQL> SELECT promo_name || q'{'s start date was \}' || promo_begin_date AS "Promotion Launches" 阅读全文
posted @ 2019-02-22 09:56 cnblogs_5359 阅读(296) 评论(0) 推荐(0)
摘要: 28.choose the best answer Evaluate the following SQL statement: SQL> SELECT promo_id, promo_category FROM promotions WHERE promo_category = 'Internet' 阅读全文
posted @ 2019-02-21 11:41 cnblogs_5359 阅读(280) 评论(0) 推荐(0)
摘要: 27.choose two The SQL statements executed in a user session are as follows: SQL> CREATE TABLE product (pcode NUMBER(2), pname VARCHAR2(10)); SQL> INSE 阅读全文
posted @ 2019-02-21 11:05 cnblogs_5359 阅读(280) 评论(0) 推荐(0)
摘要: 26.choose two Examine the structure of the PRODUCTS table. Which two statements are true? A) EXPIRY_DATE always stores date and time in character form 阅读全文
posted @ 2019-02-21 10:25 cnblogs_5359 阅读(333) 评论(0) 推荐(0)
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