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全部博文（487）
发布时间：2019-02-13 16:57:37
5、（4-12） choose two:You executed the following CREATE TABLE statement that resulted in an error:SQL> CREATE TABLE employees(emp_id NUMBER(10) PRIMARY KEY,ename VARCHAR2(20),email NUMBER(3) UNIQUE,address VARCHAR2(500),phone VARCHAR2 (20),resume LONG,hire_date DATE,re.........【阅读全文】
发布时间：2019-02-12 16:49:50
4、(4-11) choose two:View the Exhibit and examine the data in the PRODUCT_INFORMATION table.Which two tasks would require subqueries? (Choose two.)A) displaying all supplier IDs whose average list price is more than 500B) displaying the total number of products supplied by supplier 102071 and .........【阅读全文】
发布时间：2019-02-12 16:40:06
3、(4-10) choose the best answer:The user SCOTT who is the owner of ORDERS and ORDER_ITEMS tables issues this GRANT command:GRANT ALLON orders, order_itemsTO PUBLIC;What must be done to fix the statement?A) ALL should be replaced with a list of specific privileges.B) WITH GRANT OPTION should .........【阅读全文】
发布时间：2019-02-12 16:13:41
View the Exhibit and examine the structure of the CUSTOMERS table.CUSTOMERS needs to be updated to reflect the latest information about the customers.MERGE INTO customers c USING customer_vu cv ON (c.customer_id = cv.customer_id)WHEN MATCHED THEN&nbs.........【阅读全文】
