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全部博文（487）
发布时间：2019-03-04 14:35:16
You need to create a table with the following column specifications:2. Employee Name (character data type) that stores the employee name4. Status (character data type), that contains the value 'ACTIVE' if no data is enteredWhich is the correct syntax to create this table?(emp_id NU.........【阅读全文】
发布时间：2019-03-04 13:58:40
Which statement is true regarding the SESSION_PRIVS dictionary view?B) It contains the system privileges granted to other users by the current user session.D) It contains the current object privileges available in the user session.(解析：SESSION_PRIVS 查看的是该当前会话所有的系统权限。.........【阅读全文】
发布时间：2019-03-04 13:17:14
View the Exhibit and examine the structure of the ORDER_ITEMS and ORDERS tables.You executed the following SQL statement:FROM order_itemsNATURAL JOIN orders;A) The statement would not execute because the WHERE clause is before the NATURAL JOIN clause.C) The statement would exec.........【阅读全文】
发布时间：2019-03-04 11:28:27
Examine the command to create the BOOKS table.(book_id CHAR(6) PRIMARY KEY,publisher_id VARCHAR2(4),The BOOK_ID value 101 does not exist in the table.SQL> INSERT INTO books(BOOK_ID, TITLE, AUTHOR_ID)Which statement is true?B) It executes successfully only if NULL is explici.........【阅读全文】
发布时间：2019-03-01 14:20:17
Examine the structure and data in the PRICE_LIST table:You plan to give a discount of 25% on the product price and need to display the discount amountWhich SQL statement would give the required result?FROM PRICE_LIST;FROM PRICE_LIST;FROM PRICE LIST;FROM PRICE_LIST;(解析.........【阅读全文】
