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56、(14-14) choose the best answer: You need to create a table with the following column specifications: 1. Employee ID (numeric data type) for each em 阅读全文
posted @ 2019-03-04 14:39
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55、(13-3) choose the best answer: Which statement is true regarding the SESSION_PRIVS dictionary view? A) It contains the object privileges granted to 阅读全文
posted @ 2019-03-04 14:02
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54、(12-15) choose the best answer: View the Exhibit and examine the structure of the ORDER_ITEMS and ORDERS tables. You are asked to retrieve the ORDE 阅读全文
posted @ 2019-03-04 13:21
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53、(12-14) choose the best answer: Examine the command to create the BOOKS table. SQL>CREATE TABLE books (book_id CHAR(6) PRIMARY KEY, title VARCHAR2( 阅读全文
posted @ 2019-03-04 11:32
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