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摘要: 6、(4-21) choose the best answer: View the Exhibit and examine the structure of the CUSTOMERS table. Evaluate the following SQL statement: SQL> SELECT 阅读全文
posted @ 2019-02-13 17:02 cnblogs_5359 阅读(347) 评论(0) 推荐(0)
摘要: 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) PRIMA 阅读全文
posted @ 2019-02-13 17:00 cnblogs_5359 阅读(532) 评论(0) 推荐(0)