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45、(9-16)choose the best answer: View the Exhibit and examine the data in the EMPLOYEES table. You want to generate a report showing the total compens 阅读全文
posted @ 2019-02-28 09:35
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44、(9-12)choose all that apply View the Exhibit and examine the details of the ORDER_ITEMS table. Evaluate the following SQL statements: Statement 1: 阅读全文
posted @ 2019-02-27 11:44
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43、(9-2)choose three Which three tasks can be performed by DDL statements? A) preventing data retrieval from a table outside of office hours B) modify 阅读全文
posted @ 2019-02-27 11:11
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42、(9-1)choose the best answer: Which statement is true about the Oracle SQL, DELETE and TRUNCATE statements? A) DELETE but not TRUNCATE statement can 阅读全文
posted @ 2019-02-27 10:35
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41、(8-14) choose two View the Exhibit and examine the structure of the ORDERS table. The columns ORDER_MODE and ORDER_TOTAL have the default values 'd 阅读全文
posted @ 2019-02-27 09:50
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40、(8-7) choose two Which two statements are true regarding views? (Choose two.) A) A simple view in which column aliases have been used cannot be upd 阅读全文
posted @ 2019-02-26 17:07
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39.choose the best answer View the Exhibit and examine the description of the EMPLOYEES table. You want to calculate the total remuneration for each e 阅读全文
posted @ 2019-02-26 16:36
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38.choose the best answer View the Exhibit and examine the data in the PROMOTIONS table. PROMO_BEGIN_DATE is stored in the default date format, dd-mon 阅读全文
posted @ 2019-02-26 16:08
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19.choose the best answer View the Exhibit and examine the structure of the PROMOTIONS table. Evaluate the following SQL statement: SQL>SELECT promo_n 阅读全文
posted @ 2019-02-26 15:19
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36.choose the best answer View the Exhibits and examine the structures of the PRODUCTS, SALES, and CUSTOMERS tables. You issue the following query: SQ 阅读全文
posted @ 2019-02-25 13:25
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