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摘要: 78、View the exhibit and examine the structure of the CUSTOMERStable. Which two tasks would require subqueries or joins to be executed in a single stat 阅读全文
posted @ 2019-03-18 10:56 cnblogs_5359 阅读(267) 评论(0) 推荐(0)
摘要: 77、Which two statements are true about sequences created in a single instance database? (Choose two.) A. When the MAXVALUElimit for the sequence is re 阅读全文
posted @ 2019-03-18 10:10 cnblogs_5359 阅读(249) 评论(0) 推荐(0)
摘要: 76、View the exhibit and examine the description of the DEPARTMENTSand EMPLOYEEStables. The retrieve data for all the employees for their EMPLOYEE_ID, 阅读全文
posted @ 2019-03-11 16:10 cnblogs_5359 阅读(232) 评论(0) 推荐(0)
摘要: 75、Which statements are correct regarding indexes? (Choose all that apply.) A. A non-deferrable PRIMARY KEYor UNIQUE KEYconstraint in a table automati 阅读全文
posted @ 2019-03-11 13:04 cnblogs_5359 阅读(286) 评论(0) 推荐(0)
摘要: 74、View the exhibit and examine the structure of ORDERS and CUSTOMERS tables. ORDERS Name Null? Type ORDER_ID NOT NULL NUMBER(4) ORDER_DATE NOT NULL D 阅读全文
posted @ 2019-03-11 11:58 cnblogs_5359 阅读(285) 评论(0) 推荐(0)
摘要: 73、Which statement correctly grants a system privilege? A. GRANT CREATE VIEW ON table1 TO user1; B. GRANT ALTER TABLE TO PUBLIC; C. GRANT CREATE TABLE 阅读全文
posted @ 2019-03-11 11:19 cnblogs_5359 阅读(270) 评论(0) 推荐(0)
摘要: 72、View the exhibit for the structure of the STUDENTand FACULTYtables. STUDENT Name Null? Type STUDENT_ID NOT NULL NUMBER(2) STUDENT_NAME VARCHAR2(20) 阅读全文
posted @ 2019-03-08 13:13 cnblogs_5359 阅读(422) 评论(0) 推荐(0)
摘要: 71、(32-18) choose three Which three statements indicate the end of a transaction? (Choose three.) A) after a CREATE statement is issued B) after a SEL 阅读全文
posted @ 2019-03-08 11:49 cnblogs_5359 阅读(238) 评论(0) 推荐(0)
摘要: 70、(31-2)choose the best answer: View the Exhibit and examine the structure of the Book table. The BOOKS table contains details of 100 books. Examine 阅读全文
posted @ 2019-03-08 10:13 cnblogs_5359 阅读(371) 评论(0) 推荐(0)
摘要: 69、(31-1)choose the best answer: Evaluate the following query: SELECT INTERVAL '300' MONTH, INTERVAL '54-2' YEAR TO MONTH, INTERVAL '11:12:10.1234567' 阅读全文
posted @ 2019-03-08 09:41 cnblogs_5359 阅读(263) 评论(0) 推荐(0)
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