11 2019 档案
摘要:choose two. You need to calculate the number of days from 1st January 2019 until today. Dates are stored in the default format of DD-MON-RR. Which two
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posted @ 2019-11-27 10:09
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摘要:Choose the best answer Examine the description of the PRODUCT_INFORMATION table: Name NULL? Type PROD_ID NOT NULL NUMBER(2) PROD_NANE VARCRAR2 (10) LI
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posted @ 2019-11-27 09:44
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摘要:Choose three Which three statements are true about sequences in a single instance Orade database? A) A sequence's unallocated cached values are lost i
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posted @ 2019-11-25 10:17
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摘要:choose two Which two statenents are tue about the COUNT function? A) It can only be used for NUMBER data types. B) COUNT (DISTINCT inv_amt) returns th
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posted @ 2019-11-25 09:39
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摘要:Choose two. Which two statements are true about the results of using the INTERSECT operator in compound queres? A) Reversing the order of the intersec
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posted @ 2019-11-20 09:59
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摘要:Choose three. Which three statements are true about a self join? A) It must be an inner join. B) It can be an outer join. C) The ON clause must be use
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posted @ 2019-11-20 09:27
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摘要:choose three Examine this SQL statement: SELECT cust_id, cus_ last_name "Last Name" FROM customers WHERE country_id = 10 UNION SELECT cust_id CUST_NO,
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posted @ 2019-11-19 09:59
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摘要:Choose two Examine the data in the CUST NAME column of the CUSTOMERS table: CUST_NAME Renske Ladwig Jason Mallin Samuel McCain Allan MCEwen Irene Mikk
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posted @ 2019-11-19 09:16
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摘要:choose two Evalute these conmands which execate sucestully CREATE SEQUENCE ord_seq INCREMENT BY 1 START WITH 1 MAXVALUE 100000 CYCLE CACHE 5000; Which
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posted @ 2019-11-18 15:01
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摘要:choose two. ·MANAGER is an existing role with no privileges or roles. ·EMP is an existing role containing the CREATE TABLE privilege. ·EMPLOYEES is an
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posted @ 2019-11-18 14:37
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摘要:choose two The ORDERS table has a column ORDER_DATE of date type DATE The default display format for a date is DD-MON-RR Which two WHERE conditions de
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posted @ 2019-11-14 14:28
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摘要:Choose two. Which two statements are true about the DUAL table? A) It can display multiple rows and columns. B) It can be accessed only by the SYS use
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posted @ 2019-11-14 13:27
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摘要:Choose three Which three actions can you perfom only with system privileges? A) Truncate a table in another schema. B) Access flat files via a databas
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posted @ 2019-11-11 10:58
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摘要:Choose three. Which three statements are true about defining relations between tables in a relatonal database? A) Foreign key columns allow null value
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posted @ 2019-11-11 10:10
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摘要:Choose three. Which three statements are true about GLOBAL TEMPORARY TABLES? A) A GLOBAL TEMPORARY TABLE cannot have PUBLIC SYNONYM. B) A GLOBAL TEMPO
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posted @ 2019-11-06 10:09
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摘要:Choose two Which two statements are true about transactions in the Oracle Database serve? A) An uncommitted transaction commits automatically if the u
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posted @ 2019-11-06 09:38
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摘要:Choose two Which two statements are true about transactions in the Oracle Database serve? A) An uncommitted transaction commits automatically if the u
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posted @ 2019-11-04 10:49
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摘要:choose two In the PROMOTIONS table, the PROMO_BEGTN_DATE columm is of datatype DATE and the default date format is DD-MON-RR. Which two statements are
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posted @ 2019-11-04 10:18
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