cnblogs_5359

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 阅读全文

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 阅读全文

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 阅读全文

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 阅读全文

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, 阅读全文

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 阅读全文

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 阅读全文

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 阅读全文

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 阅读全文

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 阅读全文