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Hughes Operating Systems AllOther Interview Questions
Questions Answers Views Company eMail

Method used for Disk searching.. a.linked list b.AVL c.B-tree d. binary tree

3 10807

which one of following is not memory management model? choices are buddy system, monitors, paging, swapping

6 12303

One solution for deadlock prevention for dining philosopher's problem

3 9736

Post New Hughes Operating Systems AllOther Interview Questions




Un-Answered Questions

What is article spinning?

897


What does oem mean & who is an oem?

990


hi i want license key for qtp 9.2 pls its adjust product name : quick test professional locking code :8 - 54A6A license type : seat license maintenance number : 88888888-8888 pls send license key to my email id borusu.ramkumar@gmail.com

4068


Is there any system configration needed to install node js?

515


Does python have access specifiers?

767


What is empty tag?

866


How does python interpreter work?

800


In what situation do you use ooabap?

1


What is pseudo-distributed mode?

572


What is the smallest unit of information transfer in FC?

2381


What is the difference between local variables and global variables?

1071


Define CableServe

1180


what is the partner process ?

2003


Hi, I am new in oracle(SQL), could anyone help me in writing a correct SQL. Below is the table structure. Table: Subsc Fields: 1. Sub_no (this field will hold values of subscriber nos, for e.g. S111111, S222222, S333333, S444444, etc.) 2. s_status (this field will hold values for different status of subscriber, for e.g. 'A', 'S', 'C', etc.) 3. cus_id (this field will hold values of bill nos for e.g. 11111111, 22222222, 33333333, 44444444, etc.) Table: Bill Fields: 1. Bill_no this field will hold values of bill nos for e.g. 11111111, 22222222, 33333333, 44444444, etc.) 2. b_status = (this field will hold values for different status of bill for e.g. 'O', 'C', 'S', etc.) Note: 1. The Sub_no is a Primary key of Subsc table. 2. The cus_id is a foreign in Subsc table (referred from Bill_no field of Bill table) 3. The Bill_no field is the Primary key of Bill table. Query A --> I wrote a query to select cus_id/Bill_no which is in status open (b_status = 'O') and having more than two active subscriber (i.e. S_status = 'A') in it ( i.e. more the two subscribers in same bill). select s.cus_id from subsc s where exists (select 1 from bill where bill_no = s.cus_id and b_status = 'O') and s_status = 'A' group by s.cus_id having count(sub_no) = 2 Problem : The above query will give the cus_id (or rather bill_no) which are in open status (b_status ='O) and which are having TWO ACTIVE Subscribers (s_status ='A') in it. However, this query will also lists the cus_id/bill_no which are having more than TWO subscribers in it (but only two subscriber will be in Active status (s_status = 'A') and the others will be in s_status = 'C' or s_status = 'S'. Help needed: I want to write a query which will fetch ONLY the cus_id/bill_no which are in open status (b_status ='O') and which are having ONLY TWO ACTIVE subscribers (s_status ='A') in it. B--> If I include the sub_no in the above query then NO row are returned. select s.cus_id, s.sub_no from subsc s where exists (select 1 from bill where bill_no = s.cus_id and b_status = 'O') and s_status = 'A' group by s.cus_id, s.sub_no having count(sub_no) = 2 Help needed: I want to modify the above query which will fetch ONLY the cus_id/bill_no which are in open status (b_status ='O') and which are having ONLY TWO ACTIVE subscribers (s_status ='A') in it ALONG with the sub_no. Thanks a lot in advance. Regards, Nitin

2291


What is part of speech (pos) tagging?

822