| Q.21 | …….provides total solutions to reduce data redundancy, inconsistency, dependence and unauthorized access of data ? |
| A | DBMS |
| B | Tables |
| C | Database |
| D | Protection password |
| Q.22 | Architecture of database management can be viewed as ? |
| A | Two levels |
| B | Four levels |
| C | Three levels |
| D | One level |
| Q.23 | Oracle is a ? |
| A | Hardware |
| B | High level language |
| C | Operating system |
| D | RDBMS |
| Q.24 | ……is one reason for problems of data integrity ? |
| A | Data availability constraints |
| B | Data inconsistency |
| C | Security constraints |
| D | Data redundancy |
| Q.25 | A set of possible data values is called ? |
| A | Attribute |
| B | Degree |
| C | Tuple |
| D | Domain |
| Q.26 | The particular field of a record that uniquely identifies each record is called ? |
| A | Key field |
| B | Primary field |
| C | Master field |
| D | Order field |
| Q.27 | ……..is a primary key of one file that also appears in another file ? |
| A | Physical key |
| B | Primary key |
| C | Foreign key |
| D | Logical key |
| Q.28 | A logical schema ? |
| A | Is the entire database |
| B | Is a standard way of organizing information into accessible part |
| C | Describe how data is actually stored on disk |
| D | None of these |
| Q.29 | Data duplication wastes the space but also promotes a more serious problem called ? |
| A | Isolated |
| B | Data inconsistency |
| C | Program dependency |
| D | Separated data |
| Q.30 | In E-R diagram, relationship type is represented by ? |
| A | Ellipse |
| B | Dashed ellipse |
| C | Rectangle |
| D | Diamond |
I¦ve been exploring for a little for any high-quality articles or blog posts in this sort of space . Exploring in Yahoo I at last stumbled upon this website. Reading this information So i am happy to express that I have a very good uncanny feeling I came upon exactly what I needed. I so much definitely will make certain to do not overlook this web site and provides it a look on a constant basis.
You are my breathing in, I possess few blogs and rarely run out from post :). “To die for a religion is easier than to live it absolutely.” by Jorge Luis Borges.
Have you ever considered writing an ebook or guest authoring on other websites? I have a blog centered on the same subjects you discuss and would really like to have you share some stories/information. I know my audience would appreciate your work. If you’re even remotely interested, feel free to send me an email.
Greetings! I’ve been reading your website for a while now and finally got the courage to go ahead and give you a shout out from Huffman Tx! Just wanted to tell you keep up the great job!
I love the efforts you have put in this, thanks for all the great blog posts.
I’ve recently started a web site, the info you offer on this website has helped me tremendously. Thank you for all of your time & work.
I have been checking out many of your articles and it’s nice stuff. I will make sure to bookmark your site.
Thank you for the sensible critique. Me and my neighbor were just preparing to do a little research about this. We got a grab a book from our area library but I think I learned more from this post. I’m very glad to see such excellent info being shared freely out there.