Relational Database
Relational Database
Database: A database is information that is set up for easy access, management and updating.
In a relational database, data is stored in different tables with relationships to each other.. The database has rows and columns and a unique key for each data point.These tables communicate and share information, which facilitates data search ability, organization and reporting.
In the case of relational database, a Relational Database Management System (RDBMS) performs these tasks. An important feature of this database system is that a single database can be spread across several tables. E.g. Base, Oracle, DB2, SyBase, Informix, etc.
The cardinality property of a relation, refers to the ___________________- | |||
| Right Option : C | |||
| View Explanation | |||
_______ is a primary key of one file that also appears in another file. | |||
| Right Option : C | |||
| View Explanation | |||
In files, there is a key associated with each record which is used to differentiate among different records. For every file, there is at least one set of keys that is unique. Such a key is called _____________________ | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [10]
Being a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
Prisha Gupta
8thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
10thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thMy experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
7thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thIt was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
