what is cardinality

Answer Posted / manoj

The no. of records in a table in a table is called its
cardinality.

Is This Answer Correct ?    3 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Hi, I want do a course in DWH Informatica Administrator and Abinito Administrator please tell me some institute in chennai and i am searching for a job,so please help me and my mail id : satty_rh@yahoo.co.in Thanks, Kumar

1575


What is database schema name?

574


where can i free download sqlserver2008..i can install sqlserver2008 without visual studio 2008 and work on it

1577


1. How to test Database? Please, give me all details for "SQL,Msaccess, Mysql Database? 2.For which functionalities database used? 3.How to convert Guest to Admin by Mysql database?

1727


Design an ETL process( batch job/script)from source to starting that u will not be dependent on the source in the near future?please elobarate details on what are things to consider.if you'd like to do a diagram that will be great.please answer it

1692






What is global database name?

545


Which database is best to store images?

528


What is the Lock Based Protocol used for?

642


london school of science and technology has a software development unit,known as lsst solutions,which is responsible for developing and implementing software throughout the collegejames tristan keeps a record of all student details in the college including student id,name,and start date and phone number.There are many courses offered by LSST. For example MBA, MSc, BSc, BABS, DF, English etc. Each course id identified by course id, description, duration. Each course has many semesters. Each semester takes place during a particular term. Semester details and term details are required to be stored in the database. Each course has many subjects and same subject may be offered in many courses. For each subject many details such as Subject code, name, result and attendance are required to be stored. Every subject has mainly two assessments; one assignment and one exam. Assignment is worth of 30% and exam 70% respectively. You have been appointed as a database designer. Your job is to provide ERD with all possible entities and relationships. Note: Feel free to make necessary assumptions 3: Assignment Tasks. 1. Create an ERD for the above problem 2. Translate the ERD to Relational Data model (RDM) 3. Implement the RDM by creating the tables 4. Populate the database with your own data. 5. SQL Queries for the following tasks a. List all student details in each course along with course details b. Count and display number of students in each course. c. List student name, course name, assessment description, marks for all students.

2004


What is aws documentdb?

644


Explain about ur projets on teradata???

1360


Explain entity ?

598


List the properties of a transaction.

637


How to do Data integrity testing? Who does this testing (Developer or tester)?

1610


What are the validations performed on the source data? If there are junk data available in the source data, how to eliminate it?

1582