Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / neha_gupta
The index for a table is selected , if there is a column
which is getting repetedly called in your queries.
On the data of the table the type of index can be selected.
| Is This Answer Correct ? | 0 Yes | 2 No |
Post New Answer View All Answers
How default key is different from primary key?
Why do we need distributed database?
give a simple example of physical and logical data independence
define primary key index, bitmap index, hash index,virtual indwx
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.
can u combine pipeline parallelism and partition parallalism? how and whan?
What is the purpose of TNS?
Explain the table term used in database.
Which is the best graph database?
query to Compare data of two tables between two different Databases(Oracle and SQL Server) Eg., Source Database: Oracle Table: Employee Target Database : SQL Server Table : emp
HOW WE PASS PARM PARAMETERS TO CL VARIABLES FROM RPGLE?
Explain normalization in one line?
What is ole db used for?
WHAT IS NEED BY METION DATFMT AND TIMFMT IN H-SEPICITION IN RPGLE?
Which three commands cause a transaction to end?
