Databases Interview Questions
Questions Answers Views Company eMail

How to create DSN..Explain?

Infosys, BeBo Technologies,

2 13623

What is the difference between SQL, DDL, and DML?

Wipro, BeBo Technologies,

7 57281

What are inner join and outer join?

3 6993




What are joins..how many types of joins are there?

CSC, TCS, Amdocs,

29 58082

what are Triggers?

TCS,

4 6913

what are stored procedures?

TCS,

6 5387

what are indexes..how many types of index's are there and what are they?

TCS, Green Info Solutions,

7 10145

what are views?

TCS,

7 11563

what is web server?

Satyam,

3 5721

What are functions

3 4585

What are the different table present in MYsql?

3 7038

What is the difference between mysql_fetch_array and mysql_fetch_object?

CTS,

4 6795

what is the difference between oracle 81,91,11i

Oracle, i2,

2 13682

How client makes connection with server in client/server architecture?

CA,

1 1895

Is Oracle 7.3 is a single user or multi user..Is it possible to use this as a backend for web applications?

2 2476







Un-Answered Questions { Databases }

how to restore files with rman?

728


What are the uses of Database Trigger ?

195


In one interview...interviewer ask me question pleas tell me sql server architecture.. can any body tell me the sql server architecture with digram

631


how to do daily transactions with out sql* loader control file regesterd in apps?

195


PostgreSql Disadvantages

358


How to check what was the last restore transaction LSN in Log shipping or Mirroring? when we don't have a Monitor or witness server.

2464


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.

1110


dear all,Greetings of the day.. i have a small query plz rply if u knw.. i have done MBA Hr and B.sc microbiology. i am very much interested in it industry,so i am planing to go with oracle HRMS module,can it be work out??

981


Explain the use of table functions.

812


When installing the datastage7.5x2 edtion iam getting aproblem i.e the cpu count is 2 but the cpu count in installation is one . how can i install in my p.c (system is dual core).

839


query optmization techniques and quwry analyser+projects+ppts

899


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

732


your distribution database is full what will u do

715


if some data is not transfered where it will get stored

590


How global cursor can be declare with dynamic trigger ?

582