Databases Interview Questions
Questions Answers Views Company eMail

How to create DSN..Explain?

Infosys, BeBo Technologies, Accenture,

2 16541

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

Wipro, BeBo Technologies,

7 61721

What are inner join and outer join?

3 8497




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

CSC, TCS, Amdocs,

29 62065

what are Triggers?

TCS,

5 8634

what are stored procedures?

TCS,

6 6955

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

TCS, Green Info Solutions,

7 11958

what are views?

TCS,

7 13481

what is web server?

Satyam,

3 7961

What are functions

3 6234

What are the different table present in MYsql?

3 8477

What is the difference between mysql_fetch_array and mysql_fetch_object?

CTS,

4 8249

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

Oracle, i2,

2 14882

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

CA,

1 2591

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

2 3181







Un-Answered Questions { Databases }

If a stored procedure is taking a table data type, how it looks?

4760


How to fetch/retrieve the data from hieranchical database and put it into the relational database? for e.g I want to extract the data from IMS DB2 database which is a hierarchical db and load that data into the relational database which is a SQL server.Are there any tools available for directing extracting data from hierarchical db and loading into the relational database (SQL server)?

847


sparse lookup and where its options we find in OCI and db2?

1077


what is the scripts in data base?

888


What are the Roles and responsibilities of database administrator?

1496






Provide an example of a shell script which logs into SQLPLUS as SYS, determines the current date, changes the date format to include minutes & seconds, issues a drop table command, displays the date again, and finally exits.

857


Any sample or model question of punjab national bank for deputy manger IT or any sample of PNB.any1 plz do send on

1114


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

974


can u plz tell me what r the mandatory skills for getting job as a sql dba......plz send me all details thank you my id :k.mohann.mohan@gmail.com

712


can u plz provide me oca sql dumps please i need them

769


There are n numbers of flatfile of exactly same format are placed in a folder.Can we load these flatfile's data one by one to a single relational table by a single session??

852


Can you have more than one content canvas view attached with a window ?

1088


1. How many nodes you are using project? 2. What is configuration file? 3. What is modules partition? How it is work in project? 4. What is Environment Variable? How it is use? 5. What is sequence? 6. How do you execute parallel jobs in projects? 7. If you run a job in job sequencer individually without any comments? 8. How many jobs did in your project? 9. How to schedule the job in Data stage 7.5 X2? 10. If you have 10 jobs in PX2, shall you run all jobs at a time? 11. I have 5 jobs (1-5), I connect with each other, but I want to run from 3-5 only how? 12. What is same partition? 13. If you have 40GB hard disk in I have 30GB data how I configure the nodes for partition? 14. Did you write any code for Data stage project? 15. Did you write any code for parallel job execution in your project? 16. Will you schedule all jobs at a time? 1. What are environment variable, job parameters? 2. What is the relationship between the tables in oracle? 3. How can u create the sequence? 4. What are the client components? 5. Tell me about the Data stage administrator? 6. Tell me about the Data stage Manager? 7. What is joining? 8. What is difference between grep command and fgrep command? 9. What is run time column propagation? 10. How to open the file? 11. How do you cleanse the data in your project? 1. Using which stage raw binary converted into dataset? 2. Which stage is used to read the data into external application? 3. Can we convert dataset into raw binary 4. XML path? 5. When we use the hash partition in aggregator stage? 6. How many reject links in transformer stage? 7. Data stage debugger available in which jobs? 8. Tell me two parts of data set? 9. What is the function used for null handling in modify stage? 10. Default execution mode for exception handler? 11. Maximum exception handler allowed in sequence?

2344


Is the After report trigger fired if the report execution fails ?

1571


1) What is ONE_SIZE_FITS_ALL approach? 2) Explain the Common & Variable Header of DATA FILE? 3) What are the Drawbacks to using OMF DB? and the Advantages? 4) List out the Advantages of Undo T.spaces over the Undo SEGMENT? 5) Difference between the Temporary tablespace with TEMPFILE and the Tablespace with TEMPORARY Keyword? 6) What are the situation extents are freeing for reuse.

909