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Databases Interview Questions
Questions Answers Views Company eMail

Can Multiple instances be run on Single Machine???

3 6065

hi i am working as a testengineer , so i want to no the backend data base connection can any one tell mwe in detail

IntraLogic, Oracle,

2228

How to create LOV in Oracle forms?

Accenture, Polaris,

2 33393

When we give SELECT * FROM EMP; How does oracle respond?

Accenture, HCL, Infosys,

24 57960

What are the advantages and disadvantages, compared to the standard SQL and SQL*plus ?

2 13074

Table 1: STUDIES PNAME (VARCHAR), SPLACE (VARCHAR), COURSE (VARCHAR), CCOST (NUMBER) Table 2: SOFTWARE PNAME (VARCHAR), TITLE (VARCHAR), DEVIN (VARCHAR), SCOST (NUMBER), DCOST (NUMBER), SOLD (NUMBER) Table 3: PROGRAMMER PNAME (VARCHAR), DOB (DATE), DOJ (DATE), SEX (CHAR), PROF1 (VARCHAR), PROF2 (VARCHAR), SAL (NUMBER) PNAME – Programmer Name, SPLACE – Study Place, CCOST – Course Cost, DEVIN – Language the software or package is developed in, SCOST – Software Cost, DCOST – Development Cost, PROF1 – Proficiency 1 Use the above table definitions to answer the questions that follow. Find out the selling cost average for packages developed in Oracle. Display the names, ages and experiences of all programmers How much revenue has been earned through

Azri Solutions,

1 6546

what is inline command?

2 9685

in a master-master replication with two masters and alternate slaves running on two systems.can i have a script or any mysql command to know which one is right now acting as master.

1 3766

What are the default Oracle triggers??

CGI, Tech Mahindra,

3 19360

How many index keys possible for a table

6 12562

What are the all different types of Joins in SQL Server 2000, Anybody can explain each join with definition..Thanks in advance....

DELL, i Tech, Infosys, Siemens, TCS,

9 63780

i wrote a pl/sql procedure. it must run every sunday 4.40 How can i schedule it with the help of dbms_jobs (or another other procedure with out creating bat file,exe file)

eicc,

2324

pls explain connect by prior with example and its real time use

3 14543

wat will be the sql query to extract only last 3 records from table supose table hving thousands for records

19 29875

How to retrieve duplicate rows in a table? How to delete the duplicate entries in a table?

Leo Technologies, Mannar Company, Synechron,

15 32666


Un-Answered Questions { Databases }

What are system databases in ms sql server?

1066


What is sql server and ase?

1031


In what condition is it good to disable a trigger?

1016


What does new grouping sets enables you to do?

1046


What is a sql trace file?

1034


What is difference between inner join and self join?

1090


Can two different columns be merged into single column? Show practically?

1067


List various types of log-based recovery in DBMS.

988


What is timestamp in mysql?

987


What is coalesce in sybase?

946


What is the importance of batch source set up in ar? : oracle accounts receivable

1267


Can you roll back the ddl statement in a trigger?

983


Name some of the open source software that you can use in alternative to SSR?

161


What happens if recursive calls get out of control?

1084


Can videos be stored in a database?

952