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Databases Interview Questions
Questions Answers Views Company eMail

Can Multiple instances be run on Single Machine???

 3 6090

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,

2233

How to create LOV in Oracle forms?

Accenture, Polaris,

2 33414

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

Accenture, HCL, Infosys,

24 58080

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

 2 13089

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 6564

what is inline command?

 2 9710

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 3779

What are the default Oracle triggers??

CGI, Tech Mahindra,

3 19383

How many index keys possible for a table

 6 12600

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 63838

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,

2336

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

 3 14569

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

 19 29987

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

Leo Technologies, Mannar Company, Synechron,

15 32766

Un-Answered Questions { Databases }

How to create a single index for multiple columns?

1049

Which database is good for large data?

1007

At what levels can data validation be done in microsoft access database?

1051

What is left join in sql?

1069

Explain the disadvantages of cursors?

1165

Can you insert NULL in unique column?

1183

Why use update_statistics command in sql server?

1071

What is the purpose of sql profiler in sql server? : sql server database administration

1119

Is data lake a database?

985

Explain having clause?

988

List and explain the different types of join clauses supported in ansi-standard sql?

1369

What information is maintained within the msdb database?

993

Show how functions and procedures are called in a pl/sql block.

1146

What is table scan and index scan?

1136

How do you backup a database?

1001

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