Databases Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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Databases Interview Questions

Questions Answers Views Company eMail

what is offset-fetch filter in tsql? : Transact sql

1 1031

what is sp_pkeys? : Transact sql

1 1236

how tsql statements can be written and submitted to the database engine? : Transact sql

1 1066

mention if it is possible to import data directly from t-sql commands without using sql server integration services? If yes, what are the commands? : Transact sql

1 1119

What is t-sql? : Transact sql

1 1067

what is the difference between sql and t-sql? : Transact sql

1 1165

how to do backup entire database? : Transact sql

1 1219

what are the limitations of identity column? : Transact sql

1 1184

what is the use of set statement in tsql? : Transact sql

1 1080

what is the syntax for using sql_variant_property? : Transact sql

1 1120

Why do we use group by and order by function in mysql?

1 987

What is join in mysql? What are the different types of join?

1 1011

If we use sum function in mysql, does it return sum of that row or for that column?

1 1054

What do we use to remove duplicate records while fetching a data in mysql ?

1 1045

What is the use of count function in mysql?

1 1109

Un-Answered Questions { Databases }

What are the different SQL Server Versions you have worked on?

1077

What is sql server query analyzer?

1126

What are the risks of storing a hibernate-managed object in a cache? How do you overcome the problems?

1194

You have a stored procedure, which execute a lengthy batch job. This stored procedure is called from a trigger you do not want to slow the data entry process you do not want trigger to wait for this batch job to finish before it completes itself what you can do to speed up the process?

1210

What kind of problems occurs if we do not implement proper locking strategy?

1496

Design database draw er diagram for a certain scenario ?

4650

How to convert character strings into numeric values?

1187

What is a coalesce function?

1279

This question asked during interview, 2) At the end of each month, a new table is created for each bank that contains monthly metrics consolidated at the account level. The table naming convention is bankX_YYYYMM where X represents the numeric designation of the bank and YYYYMM indicates the 4 digit year and 2 digit month. The tables contain the following fields: name data type description account text account number registered boolean indicates whether the account is registered num_trans integer number of transactions made during the time period spend numeric(9,2) total spend during the time period a) Write a SQL query that will display the total number of transactions and total spend for "Bank1" during the 4th quarter of 2009. b) Write a SQL query that will display the total number of transactions and total spend at "Bank1" and "Bank2", broken out by registered vs. non-registered accounts, during January 2010 not sure what is correct answer and how to solve?

2562

in user parameter property we have list of values.can we write select query for binding? for example:: select empno from emp where deptno=:deptnum :deptnum is first parameter it displays distinct dept nos. if i do like this it is giving error:: bind variables are not allowed in the select statement

2211

What is temporary table in sql server? Why we use temp table?

1017

Can we shrink data file in sql server?

1124

Is primary key always clustered index?

1094

Is there some bulk load or other way to import a lot of data fast?

931

How to define array in mongoose schema?

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