How do I remove duplicates in two columns?

1177

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

1077

what is spatial nonclustered index

1054

How do I create a trace in sql server?

1112

If you're given a raw data table, how would perform etl (extract, transform, load) with sql to obtain the data in a desired format?

1041

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?

2557

Equi join and non equi join is possible with sql server?

1126

how to start mysql server? : Sql dba

1260

How do I find the sql server version?

1099

Is there any performance difference between if exists (select null from table) and if exists (select 1 from table)?

1021

what is sql server agent? : Sql dba

1175

Explain “row_number()” in sql server with an example?

1071

What are the different subsets of sql?

1646

What is in place upgrade in sql server?

1123

what is schema? : Sql dba

1137