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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?
930how would you write a sql query to compute a frequency table of a certain attribute involving two joins? What changes would you need to make if you want to order by or group by some attribute? What would you do to account for nulls?
1588We are updating a field in sql and alter the row also.after giving the commit command the system is crashed.what will happen to the commands given,whether it will update and alter the table or not?
1338
Explain temporary table vs table variable by using cursor alternative?
How to fine-tune reports?
What is spatial and temporal data?
Name some of the open source software that you can use in alternative to SSR?
What is postgresql server?
Do you know what is blocking?
What is the maximum number of instances in 32 bit and 64 bit sql server 2012?
How do triggers work?
What are the types of dml?
How to enter unicode character string literals in ms sql server?
What are parameterized reports?
Write a code to select distinct records without using the DISTINCT keyword.
Explain aggregate functions?
Do you know what are acid properties?
what stored procedure can you use to display the current processes? : Sql server administration
