Suppose I have some customer IDs and dates of transactions. What I would like is one column showing their previous transaction date, and another sh ...

I am trying to get all the missing dates in a sequence of dates which are in an ascending order. How can I do it using a simple sql without using any ...

I am working on one of the MPP databases and would like to run a single SQL query using multiple sessions in python or UNIX shell script. Can somebody ...

We have a file in S3 that is loaded in to Redshift via the COPY command. The import is failing because a VARCHAR(20) value contains an Ä which is bein ...

I have a SSAS tabular mode cube that reads data from an Actian Matrix database using ODBC. The project processes fine when I'm using a data set with 1 ...

I've coded a simple Function using Postgres but keep getting the following: ERROR: syntax error at or near "$2". The underlying database is P ...

This question comes as a result of a limitation in Amazon Redshift, the columnar analytics database based on Paraccel. One of the unsupported features ...

In analytics processing there is often a need to collapse "unimportant" groups of data into a single row in the resulting table. One way to do this is ...

I have several tables in Amazon RedShift that follow the pattern of several dimension columns and a pair of metric name/value columns. I am looking ...

I noticed that the first time I run a query on RedShift, it takes 3-10 second. When I run same query again, even with different arguments in WHERE con ...

I have two tables in redshift: tbl_current_day - about 4.5M rows tbl_previous_day - about 4.5M rows, with the same data exactly as tbl_current_ ...

Anybody has a link to ParAccel documentation where I can find all column encodings that ParAccel has with description and examples for each? Thanks! ...

I am wondering if anyone knows how to connect an ASP.net application to paraccel? I am very new to ASP.net development, just installed visual studio. ...

I have a table in RedShift. How can I see how many disk-space it uses? ...

Does Redshift efficiently (i.e. binary search) find a block of a table that is sorted on a column A for a query with a condition A=? As an example, l ...

On Amazon Redshift, do concurrent queries affect each others performance? For example, lets say there are two queries: one on a relatively small tabl ...

As there is no support for user defined functions or stored procedures in RedShift, how can i achieve UPSERT mechanism in RedShift which is using ParA ...