Data blog — sql query RSS



Write Select Statements for Excel Spreadsheets

SelectCompare allows for data comparison of Excel spreadsheets, as well as other data sources with simple, unified interface. You may be initially anxious about writing an SQL statement to pull data from your Excel, but it is actually pretty easy! This post will show you a few examples of writing queries against your spreadsheet that you will be able to use right away for your Excel data comparison. If you want to find out how to connect to an Excel workbook, please read another post on this blog - Compare Excel Spreadsheets You will see below how to query Excel spreadsheets, specify ranges of columns and rows, and write simple filters that make SQL so powerful. In a general sense,...

Continue reading




Compare Excel Spreadsheets

Comparing Excel Spreadsheets - Why? Business and Data analysts, Developers and QA testers often have to verify their data is correct. Microsoft Excel is used to create a snapshot of "good data". Reports are captured and copied into Excel, data is exported and distributed as the model to use. SelectCompare allows you to compare Excel spreadsheets in the same way as other data sources. This post is going to show you the process of creating data connections to Excel workbooks and comparing data between two spreadsheets. Hava a look at the Excel data comparison use cases - there is plenty more! Where do I start? First, you have to install appropriate driver to connect to the Excel workbooks. It is an easy...

Continue reading



SQL Data Comparison - User Manual

This blog post describes the process of creating and running of a data comparison project. Data comparison projects are containers that define the connections to the data sources and the SQL queries that retrieve data from these sources. The data comparison projects allow for definition of the key columns joining the data sets as well as other parameters.

Continue reading