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Activation of Cherry City Software OLEDB Provider for MySQL

If you read my previous post, How to install MySQL Connection Provider, you know that installation of the provider is just the first step. Yes, you can test the connection, but any attempt to run a query against your MySQL database will result with error saying "MySQL OLE DB provider has not been activated".  I was stuck for a while with this error - it doesn't direct exactly to a resolution of the issue. I analyzed the code of SelectCompare and found nothing wrong with it. I googled for some information pertaining to the error message. I found some old pages that referenced the message, but no solutions.  This made me thinking - after all, if Google doesn't show relevant results, there must...

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How to install MySQL Connection Provider

SelectCompare can connect to virtually any OleDB or ODBC data source. Once you have the connection provider installed, you can use SelectCompare to connect to respective database and compare its data with any other data set you wish. Data provider installation There is a number of different providers for MySQL. I used in this example one older, but still popular provider implemented by Cherry City Software. You can download the MySQL data provider from the download page. After you download the archive, extract its contents to a folder and run the setup. This is a pretty standard installation wizard. Follow the installation wizard until the installation is complete. You will have to have administrative rights on your machine to install...

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How to compare database schema with baseline

It is easy to create a comparison project to compare the schema of tables in a database and a saved baseline stored in Excel. After all, the database schema is stored in system views, and contains full information about your columns, data types, stored procedures and other elements of a typical database. For this post, I limited the schema information to the list of columns returned by the query  select * from information_schema.columns Note: This post uses SQL Server databases AdventureWorks2014 and AdventureWorks2008 databases as example environment, but you can connect any other database technology - MySQL, Oracle, MariaDB, PostgreSQL, and more! Create your data baseline I selected the columns information from AdventureWorks2008 and exported it to an Excel workbook using SelectCompare....

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Create Excel baseline for your data

When you work with data, it is very useful to create a baseline to which you compare your data set. For example you can create the baseline from production data, and compare the results of a process you are implementing after the changes were introduced. This is a huge benefit for controlled environments: SelectCompare will highlight the changes in the output, and you don't have to query the production system anymore! Create Excel baseline from source data It is very easy to create a baseline in SelectCompare. When you create a project, write a query that will return the data you will want to use as the baseline. Use the required logic to extract the data that you need. Run the...

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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. Where do I start? First, you have to install appropriate driver to connect to the Excel workbooks. It is an easy step to get you up and running. Install drivers First thing is to install the...

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