If there is a need to move data between local SQL Server instances (on-premise) and Azure SQL Databases we can use Azure Data Factory. But it isn’t the ideal solution all the time: it’s paid in some scenarios and not everyone is familiar with it. And the most critical issue…
One friend called me yesterday that he can’t believe what’s happening to him: he is saving various strings to the table and to check if the string already exists he is generating hashes using the SHA2_256 algorithm. But today he has seen that for the same string stored in two…
Power BI Report Server release schedule
20. 2. 2019
Who is using Power BI Report Server in regular production with many users creating and publishing reports in Power BI Desktop is facing one crucial issue: there is regular monthly release for Power BI desktop but releases for Report Server for Power BI are coming unexpectedly even Microsoft has announced…
Comparing strings with trailing spaces
20. 2. 2019
There is all the time confusion in the developer’s daily job how exactly is SQL Server handling padding spaces before and after strings in comparison and data persistence. Time to make it more clear now. The few most important things to remember are: SQL Server follows the ANSI/ISO SQL-92 specification…
Azure Data Studio
27. 1. 2019
Azure Data Studio, formerly known as SQL Operations Studio, is a tool for basic SQL Server querying and administration on Windows, Mac-OS, and Linux. That it can be executed on other platforms then Windows is the main point why it was created and it’s the logical evolution of SQL Server…
Specifying FILEGROUP in SELECT * INTO
17. 1. 2019
SQL Server 2017 and SP2 for SQL 2016 bring a small enhancement of SELECT .. INTO clause which offers more possibilities on how to solve some DBA head-scratching situations. It’s possible to specify FILEGROUP where the new table will be created. Till now it was only in the PRIMARY filegroup…
SQL Server 2016 brings a lot of new configuration options at the database level (DATABASE SCOPED CONFIGURATION) instead of at the instance level only. SQL Server 2017 adds to this list another new option. It’s called IDENTITY_CACHE and allows us to adjust if the IDENTITY values generator will use cache…
Power BI Helper
6. 1. 2019
Power BI Helper is a smart tool that allows us to analyze Power BI Desktop files or connect to the model running inside the Power BI Desktop instance and check various performance-related statistics or metadata. In the latest major update released in December 2019, it brings a huge list of…
Při spuštění Power BI Desktop nám stále vyskakuje přihlašovací formulář, který nás vybízí k registraci do powerbi.com nebo k přihlášení k již existujícímu účtu. Dialogy sice můžeme odklikat tím, že na prvním z nich zvolíme přihlášení k existujícímu účtu a následně přihlašovací formulář stornujeme, což ovšem není určitě ideální scénář,…
Funkce STRING_AGG(), novinka v SQL Serveru 2017, řeší nekonečné problémy s tím, jak spojit dohromady řetězce z více řádků v rámci jednoho datového setu. V průběhu let jsme pracovali nejčastěji s využitím FOR XML PATH (nebo JSON), případně s deklarací proměnné a sčítáním řetězců. To vše už nyní budeme používat…