Azure Databricks Tables - Delta Lake, Hive Metastore, TempViews, Managed, External
Learn about the different tables that can be created using Azure Databricks with a dive deep into the importance of Delta Lake tables.
2023-10-20
Learn about the different tables that can be created using Azure Databricks with a dive deep into the importance of Delta Lake tables.
2023-10-20
The SQL Server Database Engine processes queries on various data storage architectures such as local tables, partitioned tables, and tables distributed across multiple servers. The following sections cover how SQL Server processes queries and optimizes query reuse through execution plan caching.
2023-10-20
Several data management patterns have emerged for microservices and cloud-native solutions. Learn important patterns to manage data in a distributed environment.
2023-10-18
Learn about the evolutionary journey of ETL (Extract, Transform, Load) from traditional processes to modern cloud solutions.
2023-10-18
In this article, we look at execution plans and performance of a natively compiled stored procedure versus a traditional stored procedure.
2023-10-16
Find out how good database design is essential to ensure data accuracy, consistency, and integrity and that databases are efficient, reliable, and easy to use.
2023-10-16
This article gives an overview of MongoDB and outlines steps to integrate python with MongoDB
2023-10-13
846 reads
Microsoft has built an amazing platform with Azure SQL Database and has recently announced an offer to use this for free. Read about the capabilities and options with this cloud database platform.
2023-10-13
2,887 reads
2023-10-13
Learn how you can parse a series of parameters that are passed in a string of tuples, meaning pairs, of values and preserve order without using STRING_SPLIT with the ordinal parameter.
2023-10-11
2,113 reads
By SQLPals
Track SQL Server Configuration Changes Using the Error Log If you...
Good documentation gets you started. Good books get you deep. After years of working...
By Vinay Thakur
In previous posts, we looked at the SQL Server engine. for us DBAs, the...
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I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT YearEstablished, json_objectagg(city : TeamName) FROM dbo.NFLTeams GROUP BY YearEstablished;See possible answers