Introduction to PostgreSQL PostgreSQL is a free and general purpose open source object-relational database system that uses and extends the SQL language. Though originally designed to run on UNIX platforms, PostgreSQL is eligible to run on various platforms such as Linux, macOS, Solaris, and Windows. PostgreSQL databases provide enterprise-class database solutions and are used by […]
Estate management keeps getting more complex, especially with the move to the cloud, or to multiple clouds. Today Steve talks about the need to ensure you know what the settings are in your environments.
In my last post, I talked about how you can get 43%-67% faster backups. This time, I’m using that same SQL Server setup to discuss how throwing more CPU cores might help you check for corruption faster if you’ve already got modern fast storage.
When database development is described, the details often get vague when the data gets beyond spreadsheet-size. There is 'hand-waving' talk of providing databases for each developer, but little detail of how you would provision all the databases that would be needed, at the correct version and with the correct development data, and then keep them all in sync with the source code, as developers commit changes. This article explains the requirements, and how SQL Clone can meet them.
I'm learning how to be a net controller for a high frequency (HF) radio network. Nets are a fun way to make lots of contacts quickly. Taking part in a net is simple. You check in with the net control and then you can answer calls or make calls (different nets have different rules). It's […]
Grouping Sets are an effective way to add subtotals to aggregated queries. T His article explains how.
How can you use GitHub to do team-based database development? This article proposes a process that splits development work into task-based GitHub branches, incorporates daily database builds and integration testing, and using Redgate tools to automate tasks such as provisioning, database scripting, and testing.
Sometimes there is a need to find if a string value exists in any column in your table. This script will help you find all occurrences in all columns in the table.
Introduction In my last article, Loading data in Azure Synapse Analytics using Azure Data Factory, I discussed the step-by-step process for loading data from an Azure storage account to Azure Synapse SQL through Azure Data Factory (ADF). ADF basics are covered in that article. In this article I will go through the process for the incremental […]
By Steve Jones
This month we have a new host, Meagan Longoria, who graciously agreed to help...
By Steve Jones
I’m at the UK Redgate office today, meeting with senior leaders in all areas...
Optimizing Azure SQL Database performance often begins with identifying the most resource-intensive queries. Understanding...
Comments posted to this topic are about the item Creating a JSON Document IV
By VishnuGupthanSQLPowershellDBA
Comments posted to this topic are about the item Restoring Azure Key Vault Keys...
When the schema of an object is changed, SQL Server wipes out the previous...
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