SQL String functions in SQL Server, Oracle and PostgreSQL
In this article we look at how to use string functions to concatenate, replace, trim and get substrings in SQL Server, Oracle and PostgreSQL.
2021-10-25
In this article we look at how to use string functions to concatenate, replace, trim and get substrings in SQL Server, Oracle and PostgreSQL.
2021-10-25
SQL Server identity columns are easy to add to a table, but you must understand how they work to use them effectively. In this article, Greg Larsen explains the nuances of SQL Server identity columns.
2021-10-22
Introduction According to the official documentation, the READ COMMITTED isolation level “specifies that statements cannot read data that has been modified but not committed by other transactions”. So, one could think that a record returned under this isolation level existed in the committed state at the time of reading. In this article, I am going […]
2021-10-01
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In this article we look at some of the things you should be aware of when building a VM to run SQL Server, such as vCPUs, disks, memory and more.
2021-09-27
The SQL Server identity column is used to populate a column with incrementing numbers on insert. In this article, Greg Larsen explains how it works.
2021-09-13
In this article we look at a PowerShell script that you can use to centrally enable and disable any SQL Server Agent Job on any instance of SQL Server.
2021-09-08
Registration is now open for our free and online data platform conference. Join 1000s of your data peers at PASS Data Community Summit and get access to up to 5 days of training, sessions, networking activities, and events. This year's program has been carefully designed to help you achieve your goals, wherever you are in your data career.
2021-09-10 (first published: 2021-09-03)
In this article we demonstrate how to transfer data via a CSV file from a SQL Server database to a Pandas dataframe and then subset the dataframe in Python.
2021-09-03
Dealing with NULL values especially when joining tables can become a challenge. Let's take a look at this issue and how this can be resolved.
2021-09-01
Learn how to execute the same batch of SQL Server commands X number of times using the GO command.
2021-08-27
By Steve Jones
I had seen these roles in various instances, but never dug into the new...
By Brian Kelley
During COVID, I attended training on software/enterprise architecture given by Mark Richards. One of...
For me, the objective is straightforward: have a backup strategy that is reliable, understandable,...
Comments posted to this topic are about the item Pay for Performance, which is...
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On SQL Server 2025, I run this code as a sysadmin:
CREATE LOGIN Demo WITH PASSWORD = 'Demo1234567' GO ALTER SERVER ROLE ##MS_DatabaseConnector## ADD MEMBER Demo GOI then login as Demo and run this:
USE sandbox go SELECT CURRENT_USERWhat is returned? See possible answers