Overview In this article, we will cover these PostgreSQL clauses with examples: HAVING, LIMIT and FETCH. In a previous article we discussed the WHERE, ORDER BY and GROUP BY clauses. Click the link if you wish to learn about those clauses. HAVING Clause The HAVING clause works on grouped data returned by a GROUP BY. […]
2021-06-25 (first published: 2021-05-17)
3,117 reads
create a sql server polybase scale out group in azure for free
2021-06-23 (first published: 2021-04-12)
2,022 reads
In this article, I will work you through the process of creating elastic jobs in Azure using PowerShell. The elastic jobs are similar to regular agents jobs in SQL Server although they add extra functionality like for example dedicated target groups that can be used in the job step level. Currently, the elastic jobs are […]
2021-06-21 (first published: 2021-05-03)
2,043 reads
Introduction We are comfortable with inserting/deleting record(s) into/from a table. But we sometimes get confused when we need to insert or delete records conditionally from a table. Let us look at an example. Example scenario Suppose we have a table, called ALL_EMPLOYEES, which contains all employees' information who are working or had ever worked for […]
2021-06-18 (first published: 2021-05-12)
10,807 reads