Gain insights from all your data by querying across your entire data estate—SQL Server, Azure SQL Database, Azure SQL Data Warehouse, Azure Cosmos DB, MySQL, PostgreSQL, MongoDB, Oracle, Teradata, and ...

Database views are virtual tables representing a subset of data from one or more tables. Essentially, views are SQL queries that are stored with a name so you can reference them like a regular table.

To debug the issue, I went back to the database server to see what port the database was using by entering netstat -a -b from an administrator command prompt. Upon examining the output, I noticed that ...

In particular, I often look up constraints in SQL*Plus. In this post, I look at the Oracle database views and queries that I use most to get an idea what constraints I am dealing with.