A SQL trigger is specialstored procedurethat is run when specific actions occur within a database. Most database triggers are defined to run when changes are made to a table’s data. Triggers can be defined to runinstead oforafterDML (Data Manipulation Language) actions such as INSERT, UPD...
This is the second of a two part series on how triggers work in the two latest versions of MS SQL Server. The first part dealt with what is common between the two versions. This article will detail what's been added to SQL Server 2000. Introduction In the first part of this series w...
Real-world relational databases have tables that contain fields, constraints, and triggers, and tables are related through foreign keys. SQL is used to declare the data to be returned, and a SQL query processor and query optimizer turn the SQL declaration into a query plan that is executed ...
Virtual log file growth In previous versions of SQL Server, if the next growth is more than 1/8 of the current log size, and the growth is less than 64 MB, four VLFs were created. In SQL Server 2022 (16.x), this behavior is slightly different. Only one VLF is created if the grow...
Add basic support forhierarchyidtype in SQL Server. Address an issue with an unknown return type for a function called through synonym. Update ODP.NET to v19.3. SSMA v8.2 The v8.2 release of SSMA for Oracle is enhanced to: Add support forDBMS_OUTPUT.ENABLE/DISABLE. ...
A free graphical user interface, Oracle SQL Developer allows database users and administrators to do their database tasks in fewer clicks and keystrokes. A productivity tool, SQL Developer's main objective is to help the end user save time and maximize the return on investment in the Oracle Da...
Articles What is Azure Database for PostgreSQL?Choose the right PostgreSQL server option in Azure Training Introduction to Azure Database for PostgreSQL training guide Building scalable applications with Azure Database for PostgreSQL will help your business get the most out of your database. Learn how...
A free graphical user interface, Oracle SQL Developer allows database users and administrators to do their database tasks in fewer clicks and keystrokes. A productivity tool, SQL Developer's main objective is to help the end user save time and maximize the return on investment in the Oracle Da...
Below is an example trigger from the AdventureWorks2012 database. You’ll notice the syntax for a trigger is very similar to that of a stored procedure. In fact, the trigger uses the same language to implement its logic as dostored procedures. In MS SQL, this isT-SQL; whereas in Oracle...
SQL is aprogramming language designed to manage large amounts of datastored in a database. It’s primarily used to access, add, modify, and delete data from these databases. When a part of a website or application allows a user to input information turned directly into a SQL query, this...