(stewashton) When you want to get a target table in sync with a source table, sometimes you have to compare the tables to obtain the differences. Other times the source system provides you with the differences and you just need to apply them. MERGE can help you do that.
Other News
SQL Developer 4.1: Search & Replace Enhancements
(Jeff Smith) In the procedure editor, the editor that’s invoked when working with PL/SQL objects, you will notice a slightly new user interface when invoking a search or a replace.
Performance Schema memory tables and rightless users
(Sveta Smirnova) When I talk about troubleshooting I like to repeat: “Don’t grant database access to everybody!” This can sound a bit weird having one can give very limited read-only access.
Add and detach data partitions from DB2 partitioned tables using InfoSphere DataStage
(Ranjeeta Pegu) Table partitioning has benefits like the ability to roll in (including data in a table) and roll out (detaching data from a table) and improving query performances, particularly in data warehouse and decision support system environments.
Control Statement in Java With Example
(deepak kumar) A program executes from top to bottom except when we use control statements, we can control the order of execution of the program, based on logic and values.
Get Ready to Learn SQL Server 19: Introduction to Sub Queries
(Kris Wenzel) The purpose of this article is to introduce you to subqueries and some of their high-level concepts. There are a lot of details to cover in order to learn sub queries, but you’ll see we cover those in depth in later articles.
Managing Azure SQL Database Authorization
(Marcin Policht) When planning for deployment of Azure SQL Database, it is important to consider all of the security measures that can be implemented as part of the defense in depth strategy. We have already covered in detail one facet dealing with firewall-based protection in one of our earlier art
DB2 Administrative SQL Cookbook: Listing Row-Organized Tables
(Ember Crooks) The DB2 Administrative SQL Cookbook is a series of blog entries that are short. Each focuses on one or a few SQL statements that may be useful when administering DB2 databases. They usually address system catalog views, snapshot tables/views, or snapshot table functions that are stand
Managing the Transition to Big Data – 2
(Lockwood Lyon) With the data stored in the EDW, analysis can now begin. Most IT enterprises provide software packages to users that perform detailed analysis. This is sometimes called Business Intelligence Analytics. Some packages access the EDW data directly, while some extract subsets of data for
Building a Mobile App with DevExtreme and VB
(Hannes Du Preez) Nowadays, you can’t escape the fact that mobile apps are here to stay and mobile apps are slowly but surely surpassing ordinary technology. I mean that, sooner or later, in any developer environment you will encounter mobile apps and the environments surrounding it. Today, I will d