Tag: IBM

Community

Using Nulls in DB2

(Craig Mullins) A null represents missing or unknown information at the column level. If a column “value” can be null, it can mean one of two things: the attribute is not applicable for certain occurrences of the entity, or the attribute applies to all entity occurrences, but the information may not

Community

For All Entries vs DB2 Join

(Omer Brandis) All abap programers and most of the dba’s that support abap programmers , are familiar with the abap clause “for all entries”. Most of the web pages I visited recently, discuss 3 major drawbacks of the “for all entries” clause : 1. duplicate rows are automatically removed 2. i

Community

Kick-start your Java apps, Part 2

(Sing Li) The combination of Eclipse, DB2 Express-C, and WebSphere Application Server Community Edition — all free to download, use, and deploy — is an excellent from-prototype-to-production suite for all of your Java and Java enterprise development needs. What might not be obvious is the relative