Author: SSWUG Research

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A Cure for Madness

(C.J. Date) I wrote this short note in response to a paper titled Subquery Madness, in which the author, Jonathan Gennick, raises a question about subqueries in SQL and their implementation in Oracle. The following is an edited version of his question. We’re given a table called SUBTEST with t

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Validating Input Xml Data Files

(Susan Abraham) In most Business Applications we frequently find that the input to a System would be in the form of Xml Data Files. This is particularly true with Modules of a Project that deal with Interoperability. These input files would require to be validated. The validation of an Xml input Fil

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.NET and DB2 UDB

(Victor Alvarez) With the latest release of DB2 Universal Database (DB2 UDB) for Linux, UNIX, and Windows, IBM provides .NET developers with a credible alternative to SQL Server. Traditionally, developers working with .NET have resorted to Microsoft SQL Server as the database of choice.

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Controlling Mythological Code

(Steven Feuerstein) Don’t use the XYZ feature; there was a problem back in version n.n.” “Always use explicit cursors; doing so is the most efficient way to fetch a single row of data.” “Avoid packages; they use too much memory.” I bet you’ve heard one variation or another of such statements