Author: SSWUG Research

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CopySchema

(Christophe Marcel) CopySchema is a utility for copying all the data from one Oracle schema to another. Although similar to the exp/imp and bulk load utilities of Oracle, it has the advantage of offering a simple GUI interface and of handling changes to the schema. For example, if you are copyin

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X Is for XQuery

(Jason Hunter) Query may cause one of the biggest changes to server-side programming since Java servlets. XQuery is a query language specification under development by the World Wide Web Consortium (W3C) that’s designed to query collections of XML data—not just XML files, but anything that can appea

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Converting dates in character fields

(Kent Milligan) We have files that have dates in character fields in the format “mm/dd/yy”. The dates are stored in character fields with the ‘/’ included so they can be converted to tab delimited file with the CPYTOIMP command. Under V5R1, V5R2 the dates with slashes ‘/’ converted perfectly. Now un

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Lady and the Tramp

(Edd Dumbill) This week’s XML Deviant is a tale of two specifications. One, a scruffy ragtag affair that barely seems to do the job. The other, a well-heeled, aristocratic sort of document, groomed for longevity. You know what’s coming next, of course. The tramp of which I speak, the unlikely RSS, g

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Gathering Space Usage Statistics

(Gregory A. Larsen) As a DBA, you will need to perform a number of different tasks to keep your databases and servers up and running. One of those DBA tasks you will need to perform is disk space capacity planning. You need to make sure there is enough disk space, so when one of your databases n

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How to Misuse SQL’s FROM Clause

(Stéphane Faroult) FROM what? It may seem surprising to state it so, but the FROM clause of SQL statements seems to be one of the most often misused parts of SQL queries. Misused? How is that possible? We put into the FROM clause all the tables to join together in a query, don’t we? Well, well