(Jack Loftus) Today’s DBA is a coat rack of sorts, with each peg representing a different certification on any number of the big vendor platforms available in the enterprise domain. (R)

(Debu Panda) I got an email from a customer who wanted to use BLOB data type in their CMP entity bean. They store images in BLOB data types in Oracle database and want to map their CMP entity bean field to a BLOB data type. Manipulation of CLOB and BLOB from J2EE applications is a challenging ta

(Harshad Oak) This chapter introduces Servlets and Java Server Pages (JSPs) and then presents a simple example to display how to use JDeveloper in creating Servlets and JSPs. (pdf)

(René Nyffenegger) A sequence is a highly scalable, non-blocking, numerical ID generator.

(Frances Zhao) One of the most time-consuming operations in deploying J2EE applications is establishing a connection to the database. Application servers commonly offer connection caching, or pooling, to minimize the overhead incurred for this task. (Although the terms “connection caching” and “pool

(James Koopmann) At the core of most queries is an underlying table structure. Part II discusses how we can issue the most basic of SELECT statements to extract information from a database table.

(Rick Cook) Because of their size and complexity, database management system installations can frequently benefit from using different RAID levels to support various parts of the system. (R)

(Timothy Prickett Morgan) Chip makers can add performance by shrinking chip transistors every 12 to 18 months and jacking up clock speeds and adding features such as cache. But chips are getting too hot, which burns users twice: once with the electric bill for running the chip and again for the air

(Steve Muench) In past columns, I have shown the various components Oracle ADF provides to simplify the process of building database-centric business services. The application module provides the transactional component clients use to browse and modify view object data, the view object performs

(Colin Barker) PeopleSoft and JD Edwards customers unhappy at being acquired by Oracle are heading over to SAP in significant numbers according to SAP’s head of customer solutions, Leo Apotheker.