For Java developers, Java Databa_IT技术专题(Understanding JCA @ JDJ)

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引言： For Java developers, Java Databa

·is java bigger than sun? - the java ecosystem debates the future of java @ jdj »显示摘要«

摘要：suns president: "javaone wasnt about sun" it was billed, to the press anyway, as a debate on "the big question." it brought together, in the general session hall yesterday morning at javaone in san fr......

·cover story: personalize your web applications @ jdj »显示摘要«

摘要： personalization, a recurring requirement in most corporate web applications, can be a very effective tool for streamlining web applications and enhancing the web users experience. in many cases, pe......

Understanding JCA @ JDJ

for java developers, java database connectivity (jdbc) is the only standard interface to database management systems (dbmss). as jdbc has evolved, the number of ways to connect have increased. jdbc 2 added capabilities for compatibility with j2ee. jdbc 3 generalized the structure to support enterprise information systems (eiss) other than dbmss, including messaging services.

jdbc 3 introduced j2ee connector architecture (jca). the initial release of jca (1.0) standardized interfaces to dbmss for application servers. with jca, application servers can access a variety of dbmss without dbms-specific coding. jca also provides local and distributed transaction control, generic deployment capabilities and access outside of dbmss to general eiss.

sun released the fi
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·turbo-charging java for real-time applications @ jdj »显示摘要«

摘要：the java platform is usually perceived as inadequate for real-time applications because of its lack of determinism, that is, its unpredictable execution time. for example, garbage collection (gc), w......

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