By Guy Harrison, Steven Feuerstein
within the decade given that MySql burst at the scene, it has turn into the dominant open resource database, with functions and function rivaling these of industrial Rdbms choices like Oracle and Sql Server. besides Linux and Hypertext Preprocessor, MySql is on the center of thousands of purposes. And now, with help for kept techniques, capabilities, and triggers in MySql 5.0, MySql bargains the programming energy wanted for actual company use.
MySql's new procedural language has a simple syntax, making it effortless to write down basic courses. yet it isn't really easy to write down safe, simply maintained, high-performance, and bug-free courses. Few within the MySql global have tremendous event but with saved techniques, yet man Harrison and Steven Feuerstein have many years of mixed expertise.
In MySql saved method Programming, they positioned that hard-won event to strong use. choked with code examples and overlaying every thing from language fundamentals to program development to complicated tuning and top practices, this hugely readable booklet is the one-stop advisor to MySql improvement. It contains 4 significant sections:
- MySql kept programming basics -- instructional, simple statements, Sql in saved courses, and blunder handling
- Building MySql saved courses -- transaction dealing with, integrated capabilities, saved features, and triggers
- MySql saved courses in purposes -- utilizing kept courses with personal home page, Java, Perl, Py
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Extra info for MySQL Stored Procedure Programming
Even if, MySQL—being loose or super low cost[*]—had a distinct allure for clients who have been not able to have enough money a advertisement relational database. As with such a lot open resource applied sciences, MySQL has skilled quick technological development—adding transactions, subqueries, and different beneficial properties ordinarily linked to dear advertisement choices. by way of the discharge of MySQL four. zero, MySQL used to be getting used in a mission-critical demeanour through progressively more high-profile businesses, together with Yahoo, Google, and Sabre. in the meantime, the economic database businesses were including beneficial properties that, even supposing major for the very excessive finish of the industry, have arguably passed the necessities of the vast majority of database clients: they're extra thinking about functionality, manageability, and balance than with complex gains equivalent to composite item facts varieties, embedded Java digital Machines, or advanced partitioning and clustering features. With the five. zero unlock, MySQL has arguably crossed one of many final final strength thresholds for company credibility. the power to create saved approaches, capabilities, triggers, and updateable perspectives gets rid of one of many final closing objections to utilizing MySQL as a mainstream advertisement database. for example, ahead of the advent of saved strategies, MySQL couldn't declare Java J2EE certification, as the certification exams comprise kept technique exercises. whereas the "commercial" databases nonetheless contain many good points now not present in MySQL, those positive aspects are frequently superfluous to the desires of mainstream database functions. We think that MySQL will keep growing in importance because the most advantageous open resource RDBMS and that kept programs—procedures, capabilities, and triggers—will play a massive half within the ongoing MySQL luck tale. * * * Tip First, a word approximately this book's name and terminology. The IT undefined, the media, and MySQL AB itself normally use the time period saved strategies to consult either saved approaches and saved features. whereas this is often technically faulty (a functionality isn't a procedure), we felt that the identify MySQL saved method Programming may such a lot adequately and succinctly describe the aim and content material of this booklet. We additionally felt that the identify MySQL kept strategy, functionality, and set off Programming could simply be an excessive amount of of a mouthful! * * * to prevent any confusion, we use the final time period saved application inside of this ebook to consult the set of database exercises that comes with methods, capabilities, and triggers, and to precise kinds of courses (e. g. , kept strategies) whilst acceptable. targets of This booklet the recent features supplied by way of saved strategies, features, and triggers (we name those, regularly, kept courses) require new disciplines for MySQL builders, just some of whom could have previous event in kept application improvement utilizing different relational databases. clever use of kept courses will bring about MySQL purposes which are extra strong, trustworthy, and effective.