Oracle If Statement

After Oracle formally acquired SUN in 2010, Oracle CEO Larry Ellison disclosed to the public that it will compete with and beat IBM in high-end systems and compete with SAP in the application area And beat it. In 2013, Oracle's high-end M systems redefined extreme performance by defeating IBM Power systems in terms of price / performance and memory capacity. In addition, Oracle SaaS applications have been fully brought to market, with subscriptions up 35% by the end of the year. & nb ...

Introduction: The New York Times Online edition of the Tuesday article said Oracle will hold the annual "Open World" meeting this week, and will show the company's future development plan, that is, to provide all the necessary technology, software and hardware.　　The plan has raised concerns among customers and rivals. Here's the full text: In the hardware market Oracle's customers are concerned that Oracle is doing it for the benefit of the company, not the client. Such practices, they argue, will not help customers save money, and in the long run increase customer spending. And Oracle will rely on the soft ...

"The computer industry is the only industry that is more likely to be driven by fashion than female fashion. Maybe I'm an idiot, but I really don't understand what these guys are talking about. What is this stuff? It's all nonsense, crazy words. What's the point of this madness? Oracle CEO Ellison was so cynical about cloud computing at a customer conversation. The so-called "Shing", only 3 years away from this taunt, the former to ignore the cloud Oracle is now staged "face", not only in the cloud business related to the acquisition of the company frequently hair ...

Method 1 delete yourtable where [id] not in (select max ([id]) from yourtable group by (name + value) b on a.id = b.id where b.id ...

As an outstanding representative of the Object relational database, Oracle is undoubtedly the most powerful. Whether it's the size of the database, the support of multimedia data types, the parallelism of SQL operations replication, or the security services, Oracle is much stronger than Sybase, Informix, Added to the latest version of the Oracle8.0.4 is to enhance the characteristics of this, but also introduced a number of new features, such as: Data partitioning (partitioning), Object-relational technology (objects relational T ...

This article is for IBM system architect Mr. Wang Wenjie (valen_won@hotmail.com) in its blog park Zhiding Bowen thinking EXADATA (link original address: http://www.cnblogs.com/wenjiewang/archive/2012/10/07/ 2714406.html) mentioned some of the views on the Exadata from the technical point of view gives my personal opinion of some different, of course, I have limited level, it is inevitable that omissions or mistakes. ...

After more than eight years of practice, from Taobao's collection business to today to support all of Alipay's core business, and in the annual "Double Eleven Singles Day" continue to create a world record for the transaction database peak processing capacity.

We want to do not only write SQL, but also to do a good performance of the SQL, the following for the author to learn, extract, and summarized part of the information to share with you! (1) Select the most efficient table name order (valid only in the Rule-based optimizer): The ORACLE parser processes the table names in the FROM clause in Right-to-left order, and the last table in the FROM clause (the underlying table driving tables) is processed first, In the case where multiple tables are included in the FROM clause, you must select the table with the least number of records as the underlying table. If...

This reporter Liu Hongyu java The future of the uncertain situation seems to be due to the IBM release of a message changed. According to foreign media reported October 12, IBM will be related to Java development work from the Apache Harmony Project to OpenJDK. According to IBM's official statement, the move "eliminates some of the uncertainties surrounding Java's future development".　　However, such leeway is still not to allow developers to completely eliminate doubts. To be clear about what to worry about, you might want to start with some of the things that split Java. Developers often ...

Shentong Express its electric business platform "Love to buy the network super" since September 20 has been unable to visit the normal, love to buy a network of less than two months to declare failure. Shentong Express President Xichunyang said, "Love to buy the net" at the beginning of the line that the product category is too miscellaneous, after the line does appear a variety of problems, so decisive stop to adjust. "(electricity) in this direction we did not give up, is currently undergoing category adjustment, want to take the boutique route." Xichunyang said there was no timetable for the "resurrection" of the love purchase. Other people familiar with the matter said, love to buy the net money from Xichunyang personal investment, the senior management from a ...