Xquery Value

Oracle Global Congress, September 24, 2013-Bringing large data into the business can create opportunities for business change, but the growing number and complexity of large data can also pose challenges. With Oracle Unified information architecture, customers can easily and economically integrate Hadoop and NoSQL platforms with data warehousing and business Analytics solutions to maximize the value of large data. Although Hadoop provides an extensible foundation for large data projects, the lack of intrinsic security has been an obstacle to many enterprises adopting Hadoop. To solve this problem ...

As a software developer or DBA, one of the essential tasks is to deal with databases, such as MS SQL Server, MySQL, Oracle, PostgreSQL, MongoDB, and so on. As we all know, MySQL is currently the most widely used and the best free open source database, in addition, there are some you do not know or useless but excellent open source database, such as PostgreSQL, MongoDB, HBase, Cassandra, Couchba ...

The concatenation (join) and segmentation (split) of MSSQL strings are often used by masters using select number from Master. spt_values WHERE type = ' P ', this is a good way to do it, but there are only 2048 digits, and the statement is too long and not convenient. In short, a digital assistance table (100,000 or 1 million per person needs), you deserve it. 2. Useful index of the calendar table: ★★★☆☆ "SQL Programming Style" a book suggests an enterprise ...

Microxml is one of the results of these discussions. Microxml is a backward-compatible, simplified version of XML, where the prominence of some of the participants and the timing of the microxml appear. John Cowan has developed the Microxml parser in Java™ and other related tools. This article describes the technical differences between Microxml and its XML 1.x and related standards. XML is a highly successful technology, but it is not without flaws. After great success ...

By flexibly using the Software Stack in the TPM, Software Product, and the SRT defined on it, you can combine different types of environmental deployment, such as creating only virtual machines, installing software only, creating virtual machines, and installing software. This article will detail how to use TPM software components to flexibly implement automated deployments of various environments by defining different SRT parameters. TPM full name is Http://www.aliyun.com/zixun/aggrega ...

Some time ago to discuss the development trend of mobile electric business with my friends, my view is very optimistic, after all, the results of the mobile electricity business in 2012 is very good, and the friend's point of view is to doubt the authenticity of the number, and the second is that even if it is true, it is only a small share of the traditional electricity business, it is difficult to form a major breakthrough. 　　Have some simple thinking about it, share with you. Regarding the development trend of the mobile electricity quotient, I think can be from objective and subjective two aspects speaking. Objectively speaking, the basis of the development of mobile electric power has been basically formed, one is the hardware and technology level market ...