In the internship, to deal with a table with 2.04 million records, because the records are taken from the Internet, so there are some less ideal words, such as some words mixed with special characters, punctuation, or some words are simply punctuation and so on. I write this program is to find out these unsatisfactory words, can be modified on the modified, no need to modify the direct deletion. [Java]&http://www.aliyun.com/zixun/aggregation/37954.html]
SQL and NoSQL Hybrid database solutions that are compatible with many SQL applications while providing NoSQL scalability. Xeround provides such services in the cloud, including a free version. Other programmes include JDBC-driven database.com, NuoDB, http://www.aliyun.com/zixun/aggregation/13932.html ">clustrix and Voltdb." Xero ...
Based on the Apache Hadoop 2.2 released last month, concurrent, a large data application platform expert, today unveiled a new version of cascading--'s large data application framework. Concurrent also launched cascading lingual 1.0, an Open-source project that provides a full ANSI SQL interface. Cascading is a stand-alone Open-source Java application framework designed as an alternative API for MapReduce. ...
The REST service can help developers to provide services to end users with a simple and unified interface. However, in the application scenario of data analysis, some mature data analysis tools (such as Tableau, Excel, etc.) require the user to provide an ODBC data source, in which case the REST service does not meet the user's need for data usage. This article provides a detailed overview of how to develop a custom ODBC driver based on the existing rest service from an implementation perspective. The article focuses on the introduction of ODBC ...
The core concept of sub-library table is based on MySQL storage. Solving the problem of data storage and access capacity, the product supports the database traffic of previous Tmall double eleven singles day core transaction links, and gradually grew into the standard of Alibaba Group access relational database.
Several years of work down, also used several kinds of database, accurate point is "database management system", relational database, there are nosql. Relational database: 1.MySQL: Open source, high performance, low cost, high reliability (these features tend to make him the preferred database for many companies and projects), for a large scale Web application, we are familiar with such as Wikipedia, Google, and Facebook are the use of MySQL. But the current Oracle takeover of MySQL may give us the prospect of using MySQL for free ...
The Big data field of the 2014, Apache Spark (hereinafter referred to as Spark) is undoubtedly the most attention. Spark, from the hand of the family of Berkeley Amplab, at present by the commercial company Databricks escort. Spark has become one of ASF's most active projects since March 2014, and has received extensive support in the industry-the spark 1.2 release in December 2014 contains more than 1000 contributor contributions from 172-bit TLP ...
This time, we share the 13 most commonly used open source tools in the Hadoop ecosystem, including resource scheduling, stream computing, and various business-oriented scenarios. First, we look at resource management.
As we all know, the big data wave is gradually sweeping all corners of the globe. And Hadoop is the source of the Storm's power. There's been a lot of talk about Hadoop, and the interest in using Hadoop to handle large datasets seems to be growing. Today, Microsoft has put Hadoop at the heart of its big data strategy. The reason for Microsoft's move is to fancy the potential of Hadoop, which has become the standard for distributed data processing in large data areas. By integrating Hadoop technology, Microso ...
Open standards can be used via Optim http://www.aliyun.com/zixun/aggregation/13722.html ">open Data Manager,optim" (such as ODBC, JDBC, or XML) provides continuous access to archived data. Learn the difference between the available methods for accessing Optim archived data in the linux®/unix® environment, and how to do so in a Linux environment ...
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