Oracle Remove Index

In the daily link to the Silicon Valley, the most fresh information! The "Silicon Valley" here refers to the typical and innovative business representatives abroad. 1. Google announced the completion of the first fully functional unmanned vehicle prototype <http://tech.sina.com.cn/it/2014-12-23/doc-icesifvy1086065.shtml> Google announced in Monday, The company has completed its first unmanned car prototype, the company's first fully functional unmanned vehicle. To an existing ...

The US stock market closed in Wednesday with mixed prices and the Dow Jones index fell 23.05 points to 8299.86, or 0.3%, for the fourth consecutive session.　　European equities closed higher in Wednesday, with France's CAC-40 index rising 2.2%; Germany's DAX index rising 2.7%; The FTSE 100 index up 1.2%. US stock Market Wednesday review: Dow fell for the fourth consecutive session in Wednesday, continuing to be dragged down by Boeing, Oracle to bolster technology stocks and Supervalu performance to investors ...

After MySQL was acquired by Oracle, the industry has never stopped talking about the Open-source database, and the voice of PostgreSQL will be replaced as the most popular Open-source database. However, from the Db-engines rankings, the gap between PostgreSQL and MySQL is far more than "a few floors" so high (Postgresq not score a fraction of MySQL). Looking at the entire list of 193 databases, we will find that the NoSQL database has accounted for most of the land, the listed traditional relational data ...

After MySQL was acquired by Oracle, the industry has never stopped talking about the Open-source database, and the voice of PostgreSQL will be replaced as the most popular Open-source database. However, from the Db-engines rankings, the gap between PostgreSQL and MySQL is far more than "a few floors" so high (PostgreSQL not score a fraction of MySQL). Looking at the entire list of 193 databases, we will find that the NoSQL database has accounted for most of the traditional relationship ...

Hadoop technology in telecom operators online log processing application architecture Fang Jianguo First, the telecom operators Internet log processing status Today, so popular in the mobile Internet, every day will produce a lot of Internet log, these Internet log due to the huge amount of data generated Can only be retained for 3 days, because of storage space and other reasons are discarded. At present, telecom operators may only have a lot of useful information on customer behavior missing from the analysis of customer behavior mainly based on CDRs (call logs). For example, two people with similar phone conversations may be completely different types of customers ...