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Data tampering is to modify, add or delete computer network data, resulting in data destruction. The database data was attacked first to see if it was deleted or tampered with? Is there any backup data that can be restored and reinforced? This article comes from the database technical expert Zhang, mainly describes the MySQL attack tampering data, utilizes the Binlog from the library backup and the main library to carry on the incomplete recovery. The following is the author's original: First, the discovery of the problem today is 2014-09-26, development early in the morning that the database was attacked. The article in the database of an article table ...

HBase and SOLR can make requests to solr through a coprocessor coprocessor, and SOLR can synchronize the data that is received: adding, deleting, and indexing operations.     Store and index on different machines, this is a large data architecture must be, but there are many students do not know this way, they are very new to this idea, however, this is definitely a good direction, so do not know how to study. One of my friends left my blog.

Machine data may have many different formats and volumes. Weather sensors, health trackers, and even air-conditioning devices generate large amounts of data that require a large data solution. &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; However, how do you determine what data is important and how much of that information is valid, Is it worth being included in the report or will it help detect alert conditions? This article will introduce you to a large number of machine datasets ...

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 ...

Py-postgresql is a suite of Python modules that provide multiple interfaces to various parts of the PostgreSQL, that is, the PostgreSQL python drive. It provides a pure Python driver + C optimization for PostgreSQL database queries. Its features are: preparing the statement-driven interface, creating and controlling a clustered cluster tool, supporting most PostgreSQL types (composite, array, digital, datetime, etc.), replication support. Py-post ...