Database Schema Tool

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Using hive to build a database to prepare for the big data age

Storing them is a good choice when you need to work with a lot of data. An incredible discovery or future prediction will not come from unused data. Big data is a complex monster. Writing complex MapReduce programs in the Java programming language takes a lot of time, good resources and expertise, which is what most businesses don't have.   This is why building a database with tools such as Hive on Hadoop can be a powerful solution. Peter J Jamack is a ...

Backup MySQL database with mysqldump

In real life, backing up the database regularly is a very important thing.   When we use MySQL, there is a lot of choice in database backup, and this article will show readers how to use MySQL's mysqldump to back up the database. First, the importance of data backup work, if the accidental deletion of important files or directories, then the result will be miserable. Especially when the data that is accidentally deleted involves important customers or key projects, and the data can't be recreated easily, it doesn't have to be what I say you can imagine. Unfortunately ...

ORA2PG 8.7 Publishing Database Migration Tool

ORA2PG 8.7 This version adds multithreading and speed to lob export. Fixed and improved some major errors. ORA2PG can be used to convert an Oracle database into a PostgreSQL tool. A Perl module exports an Oracle database schema to a PostgreSQL-compliant schema. It connects the Oracle database, extracts its structure, and generates a SQL script that you can load into your PostgreSQL database. Process or dump an Oracle online ...

Alipay supports the technical realization of the peak of database request for double eleven 42 million times / sec

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.

Oracle's high-profile Promotion of database service

Oracle claims that its new 12c database is faster and stronger than other databases, and that the new database will be able to serve multiple databases of different sizes and ranges based on the needs of specific users. Senior vice president of database server technology Andy Mendelssohn says many Oracle customers are excited about 12c for some reason. "Customers tell us that they want a database, a service, an in-house deployment service," he said. "12c was launched in June and includes a widely publicized feature ...

ORA2PG 8.8 Release Oracle database transfer tool

ORA2PG is a Perl module that exports the Oracle database schema transfer to the PostgreSQL compatible schema. It connects the Oracle database, extracts the STI structure, and generates a SQL script that you can load into your PostgreSQL database, which dumps the database schema (table, view, sequence, index) of the foreign key into the PostgreSQL syntax without editing the generated code. It can be processed online or dump an Oracle file to the PostgreSQL database data, you can choose ...

Discard relational database PHP programmers should know five things about MongoDB

"51CTO exclusive feature" 2010 should be remembered, because the SQL will die in the year. This year's relational database is on the go, and this year developers find that they don't need long, laborious construction columns or tables to store data. 2010 will be the starting year for a document database. Although the momentum has been going on for years, now is the age when more and more extensive document databases appear. From cloud-based Amazon to Google, a number of open-source tools, along with the birth of Couchdb and MongoDB. So what ...

ORA2PG 8.10 Release Oracle database Transfer tool

ORA2PG is a Perl module that is used to export the Oracle database schema to the PostgreSQL compatible schema. It connects the Oracle database, extracts the STI structure, and generates a SQL script that you can load into your PostgreSQL database, which dumps the database schema (table, view, sequence, index) of the foreign key into the PostgreSQL syntax without editing the generated code. It can be processed online or dump an Oracle file to the PostgreSQL database data, you can ...

bib2html 6.6 Publishing BibTeX Database conversion tool

Bib2html a tool for converting from a BibTeX database to an HTML file. Bib2html 6.6 This version Bib2sql uses the main error in the SQL schema to be corrected. Bib2sql:the word "order" could is used as variable http://www.aliyun.com/zixun/aggregation/11696.html "...

Non-relational distributed database: HBase

HBase is a distributed, column-oriented, open source database based on Google's article "Bigtable: A Distributed Storage System for Structured Data" by Fay Chang. Just as Bigtable takes advantage of the distributed data storage provided by Google's File System, HBase provides Bigtable-like capabilities over Hadoop. HBase Implements Bigtable Papers on Columns ...

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