Mysql|oracle
This is my comparison's installing and getting started with Oracle 10g, PostgreSQL 8 and MySQL 5. This is what I consider the comparison of the ' art for three categories to db:commercial vs. Academe vs. Internet Model. This is a
3.4 Replay Transaction logOnce we have created an initial base backup of our own, we can collect the Xlog created by the database. When the time comes, we can use all these xlog files and perform the recovery process we expect. This works as
Originally wanted to find the PostgreSQL database occupy Space Command found this blog, found that the provision of severalcommand is useful (but there are several senses that are sucks.) =), so he translated it over. In addition this article is 09,
2.4 Adjusting checkpoints and xlogSo far, this chapter has provided insight into how PostgreSQL writes data, in general, what Xlog is used for. Given this knowledge, we can now continue and learn what we can do to make our databases work more
1. log ConfigurationThe system log and error log of postgresql are directly output by default and are not written to files. If you want to view these logs, modify PostgreSQL. conf as follows:
Log_destination = 'stderr'Logging_collector =
Background1 million database connections, absolutely crazy, how ordinary people do this kind of thing.
Yes, what does it mean for a database to support 1 million connections? Can't I use a connection pool?
In addition to holding a game of mind,
The internal structure of the 2.5 xlogWe will use transactions throughout this book and give you a more technical insight into what is happening if you work, we have added this part of the internal working mechanism that specializes in dealing with
In this chapter, you will be presented with a new technology to become a BDR. Two-way Replication (BDR), in the world of PostgreSQL, it is definitely a rising star. In the near future, many new things will be seen, and people can expect a thriving
Tutorial on installing and using the extension module on PostgreSQL, postgresql extension module
Installation Module
Note: My runtime environments are Ubuntu 10.04 and PostgreSQL 8.4.
First, install the postgresql-contrib package and restart the
1) How can we determine that php matches the database as PostgreSQL? Suppose a php + PostgreSQL website with error echo enabled has an injection point. We are in xx. php? Id = n followed by a single quote '. Its echo will be like this: Warning:
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