How big can a table MySQL?

Starting with version 3.23, MySQL has a maximum table size of 8 terabytes. Note, however, that the operating system (hereinafter OS) has its own limits on the file size. Since the table is stored in a file, its size can not exceed the file size allowed in the operating system. This means that the size of the table for MySQL is usually limited by the operating system and not the packet.

8_TB

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How stable is MySQL?

When MySQL was released for general use, the authors noted that there were some parts of the untrusted code, which were quickly found new user making the request by other means than the authors. Each new release of the package had fewer problems than the previous one (even though each has gained a lot of new features)

Each Member release of MySQL was fit for use, and the problem only occurs when the user move the code from the “gray zones”, which was not yet polished. Although there are still some minor problems with the implementation of a number of properties, the overall package meets the highest requirements for reliability.

stability

What works MySQL?

Under what operating systems available as MySQL? Almost at all! To date, this packet is successfully compiled and available on the website of the developer in the form of files, ready for immediate installation systems (unless something other distributions packaged format Tar + Gzip, specific to all Unix-based systems)

 

  • IBM AIX 4.x;
  • Amiga;
  • Tru64 Unix;
  • BSDI 2.x;
  • BSDI 3.0, 3.1 и 4.x;
  • DEC Alpha Unix 4.x (Tru64);
  • FreeBSD 2.x;
  • FreeBSD 3.x и 4.x;
  • HP-UX 10.20;
  • HP-UX 11.x;

 

  • Linux 2.0
  • Mac OS X Server
  • NetBSD 1.3/1.4 Intel и NetBSD 1.3 Alpha
  • OpenBSD 2.5+;
  • OS/2 Warp 3, FixPack 29 и OS/2 Warp 4, FixPack 4;
  • SGI Irix 6.x;
  • Solaris 2.5
  • SunOS 4.x;
  • SCO OpenServer
  • SCO UnixWare 7.0.1;
  • Win95, Win98, WinNT, Win2000 и WinXP
  • As you can see, the list is impressive. There are also versions for Novell NetWare and BeOS, but the official site, they are not supported. There are also unconfirmed rumors of transferring MySQL OS QNX, but we do not have accurate data on the subject (at least not on the official website or in conferences not write anything precise)
  • It should be noted that not all systems are equally good for the organization server. MySQL is a server package, and the requirements it imposed corresponding to the OS. Despite the best efforts of Microsoft, Windows and so far failed to take a number of reasons (mainly mismanagement of hardware resources and low reliability) a significant position in the market for server OS, it’s now more client system.

unix

 

 

MySQL – database

What is a “database” in general and MySQL in particular

Under database (BD) refers to the storage and processing of data to access that uses language SQL (Structured Query Language). There are many different database management systems (DBMS), but in terms of hosting is usually used DBMS MySQL. The reasons for this are the actual focus of this database on web hosting tasks, availability on all popular server operating systems, as well as ease of setup and administration.

Choosing between different database, be aware that if your web design is not very load on it and the complexity of the decisions, and you, as a programmer and administrator, do not have the skills and experience in working with different DBMS MySQL alternatives for you in this case not very much, and certainly worth the stop choice on MySQL.

 

background-attachment

Background-attachment property determines whether the background image scrolls with the content item. Images can be recorded and remain stationary or move together with the document. In CSS3, you can specify multiple values ​​for a range of background images, listing values ​​separated by commas.