See also Indexing of Chinese charactersAnother form of collation is radical-and-stroke sorting, used for non-alphabetic writing systems such as the hanzi of Chinese and the kanji of Japanese, whose th ...
The principle behind alphabetical ordering can still be applied in languages that do not strictly speaking use an alphabet – for example, they may be written using a syllabary or abugida – provided ...
Alphabetic order as an ordering device has been already used in the 1st millennium BCE by Northwest Semitic scribes using the Abjad system. The first effective use of alphabetical order as a catalogiz ...
A given database management system may offer one or more mechanisms for returning the plan for a given query. Some packages feature tools which will generate a graphical representation of a query plan ...
There is a trade-off between the amount of time spent figuring out the best query plan and the quality of the choice; the optimizer may not choose the best answer on its own. Different qualities of da ...
In the field of databases in computer science, a transaction log (also transaction journal, database log, binary log or audit trail) is a history of actions executed by a database management system to ...
It is frequently useful or required to manipulate the data being backed up to optimize the backup process. These manipulations can provide many benefits including improved backup speed, restore speed, ...
Any backup strategy starts with a concept of a data repository. The backup data needs to be stored, and probably should be organized to a degree. The organisation could be as simple as a sheet of pape ...
There is a difference between a user interface and an operator interface or a human–machine interface.The term "user interface" is often used in the context of (personal) computer systems and electro ...
A DBMS has evolved into a complex software system and its development typically requires thousands of person-years of development effort. Some general-purpose DBMSs such as Adabas, Oracle and DB2 have ...
RAID levels and configuration, block and stripe size allocation, and the configuration of disks, controller cards, storage cabinets, and external storage systems such as SANs. Transaction logs and tem ...
TCO, when incorporated in any financial benefit analysis, provides a cost basis for determining the total economic value of an investment. Examples include: return on investment, internal rate of retu ...
Data is stored on various media in files or databases, and is generated and consumed by software applications which in turn support business processes. The need to transfer and convert data can be dri ...
Similarly, it may be necessary to move from one database vendor to another, or to upgrade the version of database software being used. The latter case is less likely to require a physical data migrati ...
As an ACID Guarantee Consistency is one of the four guarantees that define ACID transactions; however, significant ambiguity exists about the nature of this guarantee. It is defined variously as:The g ...
