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Physical Records
These are the records that are stored in the secondary storage devices. For the database relation, physical records are the group of fields kept in adjacent memory locations and retrieved mutually as a unit. Considering the page memory system, data page is the quantity of data read or written in single I/O operation to and from secondary storage device to the memory and vice-versa. In this context we describe a term blocking factor that is explained as the number of physical records per page.
Determine the Persistent object Persistent object can be stored in one of the following: Files Cheap, permanent, simple storage Low level (Write, Read) Ap
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Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the
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While sorting, if the main storage available is not enough, the system writes data to an external help file. The SAP profile parameter, which determines DIR_SORTTMP
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