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define unix device driverthe unix device driver is structured into two halves called top half and bottom
differance between procedural and non procedural dmlprocedural and non procedural dml procedural dml exactly what data is require and how to obtain
define which is not a key piece of information stored in single page table entry supposing pure paging and virtual memory a reference for the
define the main reason to encrypt a file major reason to encrypt a file is secure it for
explain data abstractiondata abstraction data abstraction is a methodology in which enables us to isolate how a compound data object is utilized from
explain the term high level dmlhigh level dml a high-level or non-procedural dml permit the user to specify what data is needed without specifying
explain data sublangauges data sublanguage in relational database theory the term sublanguage first used for this purpose through e f codd in the
explain controlled redundancycontrolled redundancy the replication of data within the data warehouse for the purposes of improved data access or
define dba database administratordba a database administrator dba is a person who is responsible for the environmental aspects of a database in
what is database utilitydatabase utility is the interface among the abap4 dictionary and the underlying the sap
define what a macro definition consists of
describe parameteric end usersparametric end users might be given update access but are commonly not permitted to change the structure of
how many types of views are there there are four types of views- database view help view projection view maintenance
define the features are needed to implement top down parsing
define catalog and meta data a catalog is a compilation of records elaborating the contents of a particular collection or group of collections
what is a viewa view is a logical view on one or more tables a view on one or more tables ie the data from a view is not actually physically kept
determine the syntax of the assembler directive equ the following is syntax of the assembler directive equltsymbolgtequltaddress
determine a processing that is not a part of synthesis phase perform lc processing is not a part of synthesis
locality of reference entails that the page reference being made by a process locality of reference entails that the page reference being made by
can we delete data element which is being used by table fields no we cant delete data
can a domain assigned to a data element be changedyes we can do so by just overwriting the entry in the field
an operating system involves 3 user processes each one requiring 2 units of resource r the minimum number of units of r like no deadlocks will ever
determine a critical section is a program segment critical section is where shared resources are
explain the functions of data managerfunctions of data manager - convert operations in users queries coming directly through query processor or
describe disk manager and their workdisk manager responsible for fetching data regulated through file manager from disk storage within main memory