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explain terminal symbolsterminal symbols are literal strings that are forming the input of a formal grammar and cannot be broken down into smaller
explain p command in the respect of qbep it is the command in which is used to print logically display the value of the attribute in
explain formal language grammara formal language grammar is a set of formation rules which explain which strings formed from the alphabet of a formal
explain i command in qbe i it is the command in qbe that is used to insert tuple s into the
explain cnt in the respects of qbe cnt it is one of the aggregation commands given in qbe it is used to identify number of
discuss in detail table management techniques an assembler employs the subsequent tablesoptab operation code table consists of
how is the database organised in oracledatabase organized within oracle in terms of table and table holds attributes and valuesa database consists of
if one requires to access data using logical database the use of events is unavoidableyes if someone wants to access data using logical database then
is it mandatory to declare all the tables in report by the key word tables for all the tables that exist in the structure of ldb and are being
though all the abap4 dictionary structures that exists in the structure of the ldb being described in database program we are explaining the
what are the advantages of logical databases it offers a simple-to-use selection screens you can change the pre-generated selection screen to
i have a problem which seems to be quite a rare one and i can safely say i know what exactly what is causing it after some process of elimination i
what is the best time to use brouter rather than router what are advantages of using brouter over
for the relations answer the following queries in sqlstreet name location city house number streetname lives name housenumberi obtain the names of
define a public key encryption system allows just the correct receiver to decode the
it is mandatory that for every table in the ldb hierarchy there should exist one get statement in the report false it is not
how file record length should be chosen file record length should be selected to match the data
consider the subsequent relations along with keys underlinedstreet name location city house number streetname lives name housenumber define the above
which is most common phase structured grammar most common phase structured grammar is context ndash
describe substring comparison in sql for the relation person name address write a sql query that retrieves the names of people whose name starts
what is a latency timelatency time is the time required through a sector to reach below readwrite
what is null give an example to described testing for null in sqlthe null sql keyword is used to represent either a missing value or a value which
define ageingageing is a method of enhancing the priority of process waiting in queue for cpu
explain swappingswapping is a method of temporarily removing inactive programs from the memory of computer
explain the exists and unique functions of sql give an example for eachexists the exists function takes one parameter that is a sql statement if any