Computer Science: An OverviewGeneral literature -- Introductory and Survey. |
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Page 345
... relations — one for each of the preceding topics . Thus , we might keep the original relation ( which we now call the EMPLOYEE relation ) as it was and insert the additional information in the form of the two new relations called JOB ...
... relations — one for each of the preceding topics . Thus , we might keep the original relation ( which we now call the EMPLOYEE relation ) as it was and insert the additional information in the form of the two new relations called JOB ...
Page 347
... relation or relations . First note that there will be times when we will need to select certain tuples from a relation . For example , to retrieve the information about an employee we would need to select the tuple with the appropriate ...
... relation or relations . First note that there will be times when we will need to select certain tuples from a relation . For example , to retrieve the information about an employee we would need to select the tuple with the appropriate ...
Page 348
... relations actually is . First we consider the smaller example of MULTIPLYing a rela- tion A with attributes W and X by a relation B with attributes Y and Z to obtain a relation C ( Figure 9-9 ) . Observe that the attributes of the ...
... relations actually is . First we consider the smaller example of MULTIPLYing a rela- tion A with attributes W and X by a relation B with attributes Y and Z to obtain a relation C ( Figure 9-9 ) . Observe that the attributes of the ...
Contents
Contents | 1 |
PART ONE Machine Architecture | 19 |
Data Manipulation | 61 |
Copyright | |
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abstract data type activities actually algorithm Alice application application software array ASCII assign binary bit patterns block bulk storage called Carol Chapter concept consider contains current entry Current Pointer data structures data types database declare search deleted devices diagram disk employee example execution Figure goal hash head pointer hexadecimal identified implemented input insertion sort instruction integer key field linked list loop machine language machine's memory main memory memory cells modified module move notation operating system parity bit password perform pivot entry position problem produce program counter programming languages pseudocode Questions/Exercises queue record represented request result retrieve routines search tree Section sequence sequential file solution solving sort algorithm stack statement step storage system stored string subprogram Tail pointer tape target value task technique terminal Turing machine two's complement