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Advanced Database Technology and Design phần 1 ppsx
... Intervals 16 2
5.9 Constraints Involving Intervals 17 0
5 .10 Update Operators Involving Intervals 17 4
5 .11 Database Design Considerations 17 6
5 .11 .1 Horizontal Decomposition 17 7
5 .11 .2 Vertical ... Database Technology 5
10 .9 Summary 347
References 347
Selected Bibliography 3 51
11 Secure Database Systems 353
11 .1 Introduction 353
11 .2 Access Control: Conc...
Advanced Database Technology and Design phần 2 doc
... 19 99.
[9] Lientz, B., E. B. Swanson, and G. E. Tompkins, Characteristics of Applications Soft-
ware Maintenance, Comm. ACM, Vol. 21, 19 78, pp. 4664 71.
88 Advanced Database Technology and Design
schema. ... Díaz, O., J. Iturrioz, and M. G. Piattini, Promoting Business Rules in Object-
Oriented Methods, J. Systems and Software, Vol. 41, No. 2, 19 98, pp. 10 5 11 5....
Advanced Database Technology and Design phần 3 doc
... chapter.
13 8 Advanced Database Technology and Design
Table 5 .1
The Suppliers and Parts Database (Sample Values)Current Snapshot Version
(Primary Key Attributes in All Examples Are Shown in Bold and ... Underlined)
SS#
SNAME STATUS CITY
S1 Smith 20 London
S2 Jones 10 Paris
S3 Blake 30 Paris
S4 Clark 20 London
S5 Adams 30 Athens
SP S# P#
S1 P1
S1 P2
S1 P3
S1 P4
S1 P5
S1 P6...
Advanced Database Technology and Design phần 4 potx
... interval.
16 4 Advanced Database Technology and Design
•
i1 DURING i2 is true if and only if s2 ≤ s1 and e2 ≥ e1 are both
true.
9
•
i1 STARTS i2 is true if and only if s1 = s2 and e1 ≤ e2 are ... result, T1, thus looks like this:
S# DURING
S1 [d04, d10 ]
S1 [d05, d10 ]
S1 [d09, d10 ]
S1 [d06, d10 ]
S2 [d02, d04]
S2 [d03, d03]
S2 [d08, d10 ]
S2 [d09, d10 ]
S3 [d08, d10 ]
S4...
Advanced Database Technology and Design phần 5 pptx
... involved in
232 Advanced Database Technology and Design
Conceptual
design
UML notation
Standard design
ODL
Implementation
design
OODBMS
Figure 7.3 Design process of an object-oriented database schema.
For ... the requirements that will
feed an MM-DBMS design. We emphasize the structural complexity and
254 Advanced Database Technology and Design
7.2 .1 Objects...
Advanced Database Technology and Design phần 6 ppt
... can play in complex
274 Advanced Database Technology and Design
x
y
t
A
B
C
D
F
E
R1
R2
T1*
T2*
q1
q2
T0*
(a)
C
D
A
Q
(b)
Time
F
E
A
10 13 17 20È
C
B
(c)
Figure 8.4 Spatial and temporal layout retrieval ... −90
S
2
accno name balance
10 0 Anne 2000
12 3 Bob 300
13 0 Carla −200
S
1
accno name
10 0 Anne
12 3 Bob
13 0 Carla
400 David
563 Emily
888 Fred
987 George
S
1
acc...
Advanced Database Technology and Design phần 7 pps
... clients) is much greater than the bandwidth
336 Advanced Database Technology and Design
11
Secure Database Systems
Elena Ferrari and Bhavani Thuraisingham
11 .1 Introduction
The number of computerized ... TeleWeb [9],
and Weblicator [10 ], the proxy is added to the client part of the sys-
tem. In other systems, like TranSend [11 ] and Digestor [12 ], the
330 Advanced...
Advanced Database Technology and Design phần 8 pdf
... engines.
420 Advanced Database Technology and Design
12
Component Database Systems
Andreas Geppert and Klaus R. Dittrich
12 .1 Introduction
DBMSs support individual applications and comprehensive ... able to handle nonstandard data so far kept in specialized data stores.
406 Advanced Database Technology and Design
Application
DBMS
Figure 12 .1 Nonstandard appli...
Advanced Database Technology and Design phần 9 pdf
... aims to find valid
dependencies.
472 Advanced Database Technology and Design
Author Title Editor Date
A1 T1 E1 D1
A2 T1 E1 D1
A2 T2 E2 D2
A3 T3 E2 D3
Figure 13 .14 Learning from examples.
This Page ... and modifying existing software [10 ]. The goal of reverse
engineering is to understand how software operates. This is done by
450 Advanced Database Technology and Design...
Advanced Database Technology and Design phần 10 doc
... comparison, 19 293
graphical notation, 220 21
implementation schema design, 24246
industry standard, 19 2
inheritance, 19 2, 219 20
introduction to, 211 12
joins, 211
methods, 217 18
objects, 213 , 214 16
OIDs, ... 19 2, 19 3, 214 16
origins, 19 2
RID, 215 16
schema example, 2 21
standard schema design, 23342
subtyping, 219
summary, 24647
technology, 22530, 247
uses,...
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