sql and etl technologies

... document size and shapeand XPath structure and length, and finally outline our current proto-type of a Quality-of-Service-based SDI-system implementation based on a real-time operating system and an ... information producer and information subscriber On the one hand,XML documents are generated by a huge number and heterogeneous set of pub-lishing components (publisher) and given to a (at least ... access pastand future states Constructs that extract and compare times are also proposed.Finally, in [14] the XPath data model and query language is extended to includevalid time, and XPath is

Ngày tải lên: 14/12/2013, 15:16

... already explained by the relationships between Project and Dept, and between Dept and Employee in Figure 2. The only arc from n 1 to n 2 and there is no loop between the two nodes represents a ... http://www.w3.org/TR/xmlschema-0/ 7 M Fernandez, W Tan, and D Suciu SilkRoute: Trading between relations and xml In Proceedings of WWW, pages 723–725, 2000 8 D Lee, M Mani, F Chiu, and W Chu Nesting-based ... R 1 , ···,R k , respectively, and the foreign key denoted by the label of at least one such outcoming arcs is defined as NOT-NULL and there is no loop between n 0 and any of n 1 , ···,n k , then

Ngày tải lên: 21/01/2014, 08:20

... C[HANGE], and so on and say they will be discussed in detail as you proceed in the same lesson SQL and SQL*Plus Interaction • Commands do not allow manipulation of values in the database SQL buffer SQL*Plus ... work • Commands do not allow manipulation of values in the database SQL buffer SQL*Plus commands SQL*Plus buffer Logging In to SQL*Plus • From Windows environment: • From command line: sqlplus ... the capabilities that SQL lacks and how PL/SQL serves as an extension to SQL The objective of this slide is to highlight that PL/SQL combines the data manipulating power of SQL with the data processing

Ngày tải lên: 24/01/2014, 10:20

... notstandardized, so builders and architects were forced to rely on an extrinsic understanding of their properties and mance In essence, knowledge of materials was gainedthrough experience and ... however, technologies have verylong lifetimes, and many factors other than science determinetheir use and longevity There is no mechanism by which newadvances can be explored and tested, and the ... integrated technologicalsystems that are the standard in buildings How can architects and designers begin to explore andexploit these developing technologies and materials, with therecognition that

Ngày tải lên: 13/02/2014, 23:20

... 1980s and most current systems are designed similarly to the early Gamma [10] and Grace [12] parallel DBMS research projects These systems all support standard relational tables and SQL, and implement ... both SQL and non-SQL interface languages are desirable AVAILABLE APPROACHES In this section, we give an overview of the parallel database and MapReduce approaches to performing data analysis, and ... data sets, Grep and UserVisits in Fig 3 and Fig 4 While grep data is randomly generated and re-quires no preprocessing, UserVisits needs to be repartitioned by destinationURL and indexed by visitDate

Ngày tải lên: 19/02/2014, 12:20

... processing technologies; and health and safety.The report has identified research areas for new technolo-gies that would address exploration, mining and processingand associated health and safety, and ... technologies relevant to health and safetyand to the environment, respectively (Tasks 5 and 6) Health,safety, and environmental risks and benefits of individualtechnologies are also interwoven ... geophysical and geochemical technologies developed by both industry and government Further research in geologi-cal sciences, geophysigeologi-cal and geochemigeologi-cal methods, and drilling technologies

Ngày tải lên: 05/03/2014, 12:20

... Pavel, Liel, and Alexandra for discussions and qualifications and for letting me learn from their work Our doctoral program is one of the most supportive and creative I can imagine and I have been ... "storage and transmission monopoly" that is currently happening in the realm of cinema as more and more communication and culture can be stored and transmitted through audiovisual technologies And ... 3All Rights Reserved Trang 4Cinema 3.0: How Digital and Computer Technologies are Changing Cinema Kristen M Daly Digital and computer technologies and the networks of Web 2.0 are changing cinema

Ngày tải lên: 07/03/2014, 15:20

... Science and Technology Committee’s report into HumanReproductive Technologies and the Law, and the Government’s response to this; • the Department of Health’s review of the Human Fertilisation and ... and policy in the United Kingdom Conclusions and recommendations 16. The text below indicates the main conclusions and recommendations from our deliberations Prenatal and neonatal screening and ... and debate about genetic technologies and reproductive decision making. 42. New technologies may be developed through collaboration between UK and non-UK fertility clinics and this may also lead

Ngày tải lên: 14/03/2014, 14:20

... understanding of computer hardware and the terminology associated withtechnology, telecommunications, and networking; and • An understanding of the range, source and uses of quality instructional technologiesrelated ... video, and audio technologies Audio and video communications are rapidly becoming digital in form, which gives the computer a new and expanded role as a controller and manipulator of audio and video ... information and communication technologies differentially andunevenly affect societies and economies across the globe Although much attention hasbeen given to ICT in schools in Europe, North America and

Ngày tải lên: 15/03/2014, 02:20

... of Air and Radiation October 2010 AVAILABLE AND EMERGING TECHNOLOGIES FOR REDUCING GREENHOUSE GAS EMISSIONS FROM THE PULP AND PAPER MANUFACTURING INDUSTRY Trang 2Available and Emerging Technologies ... development and screening tools; technical assistance and training; information regarding issues related to permitting, utilities, and siting; and case studies The configuration, economics, and performance ... methane (CH4), and nitrous oxide (N2O), and the control technologies and measures presented here focus on these pollutants While a large number of available technologies are discussed here, this

Ngày tải lên: 18/03/2014, 02:20

... mainstream policy makers tanderstand gender issues fully, and to create policy and implementation strategies that acknowledge ard assurelly engage women’s and men's unique needs and contributions is ... being in 4 new sector attracting young and entreprencasial women) and levelop polices to attract young women and adolescents to science and technology ‘careers and on-the-job training Research has ... presents how and why ICTs impact women and men differently and the implications of women’s lack of engagement, participation, and leadership in the knowledge society through ICTs for business and development

Ngày tải lên: 23/03/2014, 23:20

... the fields of Future Internet technologies, mobile and wireless broadband systems, optical networks, and network management technologies • Contributions to standards and regulation as well as the ... needs and advancing cloud architectures and standards b) Innovative software and tools for services Innovative and self-adaptive Internet-based services using agile software technologies and ... supply and on the demand side Challenge 8: ICT for learning and access to cultural resources Challenge 8 will develop technologies and methodologies that enable people to learn more effectively and

Ngày tải lên: 29/03/2014, 19:20

... environments (Slonje and Smith 2008) Other studies show connections between online and offline bully perpetration (Raskauskas and Stoltz 2007) and online and offline bully victimization (Beran and Li 2007; ... al 2006) and online harassment (Hinduja and Patchin 2009; McQuade and Sampat 2008; Smith et al 2008) There is also often an overlap between cyberbullying offenders and victims (Beran and Li 2007; ... aggressive incidents and 74% of distressing incidents (Wolak et al 2006: 15) Gennaro and Dutton 2007; Liau et al 2005; Livingstone and Bober 2004; Livingstone and Haddon 2008), with New Zealand showing

Ngày tải lên: 02/06/2014, 09:45

... S1(t), and intensity of each subband, S2(i, t), are defined as S1(t) = F N  f =1 X t, f , S2(i, t) = FH(i) f = F L(i) X t, f spectrogram andF L(i) and F H(i) are the indices of lower and upper ... harmonic and inharmonic sounds in this section The input and output of our method are described as follows: input power spectrogram of a musical piece and its musical score (standard MIDI file); standard ... Source Separation and Remixing Technologies Katsutoshi Itoyama,1Masataka Goto,2Kazunori Komatani,1Tetsuya Ogata,1 and Hiroshi G Okuno1 1 Department of Intelligence Science and Technology, Graduate

Ngày tải lên: 21/06/2014, 07:20

... Recent Optical and Photonic Technologies, Edited by Ki Young Kim p cm ISBN 978-953-7619-71-8 Trang 5Preface Research and development in modern optical and photonic technologies have ... and methods, and various application examples are considered This book concerns itself with recent and advanced research results and comprehensive reviews on optical and photonic technologies ... improve further their own research and technologies and to expand potential applications I would like to express my sincere gratitude to all the authors for their outstanding contributions to this

Ngày tải lên: 21/06/2014, 14:20

... results in low dispersion of the CROW band (b) (a) (b) Fig 14 Spatial distribution of the wave-guidingmode, |H z|2, for the fast- and the bands denoted as (a) and (b) in Fig 13a Trang 7slow-Our ... P., and Gehring, G A (2003) “Defect states and commensurability in dual-period AlxGa1-xAs photonic crystal waveguides,” Phys Rev B 68, 033303 Chutinan, A., and Noda, S (2000) “Waveguides and ... “Energy levels and wave functions of Bloch electrons in rational and irrational magnetic fields,” Phys Rev B 14, 2239 Jacobsen, R S., Andersen, K N., Borel, P I., Fage-Pedersen, J., Frandsen, L H.,

Ngày tải lên: 21/06/2014, 14:20

... direct band gap and the promising potential for the optoelectronic devices, such as light emitting diodes (LEDs) and laser diodes (LDs) LEDs have the advantages of small size, conserve energy, and ... Chun-Feng Lai1, Chia-Hsin Chao2, and Hao-Chung Kuo1 1Department of Photonics and Institute of Electro-Optical Engineering, Nation Chiao-Tung University 2Electronics and Opto-Electronics Research ... Nottingham, England, p TuB3 Mock, A & O’Brien, J D (2009a) Photonic crystal laser threshold analysis using 3-d fdtd with a material gainmodel, Integrated Photonics and Nanophotonics Research and Applications

Ngày tải lên: 21/06/2014, 14:20

... photons in the photonic band, not the wavelength of the exposure laser The band structure shows that a photonic full bandgap exists between the 2nd and 3rd bands with a bandgap size of 8.7 % of ... Fig 6 The relative bandgap size is measured from the bandgap diagram as shown in Fig 5 (right) and defined by the ratio of central frequency and the frequency range of the bandgap From Trang 3Holographic ... where Δz≤0.03c, the width of the bandgap reduces rapidly and eventually vanishes A maximum bandgap of 17% was achieved at a shift Δz=0.25c Fig 6 Photonic bandgap as function of the phase mask

Ngày tải lên: 21/06/2014, 14:20

... idler wave, and pump beam, respectively, ω 0 is the resonance frequency of the lowest A1-mode, and S 0 is the oscillator strength The nonlinear coefficients d E and d Q represent second- and third-order ... al., 1997) and its transparency over a wide wavelength range (0.4 – 5.5 μm) LiNbO3 has four infrared- and Raman-active transverse optical (TO) phonon modes, called A1-symmetry modes, and the lowest ... broadband source (TPG) than to a nawwor linewidth source (TPO or is-TPG), such as tomographic imaging, interferometric spectroscopy, and diffuse reflection spectroscopy Tomographic imaging and

Ngày tải lên: 21/06/2014, 14:20

... index, and a huge nonlinear coefficient, GaAs has in fact highly mature growth and fabrication technologies, and offers attracting possibilities in terms of optoelectronic integration and electrical ... are poorly tunable and only operate at cryogenic temperatures An alternative and interesting approach for the generation and amplification of new frequencies, both pulsed and CW, is based on ... average powers of 250 and 750 mW for pump and idler), the THz output was centered near 2 THz and had 1 μW of average power (Vodopyanov & Avetisyan, 2008) In the same year, Marandi et al proposed

Ngày tải lên: 21/06/2014, 14:20