storage and file structure in dbms ppt

... chuyển mẩu tin 6 đến không gian chị chiếm bởi mẩu tin 5, rồi di chuyển mẩu tin 7 đến chỗ bị chiếm bởi mẩu tin 6. 2. Di chuyển mẩu tin 7 đến chỗ bị chiếm bởi mẩu tin 5 3. Đánh dấu xoá mẩu tin 5. ... 1. Định vị mẩu tin trong file mà nó đi trước mẩu tin được xen theo thứ tự khoá tìm kiếm. 2. Nếu có mẩu tin tự do (không gian của mẩu tin bị xoá) trong cùng khối, xen mẩu tin vào khối này. ... kế CSDL về tần xuất vấn tin và sửa đổi. FILE CHỈ MỤC B + -CÂY (B + -Tree Index file) Tổ chức file chỉ mục tuần tự có một nhược điếm chính là làm giảm hiệu năng khi file lớn lên. Để khắc phục...

Ngày tải lên: 15/09/2012, 09:38

... provide a rationale for the discriminating behaviour of Mt-GluRS in E. coli. Studies on Tt-GluRS indicated that discriminating and nondiscriminating GluRS can be distinguished on the basis of the ... in the 20 lL aliquot (in nmol). Steady-state kinetic analyses and inhibition studies The apparent k cat and K M values of Mt-GluRS for tRNA Glu , ATP and l-Glu were determined in the tRNA aminoacyla- tion ... analogs tested, to A. Mattevi and M. Nardini for carrying out crystallization trials, to G. Tedeschi and A. Negri for performing MALDI-TOF analyses and N-terminal sequencing, and to G. Deho ` for helpful...

Ngày tải lên: 07/03/2014, 03:20

... their own skills and experiences both of the industry in China and internationally. Human resources issues facing the hotel and travel industry in China Hanquin Qui Zhang and Ellen Wu International ... managers and the expectations gap between education and industry. Second, China’s travel agency sector is facing Human resources issues facing the hotel and travel industry in China Hanquin Qui ... enter the industry, and the gap between what is taught in school and college and the realities of the industry itself. The aim here is to explore these issues by interviewing industry executives and academics...

Ngày tải lên: 12/12/2013, 04:15

... Services (YFS) and institutional capacity building (Pathfinder International); policy and advocacy, and coordination and dissemination (UNFPA); and behavior change communication and life and livelihood ... Kasulu, and Kibondo and the municipalities of Arusha, and Ilala, Temeke and Kinondoni in Dar es Salaam. In addition, the project was implemented in the Urban West region and Pemba Island, in Zanzibar. ... to the Ministry of Health in the mainland and Zanzibar, and covered other YFS-related expenses. AYA also supported the strengthening of provider supervision through training and the introduction...

Ngày tải lên: 13/02/2014, 16:20

... ways in which XML is, and is going to be, used on the Internet, both for casual uses like browsing and for industrial uses such as data interchange between business partners. The impacts of internationalization ... that we think is vital: how to locate information in documents that are marked up using XML and how to find and extract that information in repositories of such documents. It is certainly important ... can't be machine-processed. This Page Intentionally Left Blank x Contents Part III Managing and Storing XML for Querying 151 Chapter 7 Managing XML: Transforming and Connecting 153 7.1 7.2...

Ngày tải lên: 14/02/2014, 18:20

... picbName 51W WINDOWS Point pnt pntName 52W WINDOWS PrintController prtc prtcName 53W WINDOWS PrintDocument prtd prtdName 54W WINDOWS PrinterSettings prts prtsName 55W WINDOWS Process pcs pcsName 56W WINDOWS ... on new line • Place “catch” on new line • Place “finally” on new line Spacing • Method declarations • Insert space between method name and its opening parenthesis • Insert space within argument ... complex or unintuitive. Second, by using a standard, an organization can design and develop with uniformity. Conforming to a uniform way of designing and coding applica- tions minimizes risks and problems...

Ngày tải lên: 05/03/2014, 21:20

... research interests are in pattern analysis and machine intelligence. He is working on problems related to information management using information filtering and text mining approaches and structural ... analysis, and joint learning using data and text mining. We have compiled a list of interesting and exciting chapters from major researchers, research groups, and centers in medical informatics, ... images, 3D medical informatics, and infectious disease informatics. Unit I11 presents emerging biomedical text mining and data mining research including: semantic parsing and analysis for patient...

Ngày tải lên: 06/03/2014, 12:20

... easy, and the kappa was 100%. We then annotated a total of 42 conversations for training and 13 for testing. Different labelers an- notated the training and test sets; none of the au- thors were involved ... LIBSVM (Chang and Lin, 2001), a support vector machine classifier trained using an RBF kernel. Table 3 presents results for 3 Precision and recall are of course 54.59% and 100%. 106 Proceedings of the ... directly and therefore referred to using a second-person pronoun, as in example (1). 1 (1) A: and um if you can get that binding point also maybe with a nice example that would be helpful for Johno and...

Ngày tải lên: 08/03/2014, 03:20

... of Grain (Wheat and Maize) for Producing Eggs and Meat in Bangladesh 27 Table A. 5—Consumption of Grain (Wheat and Maize) as Poultry Feeds in Bangladesh (2000) 29 31 scavenging poultry ... conditions, demand for poultry products is expected to increase with the increase in consumer income up to a certain time 3 . Thus, the projection of growth in demand for products requires incorporation ... 22 and 78 per cent of total grain requirements in the base year, respectively. Current production levels for wheat and maize in Bangladesh are in the range of 1800 thousand and 65 thousand...

Ngày tải lên: 08/03/2014, 09:20

... tribe either in the male line or in the female. Among the Ova-Herero, however, and other Bantu tribes, there are two kinds of organisation, one—the eanda—descending in female line and regulative ... little influence in bringing about a change in the rule of descent. Here, too, the change in the rule of descent may be put down in the main to economic causes also in a broad sense. Dumping was ... direction. In other words, where kinship is reckoned in the female line, there is no ground for supposing that it was ever hereditary in any other way. On the other hand, where kinship is reckoned in...

Ngày tải lên: 15/03/2014, 03:20

... of 2008, 1,019 monitoring stations are maintained under the National Water Monitoring Programme (NWMP), covering rivers and creeks, lakes and ponds, drains and canals, and groundwater sources. ... mandated by the NRCP had mandated cost sharing at various points in time. 29 State and local bodies have been accused of financial mismanagement, including diversion, underutilization, and ... Protection and Industries in Developing Countries: The Case of India Since Bhopal.” The Georgetown International Environmental Law Review, 3(1): 1-53. Ministry of Environment and Forests....

Ngày tải lên: 15/03/2014, 16:20

... decreased, and the amount of training data was increased, so that in the end only the 3 best experiments used all available training data (i.e. the remaining 95%). Increasing the training data ... number of settings in the pool, while at the same time exponentially increas- ing the amount of training material. The idea is that the increasing amount of time required for training is compensated ... annotation of more data using the TTS itself and on-line (active) learning. Moreover, we plan to investigate the perceptual cost of false insertions and deletions of accents and breaks in experiments with...

Ngày tải lên: 17/03/2014, 06:20

... values, difficulties in wort filtration, and less efficient separation of protein and protein-tannin elements during the hot and cold breaks. Nitrates and Nitrites Nitrate, in and of itself, is ... point of use suitability. Brewhouse Chemistry Phosphates Phosphates are important pH buffers in brewing and useful for reducing the pH in mashing and during the hop-boil Chlorides Calcium and ... sulfates and chlorides remaining in the water. Water as a process facilitator Water is used to facilitate the following activities: a) Steam generation b) CIP and rinsing of tanks and vessels c)...

Ngày tải lên: 18/03/2014, 00:20

... growth of real GDP and inflation to pick up changes in income and activity. 18 6) Monitoring and controlling deposit interest rates seems much easier than monitoring and controlling overall portfolio ... rates, thus squeezing the margins and causing failures of the internally most inefficient banks. The remaining two variables, OHER and CM, are both insignificant at lag t-3, and for the other ... agencies' ratings, market prices of bank stocks and subordinated debt, (standard) balance- sheet and income statements financial ratios, and other (non-standard) measures of bank risk and financial...

Ngày tải lên: 22/03/2014, 17:20

... establishment of the in vitro binding assay using receptor proteins, the ligand-binding affinity of ecdysteroids had been measured in tissues and cells [243,244]. The in vitro binding activity of representative ecdysteroids ... retaining the ligand-binding activity. They found two high-affinity binding sites (K d1 = 0.24 nm and K d2 = 3.9 nm). The removal of GST had no effect on PonA binding, but altered DNA binding. ... processes in insects. Finally, the possible interplay of ecdysteroids and insect JH upon the activ- ity of the ecdysteroid receptor remains an important and unresolved question in insect endocrinology. Acknowledgements We...

Ngày tải lên: 23/03/2014, 04:20

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Ngày tải lên: 29/03/2014, 14:20