chapter 11 storage and file structure ppt

LƯU TRỮ VÀ CẤU TRÚC TẬP TIN (Storage and File Structure)

Ngày tải lên : 15/09/2012, 09:38

... cả các file được sắp thứ tự tuần tự trên một khoá tìm kiếm nào đó. Các file như vậy, với một chỉ mục sơ cấp trên khoá tìm kiếm này, được gọi là file tuần tự chỉ mục (index-sequential files). ... 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 nhược ... TẬP TIN trang 57 HỆ QUẢN TRỊ CƠ SỞ DỮ LIỆU CHƯƠNG III LƯU TRỮ VÀ CẤU TRÚC TẬP TIN (Storage and File Structure) MỤC ĐÍCH Chương này trình bày các vấn đề liên quan đến vấn đề lưu trữ...

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Plant physiology - Chapter 11 Respiration and Lipid Metabolism pptx

Ngày tải lên : 07/03/2014, 20:20

... (C n ) Fatty-acid-CoA synthase Isocitrate lyase Citrate synthase Malate dehydrogenase Malate synthase O 2 CO 2 nH 2 O n n n n CHO COOH Oxaloacetate Malate dehydrogenase PEP carboxykinase CYTOSOL n 2 GLYOXYSOME β-oxidation Glyoxylate cycle Lipase ATP ADP NADH NADH NAD + NADH NAD + NAD + FADH 2 FAD (B) Glyoxysomes OleosomesMitochondria FIGURE 11. 18 The conversion of fats to sugars during ger- mination in oil-storing seeds. (A) Carbon flow during fatty acid breakdown and gluconeogenesis (refer to Figures 11. 2, 11. 3, and 11. 6 for structures). ... number and chloroplast fine structure. Proc. Natl. Acad. Sci. USA 98: 2473–2478. Gunning, B. E. S., and Steer, M. W. (1996) Plant Cell Biology: Structure and Function of Plant Cells . Jones and ... catalyzed by hexokinase and phosphofructokinase (see Figure 11. 3). The phosphofructokinase reaction is one of the control points of glycolysis in both plants and animals. 226 Chapter 11 Plant Glycolysis...

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Tài liệu Chapter 11 - Configuring and Testing Your Network ppt

Ngày tải lên : 22/12/2013, 13:17

... the chosen file. 5. View the output to verify that it was not corrupted. Chapter 11 - Configuring and Testing Your Network CCNA Exploration 4.0CCNA Exploration 4.0 Manage configuration file • Trace ... startup-config command at the Use a text file to backup and restore config settings Học viện mạng Bách khoa - Website: www.bkacad.com running-config or show startup-config command at the privileged ... www.bkacad.com Configuration files • Contain the Cisco IOS software commands used to customize the functionality of a Cisco device. • Commands are parsed (translated and executed) by the Cisco...

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Tài liệu Dive Into Python-Chapter 5. Objects and Object-Orientation ppt

Ngày tải lên : 14/12/2013, 14:15

... Setting an MP3FileInfo's name >>> import fileinfo >>> mp 3file = fileinfo.MP3FileInfo() >>> mp 3file {'name':None} >>> mp 3file[ "name"] ... os.listdir(directory)] fileList = [os.path.join(directory, f) for f in fileList if os.path.splitext(f)[1] in fileExtList] def getFileInfoClass(filename, module=sys.modules[FileInfo.__module__]): ... Example 5 .11. Inheriting Directly from Built-In Datatype dict class FileInfo(dict): "store file metadata" def __init__(self, filename=None): self["name"] = filename...

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Tài liệu Linux Device Drivers-Chapter 2 : Building and Running Modules pptx

Ngày tải lên : 24/12/2013, 01:17

... part is understanding your device and how to maximize performance. We'll go deeper into modularization throughout this chapter and leave device-specific issues to later chapters. Kernel ... version and platform dependencies is slightly more complicated than shown here, the previous description and the set of makefiles we provide is enough to get things going. The set of makefiles and ... the calling process and is able to access data in the process's address space. Code that handles interrupts, on the other hand, is asynchronous with respect to processes and is not related...

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Tài liệu Text Editing and File Management ppt

Ngày tải lên : 18/01/2014, 05:20

... rename a file. The more conventional way to rename a file is to select the file by clicking on it once. Then, with the file “testfile.txt” selected, go to the File menu of Windows Explorer and select ... select Rename. This will outline the filename with a box and highlight the name of the file. Now type a new file name for the file, such as “newname.txt”. After the file is renamed, press the enter ... Accessories > and then click Notepad. Step 2 Once Notepad is open and on the desktop, type any a message within the editing area. Type just a few sentences and then click on the File menu and select...

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Tài liệu Independent Component Analysis - Chapter 18: Methods using Time Structure ppt

Ngày tải lên : 20/01/2014, 11:20

... in many cases the data has no time structure at all, i.e., is a random variable, and not a time signal. This means that the order of the samples is arbitrary and has no signiﬁcance. In that case, ... basic ICA and methods using time structure was proposed by Pajunen [342, 343], based on the information-theoretic concept of Kolmogoroff complexity. As has been argued in Chapters 8 and 10, ICA ... the structure of its marginal distribution only. On the other hand, in this section we have been dealing with time signals that have different kinds of time structure, like autocorrelations and...

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Tài liệu Linux Device Drivers-Chapter 11 : kmod and Advanced docx

Ngày tải lên : 21/01/2014, 07:20

... modprobe -r run. pre-install module command post-install module command pre-remove module command post-remove module command The first two specify a command to be run either before or after ... Both the return value from request_module and the /proc/modules file (described in "Initialization and Shutdown" in Chapter 2, "Building and Running Modules") show that the ... header files and building the checksums is performed by genksyms, a tool released with the modutils package. This program receives the output of the C preprocessor on its own standard input and...

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Tài liệu Dive Into Python-Chapter 6. Exceptions and File Handling doc

Ngày tải lên : 26/01/2014, 08:20

... user. Getting a password is Chapter 6. Exceptions and File Handling In this chapter, you will dive into exceptions, file objects, for loops, and the os and sys modules. If you've ... program to handle other types of files simply by defining an appropriately-named class: HTMLFileInfo for HTML files, DOCFileInfo for Word .doc files, and so forth. listDirectory will handle them ... from fileinfo import MP3FileInfo >>> MP3FileInfo.__module__ 1 'fileinfo' >>> sys.modules[MP3FileInfo.__module__] 2 <module 'fileinfo' from 'fileinfo.pyc'>...

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Báo cáo khoa học: Casein phosphopeptide promotion of calcium uptake in HT-29 cells ) relationship between biological activity and supramolecular structure ppt

Ngày tải lên : 16/03/2014, 05:20

... Vesicles and Microemulsions (Degiorgio V & Corti M, eds), pp. 122–151. North- Holland, Amsterdam. C. Gravaghi et al. CPP activity and supramolecular structure FEBS Journal 274 (2007) 4999–5 011 ... (2002) Casein structure, self-assembly and gelation. Curr Opin Colloid Interface Sci 7, 456–461. C. Gravaghi et al. CPP activity and supramolecular structure FEBS Journal 274 (2007) 4999–5 011 ª 2007 ... galactose- containing medium, and their differentiation was assessed by determining speciﬁc biochemical markers [alkaline phosphatase (ALP) and sucrase-isomaltase] and the rate of proliferation, and by electron-micro- scopic...

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Chapter 7 Constructors and Other Tools pptx

Ngày tải lên : 19/03/2014, 01:20

... Introduction ♦ Recall: arrays are fixed size ♦ Vectors: "arrays that grow and shrink" ♦ During program execution ♦ Formed from Standard Template Library (STL) ♦ Using template class Copyright © ... called then ♦ Can call via object’s name; standard member function call ♦ Convenient method of setting member variables ♦ Method quite different from standard member function call Copyright © ... 7-29 Inline Functions ♦ For non-member functions: ♦ Use keyword inline in function declaration and function heading ♦ For class member functions: ♦ Place implementation (code) for function IN class...

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Báo cáo khoa học: An asymmetric ion channel derived from gramicidin A Synthesis, function and NMR structure ppt

Ngày tải lên : 30/03/2014, 15:20

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Tài liệu An Introduction to Intelligent and Autonomous Control-Chapter 11: Learning Control: Methods, Needs and Architectures pptx

Ngày tải lên : 14/12/2013, 12:15

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Tài liệu Chapter 2: Indicators of Financial Structure, Development, and Soundness ppt

Ngày tải lên : 17/12/2013, 05:15

... foreign exchange, and capital markets (including Chapter 2 Indicators of Financial Structure, Development, and Soundness 19 Chapter 2: Indicators of Financial Structure, Development, and Soundness 1 I H G F E D C B A 12 11 10 9 8 7 6 5 4 3 2 In ... institutions and their asset positions, and (b) the number of and growth rates of 15 2 This chapter presents an overview of quantitative indicators of financial structure, development, and soundness. ... regulation and accounting standards often have provided incentives for developing new ways to manage risks (e.g., asset and liability management for insurance company and pension funds) and have...

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Tài liệu Chapter 4: Assessing Financial Structure and Financial Development ppt

Ngày tải lên : 17/12/2013, 05:15

... described in chapters 9, 10, and 11 of this handbook, and they provide information on the quality of the infrastructure elements, which are discussed below. 4.3.1 Legal Infrastructure The ... prioritized and synthesized. 79 Chapter 4: Assessing Financial Structure and Financial Development 1 I H G F E D C B A 12 11 10 9 8 7 6 5 4 3 2 is a multi-dimensional concept in itself. That structure ... often more 91 Chapter 4: Assessing Financial Structure and Financial Development 1 I H G F E D C B A 12 11 10 9 8 7 6 5 4 3 2 tor, savings and payment services are often in greater demand in this...

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Tài liệu LUYỆN ĐỌC TIẾNG ANH QUA TÁC PHẨM VĂN HỌC-Pride and Prejudice -Jane Austen -Chapter 11 pptx

Ngày tải lên : 26/01/2014, 14:20

... subject. Mr. Darcy may hug himself.’ Pride and Prejudice Jane Austen Chapter 11 When the ladies removed after dinner, Elizabeth ran up to her sister, and seeing her well guarded from cold, ... not one of THEM. I hope I never ridicule what is wise and good. Follies and nonsense, whims and inconsistencies, DO divert me, I own, and I laugh at them whenever I can. But these, I suppose, ... not even the best education can overcome.’ And YOUR defect is to hate everybody.’ And yours,’ he replied with a smile, ‘is willfully to misunderstand them.’ ‘Do let us have a little music,’...

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Routing Protocols and Concepts: Chapter 11 ppt

Ngày tải lên : 09/03/2014, 13:20

... area 0 Reference bandwidth unit is 100 mbps Routing Information Sources: Gateway Distance Last Update 10.2.2.2 110 11: 29:29 10.3.3.3 110 11: 29:29 Distance: (default is 110 ) OSPF Process ... used in the DR and BDR process. (later) OSPF Router ID Router ID? Router ID? Router ID? Basic OSPF Configuration  Lab Topology  The router ospf command  The network command  OSPF Router ... 255.255.255.252  The current configurations do not include the interface bandwidth command.  This means that the bandwidth value on the serial interfaces is set to the default value of 1544...

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Luận án kinh tế - "Human and action" - Chapter 11 ppt

Ngày tải lên : 02/07/2014, 13:20

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Cost Accounting Traditions And Innovations - Chapter 11 ppt

Ngày tải lên : 02/07/2014, 22:21

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Commodity Trading Advisors: Risk, Performance Analysis, and Selection Chapter 11 ppt

Ngày tải lên : 03/07/2014, 23:20

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