... examples of these types of relationships in the top slide. Answer: 1:1 Husband and wife; taxi and driver; machine and operator; ship and dock. M:1 Orders and items; auto and occupants; plane and ... information, see Develop Complex Data Models and Design Databases course description. Overview of Data Modeling and Database Design 8Ć9 Database Design Designing a relational database system involves ... enforce data integrity. Overview of Data Modeling and Database Design 8Ć3 Objectives Before you build your tables, you design your database. In this lesson, you examine the data modeling process and...
Ngày tải lên: 10/12/2013, 17:15
... Overview of Data Modeling and Database Design 8 Overview of Data Modeling and Database Design 8Ć5 Overview When you create a database, you need to carefully consider ... challenges through good database design, you improve the performance of your database. Introduction to Oracle: SQL and PL/SQL Using Procedure Builder8Ć34 Overview of Data Modeling and Database Design ... time required for SQL command parsing. D You should develop your own naming conventions and standards. Overview of Data Modeling and Database Design 8Ć35 Designing the Database continued Map the...
Ngày tải lên: 21/12/2013, 06:17
Tài liệu DATA STRUCTURES AND ALGORITHMS USING C# pdf
... 20:59 Preface The study of data structures and algorithms is critical to the development of the professional programmer. There are many, many books written on data structures and algorithms, but these ... practical overview of the data struc- tures and algorithms all serious computer programmers need to know and understand. Given this, there is no formal analysis of the data structures and algorithms ... demonstrating the utility of the data structure immediately. With this background, the student can then go back and learn the fundamentals of the data structure (or algorithm) and even build their...
Ngày tải lên: 22/12/2013, 10:16
Data Structures and Algorithms - Chapter 3 -STACK ppt
... isEmpty 23 Push Algorithm (cont.) <ErrorCode> Push (val DataIn <DataType>) Pushes new data into the stack. Pre DataIn contains data to be pushed. Post If stack is not full, DataIn has ... end Pop Other operations of Stack are similar … 9 Stack ADT DEFINITION: A Stack of elements of type T is a finite sequence of elements of T, in which all insertions and deletions are restricted ... number of elements in the stack. Variants of similar methods: ErrorCode Pop (ref DataOut <DataType>) … 8 Chapter 3 - STACK Definition of Stack Specifications for Stack Implementations of...
Ngày tải lên: 06/03/2014, 17:20
Data Structures and Algorithms - Chapter 9: Hashing pot
... 2008 Cao Hoang Tru CSE Faculty - HCMUT Pseudorandom Pseudorandom Number Generator Key Random Number Modulo Division Address y = ax + c For maximum efficiency, a and c should be prime numbers 40 01 December ... Addressing • Hash and probe function: hp: U × ×× × {0, …, m − −− − 1} → →→ → {0, …, m − 1} set of keys addressesprobe numbers 〈 〈〈 〈hp(k,0), hp(k,1), …, hp(k,m-1)〉 〉〉 〉 is a permutation of 〈 〈〈 〈0, ... HCMUT Collision Resolution • A rule of thumb: a hashed list should not be allowed to become more than 75% full. Load factor: α = (k/n) x 100 n = list size k = number of filled elements 8 01 December...
Ngày tải lên: 06/03/2014, 17:20
Data Structures and Algorithms – C++ Implementation ppt
... 21Faculty of Computer Science and Engineering – HCMUT 0 count head After list list.count = 0 Data Structures and Algorithms – C++ Implementation Ho Chi Minh City University of Technology Faculty of ... 50Faculty of Computer Science and Engineering – HCMUT a b c head a b Result: Insert Node Algorithm Algorithm insertNode (ref list <metadata>, val pPre <node pointer>, val dataIn <dataType>) Inserts ... an ordered collection of data in which each element contains the location of the next element Element = Data + Link head data link Slide 7Faculty of Computer Science and Engineering – HCMUT empty...
Ngày tải lên: 06/03/2014, 17:20
Data Structures and Algorithms - Chapter 6 -Recursion pot
... recursive algorithms Recursion removal Backtracking Examples of backtracking and recursive algorithms: Factorial Fibonacci The towers of Hanoi Eight Queens Problem Tree-structured ... picture and leave the detailed computations to the computer. 28 Subprogram implementation 5 Print List in Reverse 19 Recursion 14 Tree and Stack frames of function calls 6 Designing Recursive Algorithms 33 The ... RecursiveFactorial 24 17 Print List 17 6 10 14 20 The Towers of Hanoi 45 Thinking of Recursion Remembering partial computations: computers can easily keep track of such partial computations with a stack, but...
Ngày tải lên: 15/03/2014, 17:20
Data Structures and Algorithms - Chapter 8: Heaps pptx
... (ref MinData <DataType>): DeleteHeap Algorithm 35 Build heap <ErrorCode> BuildHeap (val listOfData <List>) Builds a heap from data from listOfData. Pre listOfData contains data ... (heap is not full) AND (more data in listOfData) 1. listOfData.Retrieve(count, newData) 2. data[ count] = newData 3. ReheapUp( count) 4. count = count + 1 3. if (count < listOfData.Size() ) 1. ... Chapter). 23 Build heap Algorithm BuildHeap2 () Builds a heap from an array of random data. Pre Array of count random data. Post Array of data becames a heap. Uses Recursive function ReheapDown. 1. position...
Ngày tải lên: 15/03/2014, 17:20
Data Structures and Algorithms - Chapter 10: Sorting docx
... next. • The final incremental value must be 1. 19 Example of Shell Sort 18 Shell Sort 15 Selection Sort Efficiency 37 Partition Algorithm Algorithm: • Temporarily leave the pivot value at the first ... 5 Choosing incremental values • From more of the comparisons, it is better when we can receive more new information. • Incremental values should not be multiples of each other, other wise, the same ... at i >= pivot, i can be increased. • Otherwise, last_small is increased and two entries at position last_small and i are swapped: 49 Selection Sort 24 Straight Insertion Sort 12 Sorting 4 31 Straight...
Ngày tải lên: 15/03/2014, 17:20
Data Structures and Algorithms - Chapter 12: Multiway trees doc
... Trees • Each node has m - 1 data entries and m subtree pointers. • The key values in a subtree such that : – >= the key of the left data entry – < the key of the right data entry. K 1 K 2 K 3 keys ... Pseudo code of algorithms for B-Tree Insertion 4 17 November 2008 Cao Hoang Tru CSE Faculty - HCMUT M-Way Node Structure key data num entries entry key <key type> data < ;data type> rightPtr ... make room. Pre node is pointer to node to contain data. newEntry contains data to be inserted. entryNdx is index to location for new data. Post data have been inserted in sequence. 1 shifter =...
Ngày tải lên: 15/03/2014, 17:20
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