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data base management system
data base management systemAkshit R Shah
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This document discusses entity-relationship (ER) diagrams and database modeling. It defines key concepts like entities, attributes, and relationships. An entity represents a person, place, or object of interest. Attributes are properties of entities like name and address. Relationships show how entities are connected. The document provides examples of an ER diagram for a basketball game with entities like teams, players, and games. It also explains different relationship types like one-to-one, one-to-many, and many-to-many.
犖犖萎犖犖犖迦犖犢犖犖÷弦犖ム肩犖橿見犖犖園犖犢犖迦犖犢犖迦犖ム元犖 犢犖犖 犖犖園犖犖 犖犖園犢犖犖犖
犖犖萎犖犖犖迦犖犢犖犖÷弦犖ム肩犖橿見犖犖園犖犢犖迦犖犢犖迦犖ム元犖 犢犖犖 犖犖園犖犖 犖犖園犢犖犖犖Utai Sukviwatsirikul
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犖犖萎犖犖犖迦犖犢犖犖÷弦犖ム肩犖橿見犖犖園犖犢犖迦犖犢犖迦犖ム元犖
Database Management System for Retail Shop 犢犖犖 犖犖園犖犖 犖犖園犢犖犖犖犖犖犖÷険犖ム犖ム犖犖犖園犖 ( Normalization )1nf-3nf
犖犖犖÷険犖ム犖ム犖犖犖園犖 ( Normalization )1nf-3nfCh Khankluay
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犖犖犖÷険犖ム犖ム犖犖犖園犖 ( Normalization )
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In software engineering, an entityrelationship model (ER model) is a data model for describing the data or information aspects of a business domain or its process requirements
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data base management system
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This document discusses entity-relationship (ER) diagrams and database modeling. It defines key concepts like entities, attributes, and relationships. An entity represents a person, place, or object of interest. Attributes are properties of entities like name and address. Relationships show how entities are connected. The document provides examples of an ER diagram for a basketball game with entities like teams, players, and games. It also explains different relationship types like one-to-one, one-to-many, and many-to-many.犖犖萎犖犖犖迦犖犢犖犖÷弦犖ム肩犖橿見犖犖園犖犢犖迦犖犢犖迦犖ム元犖 犢犖犖 犖犖園犖犖 犖犖園犢犖犖犖
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犖犖萎犖犖犖迦犖犢犖犖÷弦犖ム肩犖橿見犖犖園犖犢犖迦犖犢犖迦犖ム元犖
Database Management System for Retail Shop 犢犖犖 犖犖園犖犖 犖犖園犢犖犖犖犖犖犖÷険犖ム犖ム犖犖犖園犖 ( Normalization )1nf-3nf
犖犖犖÷険犖ム犖ム犖犖犖園犖 ( Normalization )1nf-3nfCh Khankluay
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1. The document discusses database design and normalization. It provides examples of product, order, and store tables.
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Business Computer Project 4Warawut
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This document discusses GUI and event handling in Java. It begins by introducing GUI components like frames, panels, buttons, labels, text fields, lists, scroll panes, checkboxes, comboboxes and menus. It then covers various layout managers including flow, border, grid and gridbag layouts. Finally, it discusses event handling in Java by adding event listeners to components to trigger actions when events like button clicks occur.Object-Oriented Programming 9
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This document discusses abstract classes, interfaces, and multiple inheritance in Java. It includes definitions and examples of abstract classes and methods, how abstract classes can be extended, and how interfaces define abstract methods that implementing classes must implement. It notes that abstract classes can include both abstract and concrete methods while interfaces only contain abstract methods. The document also explains that Java supports multiple inheritance through interfaces, allowing classes to implement multiple interfaces, but not extend multiple classes.Object-Oriented Programming 7
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Object-Oriented Programming 6Warawut
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The document discusses different types of data communication and telecommunication technologies. It describes data transmission and various components involved, including sender, receiver, messages, and communication protocols. It then covers different communication mediums such as twisted-pair cable, coaxial cable, fiber-optic cable, microwave transmission, satellite, infrared, radio, and cellular networks. Specific details are provided on the bandwidth and characteristics of each technology type.Management Information System 5
Management Information System 5Warawut
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The document discusses database systems and database management systems (DBMS). It describes the key components of a DBMS, including the data repository that stores data, the data dictionary that contains metadata, and the DBMS software. It also explains the three levels of schema in a database system - the external level visible to users, the conceptual level that defines the structure, and the internal level that defines how data is stored physically.Management Information System 4
Management Information System 4Warawut
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This chapter discusses different types of computer software, including system software like operating systems and utility programs, as well as application software for general use or specific tasks. It describes programming languages from early machine code to modern languages like JavaScript and Python. Open source software and licensing models are also covered.Object-Oriented Programming 5
Object-Oriented Programming 5Warawut
油
This document discusses arrays and strings in Java. It covers one-dimensional and two-dimensional arrays, ArrayLists, methods for arrays like sort() and binarySearch(), and enum types. For strings, it explains string methods such as equals(), compareTo(), concat(), substring(), replace(), toUpperCase(), and indexOf(). It also covers StringBuffers and StringBuilders.Business Computer Project 3
Business Computer Project 3Warawut
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The document discusses AJAX and XML. It defines AJAX as Asynchronous JavaScript and XML, which allows web pages to be updated asynchronously by exchanging data with a web server behind the scenes. It also defines XML as a markup language that is commonly used to transport data in AJAX applications. Finally, it discusses how the XMLHttpRequest object allows JavaScript code in a web page to communicate with web servers to request and receive back data without interfering with the display and behavior of the existing page.Management Information System 3
Management Information System 3Warawut
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2) It describes the central processing unit (CPU) and its main components: the control unit, arithmetic/logical unit, and memory unit.
3) The document outlines different types of computer memory, including ROM, RAM, SDRAM, and DDR SDRAM. Business Computer Project 2
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Object-Oriented Programming 3Warawut
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This document discusses different types of control structures in programming. It covers sequence control statements, selection control statements which include if, if/else, nested if, and switch statements. It also discusses iteration control statements like while, do/while and for loops. Finally, it briefly explains break and continue statements. The document contains examples of code for each of the control structure types.Object-Oriented Programming 2
Object-Oriented Programming 2Warawut
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This document discusses basic programming concepts in Java, including variables, data types, operators, and type conversion. It defines primitive data types like int, float, boolean and reference types like String. Arithmetic, relational, logical and bitwise operators are described along with examples. Implicit and explicit type conversion between data types is also covered. The document provides examples of declaring and initializing variables, using operators, and performing explicit type conversions in Java code.Exercises vdo rent
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