Creating databases

The implementation duration of road work is critical as it impacts both the cost and outcome of the project. The article examines the techniques used to determine the time required for the completion of road work projects. It explores the approach to estimating the duration of road work projects in low- and middle-income countries (LMICs) based on the ROCKS database created by the World Bank.

13p vifaye 20-09-2024 3 1   Download

Bài giảng Phát triển ứng dụng Web: Bài 3 PHP Database cung cấp cho người học những kiến thức như: PHP MySQL Introduction; PHP MySQL Connect to a Database; PHP MySQL Create Database and Tables; PHP MySQL Insert Into; PHP MySQL Select; PHP MySQL The Where Clause; PHP MySQL Order By Keyword; PHP MySQL Update; PHP MySQL Delete; MySQL và Font Unicode; MySQLi.

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Bài giảng Công nghệ Oracle: Chương 4 với mục tiêu nhằm liệt kê các điều kiện cần thiết để tạo một CSDL, tạo một CSDL sử dụng Oracle Database Configuration Assistant, tạo một CSDL thủ công bằng câu lệnh “create database”.

35p phongphong321 09-08-2018 73 9   Download

Bài giảng Cơ sở dữ liệu nâng cao - Chapter 1: Creating databases and database files. Nội dung chính trong chương này gồm có: Introduction to database, creating database, managing database, maintainance to database. Mời các bạn cùng tham khảo.

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Module 2: Automating an installation of Microsoft Windows XP Professional. The following topics are covered in this module: Introduction to automating an installation of Windows XP Professional; creating answer files; creating a uniqueness database file; performing an automated installation of Windows XP Professional; overview of creating and deploying an image; preparing a reference computer; creating, testing, and deploying an image; managing security settings by using security center.

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Bài giảng "Bảo mật cơ sở dữ liệu - Chapter 7: Database auditing models" trình bày các nội dung: Gain an overview of auditing fundamentals, understand the database auditing environment, create a flowchart of the auditing process, list the basic objectives of an audit. Mời các bạn cùng tham khảo.

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Lecture Database security and auditing - Protecting data integrity and accessibility - Chapter 8: Application Data Auditing presentation of content Create and implement Oracle triggers, create and implement SQL Server triggers, define and implement Oracle fine-grained auditing,... Mời các bạn cùng tham khảo.

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Chapter 3 - Structured Query Language. After completing this unit, you should be able to: Learn basic SQL statements for creating database structures, learn SQL statements to add data to a database, learn basic SQL SELECT statements and options for processing a single table, learn basic SQL SELECT statements for processing multiple tables with subqueries,...

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In this chapter you will: To understand how firms create an internal database, to learn about building a database from a Web site, to become familiar data mining, to understand the advantages and disadvantages of of using secondary data, to understand the role of the Internet in obtaining secondary data, to learn about types of information management systems.

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Chapter 7 discusses how to design a relational database schema based on a conceptual schema design. This chapter presented a high-level view of the database design process, and in this chapter we focus on the logical database design or data model mapping step of database design. We present the procedures to create a relational schema from an Entity-Relationship (ER) or an Enhanced ER (EER) schema.

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Chapter 8 describes more advanced features of the SQL language standard for relational databases. In this chapter present more complex features of SQL retrieval queries, such as nested queries, joined tables, outer joins, aggregate functions, and grouping.

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McGraw-Hill/Irwin © 2004 The McGraw-Hill Companies, Inc., All Rights Reserved. .Direct Marketing Defined “The total of activities by which the seller . . . direct efforts to a target audience using one or more media for the purpose of soliciting a response by phone, mail, the internet or personal visit from a prospective customer.” Includes: Direct selling Direct mail Telemarketing Internet selling Direct action marketing Catalog selling Television/ print media Cable TV .

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1. Trigger Trigger là 1 đối tượng (object) trong database cho phép chạy thủ tục lưu trữ (stored procedure) nào đó mỗi khi có 1 thay đổi xảy ra. Có 2 loại Trigger: • DDL Trigger: áp dụng cho những thay đổi liên quan đến cấu trúc của database, như: ALTER DATABASE, CREATE TABLE, … • DML Trigger: áp dụng cho những thay đổi liên quan trực tiếp đến dữ liệu, như: UPDATE, INSERT, DELETE.

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Bài viết này sẽ minh họa các phương pháp sử dụng khác nhau của mệnh đề “For Attach” nhằm vượt qua những điểm hạn chế gặp phải khi sử dụng sp_attach_db và sp_attach_single_file_db. Trong SQL Server 7.0, Microsoft đã giới thiệu hai thủ tục lưu trữ hệ thống là sp_attach_db và sp_attach_single_file_db, giúp các nhà quản trị cơ sở dữ liệu thuận tiện .

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create user test0 identified by p123; create user test1 identified by p123; create user test2 identified by p123; create user test3 identified by p123; create user test4 identified by p123;

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After completing this lesson, you should be able to do the following: Describe the features of multitable inserts Use the following types of multitable inserts Unconditional INSERT Pivoting INSERT Conditional ALL INSERT Conditional FIRST INSERT Create and use external tables Name the index at the time of creating a primary key constraint

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After completing this lesson, you should be able to do the following: Interpret the concept of a hierarchical query Create a tree-structured report Format hierarchical data Exclude branches from the tree structure

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After completing this lesson, you should be able to do the following: Set up Database Resource Manager Assign users to Resource Manager groups Create resource plans within groups

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After completing this lesson, you should be able to do the following: Use the ROLLUP operation to producesubtotal values Use the CUBE operation to produce cross-tabulation values Use the GROUPING function to identify the row values created by ROLLUP or CUBE Use GROUPING SETS to produce a single result set

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Managing Privileges A privilege is a right to execute a particular type of SQL statement or to access another user’s object. These include the right to: Connect to a database Create a table Select rows from another user’s table Execute another user’s stored procedure System privileges Each system privilege allows a user to perform a particular database operation or class of database operations; for example, the privilege to create tablespaces is a system privilege.

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