offer- so they need multiple categories on the database. II. Entity Relationship Diagram Tables and Cardinalities Entity Relationship Diagram III. Data Definition Language DDL SCRIPT -- Generated by Oracle SQL Developer Data Modeler 4.0.0.820 -- at: 2013-11-06 04:53:59 CST -- site: Oracle Database 11g -- type: Oracle Database 11g CREATE TABLE AgencyCateg ( RefAgencyCateg_ag_categ_code NUMBER (30‚3) ‚ agencies_agency_id
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What kind of server repond to recursive queries ? how does this server work ? A DNS servers that is setup with to preform recursive queries or an SQL server What kind of dns record is likely to be returned when a web browser tries to resolve the domain part uri? An A (address) record points to a domain. What are mx resource records for? identifies the email servers for a domain How would you find the ip address of example.com from the command line? $ hostname example.com or $ dig example
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Oracle® Database Installation Guide 11g Release 2 (11.2) for Oracle Solaris E24346-03 March 2012 Oracle Database Installation Guide‚ 11g Release 2 (11.2) for Oracle Solaris E24346-03 Copyright © 2011‚ 2012‚ Oracle and/or its affiliates. All rights reserved. Primary Authors: Prakash Jashnani‚ Namrata Bhakthavatsalam‚ Reema Khosla Contributing Authors: Douglas Williams‚ Kevin Flood‚ Clara Jaeckel‚ Emily Murphy‚ Terri Winters Contributors: David Austin‚ Subhranshu Banerjee‚ Janelle Simmons
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Introduction What is “Data”? ► A representation of raw facts which has no meaning assigned ► Generally‚ operations are performed on data or data items to supply some information about an entity. What is a Database? A database is an integrated and structured collection of stored operational data used (shared) by application systems of an enterprise Examples of Databases • Medical records • Bank accounts • Stock control • Telephone directories
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helping set up the database tables for a new Accounts Payable (AP) system. This individual database assignment you will be expected to: * Do additional verification queries by creating queries using the Access visual interface * Explain the SQL code generated by these additional queries * Make appropriate modifications to existing Create Table commands The skills needed to complete this assignment are introduced in the previous walkthrough. If you try to complete the assignment without
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IS535 Managerial Application Of Information Technology Assignment 4 Articles This article describes the technology that enables clients of IBM’s federated database engine to access and integrate the data and specialized computational capabilities of a wide range of relational and non-relational data sources. By enabling the database access for their clients‚ they are creating value to their
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data in a database while controlling access and security (see figure 6.9). Query-By-Example (QBE) tool – helps users graphically design the answer to a question against a database Managers typically interact with OBE tools Structured-Query-Language (SQL) – Asks users to write lines of code to answer questions against a database MIS professionals have the skills required to code Relational Database Model (RDMS) – allows users to create‚ read‚ update‚ and delete data in a relational database. Entity
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database to steal game cards; hackers use SQL injection attacks‚ invading a database center of anti-virus software to steal a large amount of confidential information‚ leading
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Page Ref: 367 6) In the database redesign process‚ it is often useful to test whether certain conditions or assumptions are valid before proceeding with the redesign. Answer: TRUE Diff: 1 Page Ref: 3 7) In the database redesign process‚ two SQL tools are useful for testing whether or not certain conditions or assumptions are valid: uncorrelated subqueries and EXISTS/NOT EXISTS. Answer: FALSE Diff: 2 Page Ref: 367 8) A correlated subquery looks very different from a noncorrelated subquery
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constraint. (D) Functional dependency. Ans: (A) The rule that a value of a foreign key must appear as a value of some specific table is called a referential constraint. (Referential integrity constraint is concerned with foreign key) Q.9 The clause in SQL that specifies that the query result should be sorted in ascending or descending order based on the values of one or more
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