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True or false: The Internet is made up of separate but interconnected networks belonging to commercial, educational, and government organizations and Internet Service Providers (ISPs)
True
True or false: The web uses hypertext to allow browsing, and a number of Web-based search engines were created, such as Google, Yahoo, and MSN
True
True or false: The Internet began with funding from the NSF as a means to allow American universities to share the resources of five national supercomputing centers
True
True or false: The Internet was estimated to have over 100 million users in January 1997
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HTML 4.01 is the current version recommended by the World Wide Web Consortium (W3C).
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Web services are aimed at browsers and have a user interface.
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Web-DBMS integration does not require support for transactions spanning multiple HTTP requests.
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High-level productivity tools are not necessary for the development, maintenance, and deployment of web applications.
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True or false: Intranet is a network accessible to the public Internet through a firewall.
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True or false: Stage 3 of Internet evolution for businesses involves developing a website for global presence and communication with customers.
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True or false: The World Wide Web is a sequential browsing system using hyperlinks.
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True or false: HTTP is the protocol used to transfer web pages through the Internet, based on a request-response paradigm.
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Java servlets offer improved performance, portability, and extensibility compared to CGI programming.
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Microsoft Open Database Connectivity (ODBC) technology provides a common interface for accessing heterogeneous SQL databases.
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JDBC provides a prominent approach for accessing NoSQL databases from Java, supporting basic SQL functionality.
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The EJB 2.0 specification introduced Container-Managed Persistence (CMP), Container-Managed Relationships (CMR), and the EJB Query Language (EJB-QL).
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JavaScript and JScript are virtually identical interpreted scripting languages from Netscape and Microsoft, respectively, used for scripting within an HTML document.
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VBScript has syntax more like Visual Basic than Java and is procedural in nature.
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HTTP cookies are pieces of information stored by the server on behalf of the client, allowing the server to identify the user and personalize the appearance of the web page.
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Extensions to the Web server, such as the Netscape API (NSAPI) and Microsoft’s Internet Information Server API (ISAPI), do not provide additional functionality for integrating databases into the Web environment.
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Study Notes
Integrating Web and DBMS Technologies
- Current approaches to integrating databases into the Web environment include scripting languages, Common Gateway Interface (CGI), HTTP cookies, and extensions to the Web server.
- Scripting languages like JavaScript and VBScript allow the creation of functions embedded within HTML code, automating processes and manipulating objects.
- JavaScript and JScript are virtually identical interpreted scripting languages from Netscape and Microsoft, respectively, used for scripting within an HTML document.
- VBScript, a Microsoft proprietary interpreted scripting language, has syntax more like Visual Basic than Java and is procedural in nature.
- Common Gateway Interface (CGI) is a specification for transferring information between a Web server and a CGI program, allowing the server to launch other programs and execute scripts.
- HTTP cookies are pieces of information stored by the client on behalf of the server, allowing the server to identify the user and personalize the appearance of the web page.
- CGI scripts can be made more interactive by using cookies, as the client may have many cookies stored at any given time, each associated with a particular website or web page.
- Cookies have an expiration date, and if explicitly set to some time in the future, the browser will automatically save the cookie to the client’s hard drive.
- Extensions to the Web server, such as the Netscape API (NSAPI) and Microsoft’s Internet Information Server API (ISAPI), provide additional functionality for integrating databases into the Web environment.
- Java, JEE, JDBC, SQLJ, JDO, JPA, Servlets, JavaServer Pages (JSP), .NET, Active Server Pages (ASP), and ActiveX Data Objects (ADO) are also used for integrating databases into the Web environment.
- JavaScript, VBScript, Perl, and PHP are interpreted scripting languages that provide the key functions needed to retain a “thin” client application and promote rapid application development.
- Most of the hype in this area focuses on Java, but scripting engines are likely to supply important day-to-day functionality for integrating databases into the Web environment.
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