Datenbanken

Einführung in Datenbanken, Universität zu Lübeck

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Lina Schad

Set of flashcards Details

Flashcards	8
Language	Deutsch
Category	Computer Science
Level	University
Created / Updated	06.10.2014 / 29.12.2016
Weblink	https://card2brain.ch/box/datenbanken5
Embed	<iframe src="https://card2brain.ch/box/datenbanken5/embed" width="780" height="150" scrolling="no" frameborder="0"></iframe>

Card list

Study

Servlet

1. Schritt

Keyboard commands:

= turn,

= for-/backward,

= scroll

Importe

Servlet

2. Schritt

Keyboard commands:

= turn,

= for-/backward,

= scroll

Initialisierungen

JDBC- Datenbank - Verbindungsaufbau

Keyboard commands:

= turn,

= for-/backward,

= scroll

try

Class.forName("oracle.jdbc.driver.OracleDriver");

conn = DriverManager.getConnection(

"jdbc:Oracle:oci8:@lsintern-dB", "nobody", "Passwort");

stmt = conn.createStatement();

Servlet

3. Schritt

Keyboard commands:

= turn,

= for-/backward,

= scroll

JDBC-Datenbank-Verbindungsaufbau

Servlet

4. Schritt

Keyboard commands:

= turn,

= for-/backward,

= scroll

Anfrage

Servlet: Anfrage

Keyboard commands:

= turn,

= for-/backward,

= scroll

String query=

"select ..." +

"from ..." +

"where ..."

auch mit Eingaben von Website bei where:

' " + request.getParameter(" ... ") + " ' ";

Servlet

5. Schritt

Keyboard commands:

= turn,

= for-/backward,

= scroll

Generierung der HTML-Seite aus dem Anfrageergebnis

Servlet:

Generierung der HTML-Seite aus dem Anfrageergebnis

Keyboard commands:

= turn,

= for-/backward,

= scroll

out.println("<HTML>");

usw. mit out.println

1 / 8

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Datenbanken

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