'Varchar 30' presentation slideshows

C20.0046: Database Management Systems Lecture #13

C20.0046: Database Management Systems Lecture #13. Matthew P. Johnson Stern School of Business, NYU Spring, 2004. Agenda. Last time: G&A, modifications, defining schemata, indices This time:, Constraints, Triggers Views Constraints Triggers Homework 2 is due now Future:

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Kapitel 7: Die Datenbanksprache SQL

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CIS 218 Database Implementation

CIS 218 Database Implementation. Three Stages of Database Development. Requirements Design Implementation. MySQL. An open-source DBMS Can be accessed via: the command line phpMyAdmin a custom interface Popular for web applications. Using the Command Line. Launch WampServer

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CT 100 Week 6

CT 100 Week 6. SQL. Quiz 6 Vocabulary. All quiz 5 vocabulary and the following new terms and the following new terms. Primary key One or more columns that uniquely identify each row in a table Foreign key One or more columns in one table the references the primary key in another table.

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Correlated Queries

Correlated Queries. A nested query that requires the subquery to be evaluated many times; once for each value in the outer query. Example: Find movies whose title appears more than once. SELECT title FROM Movie AS Old WHERE year < ANY ( SELECT year

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Most Folks Thoughts on Data...

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Most Folks Thoughts on Data...

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Amer Amer, James Sheets

CIS 421 Assignment #4: Relational Database Project. Amer Amer, James Sheets. 1. Project Topic. Design and implement a relational database for a book store chain. 2. Database Requirements.

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