'Emp table' diaporamas de présentation

SQL

SQL. Some interesting facts about SQL:. Full name of SQL --- S tructural Q uery L anguage Old name --- SEQUEL ( S tructural E nglish QUE ry L anguage) First developed at IBM's San Jose (now Almaden) Research Lab. in 1974. Over 100 SQL-based products in the market.

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Reports

Reports. Aisha AlArfaj. Using Reports Developer. Oracle Reports Developer is a robust tool to help in the creation of database applications. T here are generally a finite number of ways to enter information into the database, there are an infinite number of ways to retrieve it.

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Database Systems I SQL Constraints and Triggers Ensuring business rules are met.

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Creating Database Triggers

Creating Database Triggers. Objectives. After completing this lesson, you should be able to do the following: Describe database triggers and their use Create database triggers Describe database trigger firing rules Remove database triggers. Overview of Triggers.

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Active Databases Part 1: Introduction

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Entity Modelling Tips

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Databases

Databases. Flat Files & Relational Databases. Learning Objectives. Describe flat files and databases. Explain the advantages that using a relational database gives over flat files. Flat Files. A Flat File. All the data is held in a single file which is two dimensional.

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While you are waiting for class to start...

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VIEWS

218 views • 7 slides