Download Concise Guide to Databases: A Practical Introduction by Paul Crowther, Peter Lake PDF

By Paul Crowther, Peter Lake

Smooth companies rely on information for his or her very survival, making a desire for stylish databases and database applied sciences to assist shop, organise and shipping their invaluable data.

This easy-to-read textbook/reference provides a finished creation to databases, beginning with a concise historical past of databases and of information as an organisational asset. As relational database administration platforms are not any longer the one database resolution, the publication takes a much wider view of database know-how, encompassing gigantic facts, NoSQL, item and object-relational, and in-memory databases. The textual content additionally examines the problems of scalability, availability, functionality and safeguard encountered while development and working a database within the genuine world.

Topics and features:

* offers evaluation and dialogue questions on the finish of every bankruptcy, as well as skill-building, hands-on exercises
* Introduces the elemental recommendations and applied sciences in database structures, putting those in an old context
* Describes the demanding situations confronted by way of database professionals
* experiences using a number of database kinds in company environments
* Discusses components for additional examine inside this fast-moving domain
* indicates a constitution for a possible collage path within the preface

With its learning-by-doing strategy, supported through either theoretical and sensible examples, this clearly-structured textbook can be of serious price to complex undergraduate and postgraduate scholars of machine technology, software program engineering, and data know-how. working towards database execs and alertness builders also will locate the ebook an incredible reference that addresses today's company wishes.

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Sample text

The most important column in the Macro window is the Action column. You do not have to type actions into this column; you can simply click any row in the column for a full menu of macro actions. In the Condition column just to the left of the Action column, you can specify criteria that conditionally control the execution of the action on a line. Figure 1-28. The main user interface elements of the Macro window. You can store multiple macros in a single macro object. This is an efficient way to store multiple macros that share some common function.

When the Case Else clause catches the misspelled operation, it raises the custom error, and this passes control to the Computer2Handler statement. " After reviewing how to do error trapping with a form, we will return to the topic of which custom error codes to use. The code behind the form in Figures 1-18 through 1-20 uses nested For Each…Next statements to process responses to a form. Recall that the procedure for the command button's click event looped through all the controls on the form to find the two text boxes.

The workspace object can contain session, 50 DAO Overview DAO Overview 51 security, and transaction information. ) There are two types of workspaces: Microsoft Jet workspaces and ODBCDirect workspaces. Jet Workspaces Jet workspaces are for Jet, Jet-connected ODBC, and installable ISAM data sources. Jet-connected ODBC data sources let you link to remote data sources in a familiar DAO environment. Unfortunately, this type of connection requires the full DAO model, and it loads Jet even when no data access is required.

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