Download Practical PostgreSQL by John C. Worsley, Joshua D. Drake, Command Prompt Inc PDF

By John C. Worsley, Joshua D. Drake, Command Prompt Inc

ISBN-10: 1565928466

ISBN-13: 9781565928466

Arguably the main in a position to the entire open resource databases, PostgreSQL is an object-relational database administration approach first constructed in 1977 through the collage of California at Berkeley. even with its lengthy heritage, this powerful database suffers from a scarcity of easy-to-use documentation. sensible PostgreSQL fills that void with a fast moving consultant to deploy, configuration, and utilization. This complete new quantity exhibits you ways to assemble PostgreSQL from resource, create a database, and configure PostgreSQL to just accept client-server connections. It additionally covers the various complex positive factors, reminiscent of transactions, versioning, replication, and referential integrity that permit builders and DBAs to exploit PostgreSQL for severe company purposes. The thorough creation to PostgreSQL's PL/pgSQL programming language explains how one can use this very valuable yet under-documented characteristic to strengthen kept systems and triggers. The publication encompasses a entire command reference, and database directors will have fun with the chapters on person administration, database upkeep, and backup & restoration. With useful PostgreSQL, you'll find speedy why this open resource database is this kind of nice open resource substitute to proprietary items from Oracle, IBM, and Microsoft. additionally integrated is a CD-ROM with Command Prompt's PostgreSQL software Server, LXP. The CD covers LXP model 0.8.0 and PostgreSQL model 7.1.3.

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5 Round Trip Time . . . . . . . . . . . . . . . . . . . . . . . . . 6 Fairness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 E-mail . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 World Wide Web . . . . . . . . . . . . . . . . . . . . . . . . . 3 Remote Access .

If a link to a leaf or a node itself fails, it will only result in the isolation of that leaf node. The rest of the network will still be operational. However, if a non-leaf node fails, an entire section of the network will collapse [112], [263]. In addition, using a central hub as a repeater increases the distance a signal can travel between nodes. 1. 1 Network Communication Packet Switching In a packet switching scheme, prior to transmitting a piece of information, the source divides the total amount of data into fundamental units of information called packets.

3 Link Utilization . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Packet Loss Rate . . . . . . . . . . . . . . . . . . . . . . . . . 5 Round Trip Time . . . . . . . . . . . . . . . . . . . . . . . . . 6 Fairness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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