Advanced DBI

17/07/00


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Table of Contents

Advanced DBI

Topical Topics

What’s it all about?

A picture is worth?

Speed Speed Speed!

Give me speed!

Partition for speed

Prepare for speed

How would you do it?

The best laid plans

MySQL’s EXPLAIN PLAN

Oracle’s EXPLAIN PLAN

PPT Slide

Changing plans (hint hint)

Respect your server's SQL cache

Hot handles

Summary (so far)

Let the DBI cache your handles

Another prepare_cached() example

Keep a handle on your databases

A connect_cached() example

Sling less for speed

Error Checking & Error Handling

The importance of error checking

Error checking - ways and means

Handling errors the smart way

Handling errors the smart way

Wheels within Wheels

Setting the scene

Architecture of the DBI classes #1

Architecture of the DBI classes #2

Anatomy of a DBI handle

Method call walk-through

Watching the DBI in action

Enabling tracing

Our program for today...

Trace level 1

Trace level 2 and above

Transactions

Transactions - What's it all about?

Transactions - Life Preserving

Transactions - How the DBI helps

Transactions - Example code

Transactions - Further comments

DBI for the Web

Web DBI - Connect speed

Web DBI - Too many connections

Web DBI - State-less-ness

Web DBI - Browsing pages of results

Web DBI - Concurrent editing

Web DBI - Tips for the novice

DBI security tainting

Handling LONG/BLOB data

Portability

Portability in practice

The Power of the Proxy

DBD::Proxy & DBI::ProxyServer

A Proxy Picture

Thin clients and other buzz words

The practical realities

Flexing the Multiplex

DBD::Multiplex

Reference Materials

The end.

Author: Tim Bunce

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