SQLite Optimization FAQ. Jim Lyon (jplyon@attglobal.net) 10-Sep-2003 Compiled from sqlite docs, source, and yahoo postings This document is current for SQLite 2.8.6 1. Introduction 1.1. About this FAQ This FAQ is an incomplete summary of my experiences with speed-optimizing an application that uses the SQLite library. It will be of most use to people who are already familiar with using SQLite. It is released under the terms of the SQLite license :) ** The author disclaims copyright to this material. ** In place of a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. 1.2. IntroductionPRAGMA settingsTransactionsIndexesOptimizing queriesMoving code into SQLUser functionsCallback functionsReducing database file sizeReducing database load timeReducing SQL query parse timeHacking the sourceUsing the btree interfaceMultiple threadsOperating system issues AppendicesTiming considerations.
H2 Database Engine. Top 10 Performance Problems taken from Zappos, Monster, Thomson and Co Performance, Scalability and Architecture Java and .NET Application Performance Management (dynaTrace Blog) Top Games - TIGdb - The Indie Game Database. Changing Machine SID With NewSID Breaks SQL Server (And How To Fix It) Background Like a lot of other companies, we use imaging software to get new\repurposed machines up and running quickly. We recently switched to a new imaging product and it seemed to work well.
We used it on a couple of SQL Servers that made their way into production and shortly after they went live we noticed intermittent errors with clients trying to connect using Windows authentication that looked like this: Login failed for user ''. The user is not associated with a trusted SQL Server connection. This usually happened a few times a day for a couple of minutes and then the system self-corrected. Event Type: Error Event Source: NETLOGON Event ID: 5719 Description: This computer was not able to set up a secure session with a domain controller in domain [OUR DOMAIN] due to the following: Not enough storage is available to process this command.
So the NETLOGON service was failing and killing SQL’s ability to authenticate users. 0. 1. 2. 3. 4. 5. 6. Vulnerable Sites Database. Data.gov. SQL Code Formatter. General What's instant sql formatter? Instant SQL Formatter is a free online sql tidy tool, actually, it not only can beautify your sql but also can turn your formatted sql into html code, so you can post coloured sql code in your blog, forum,wiki and any website easily.
In addition to beautifying SQL code, this sql tool can translate SQL code into C#, Java, PHP, DELPHI and other program languages. Another useful feature is find out all database objects such as table, column, function in sql by selecting output format to list database object. How does this sql beautifier work? Before the SQL is reformatted, the SQL formatter first checks the syntax of the input SQL, then creates a parse tree for each SQL.
What can I do when my SQL is not formatted? 1. 2. 3. 4. Does this formatter support unicode? No. Why copy to clipboard button doesn't work in firefox? May I setup this sql formatter on my site? Yes. I don't want to post my sql on internet, how do I tidy my sql? Output of SQL formatter. SQL Server Express WebLog How should I Install SQL Server 2008.url. There are two options for installing SQL Server 2008 Express. 1. Basic: Choose this option to install SQL Server Express with minimal effort by using the Web Platform Installer and a pre-defined defaults. Visit SQL Server Express download page to perform a basic install. The Microsoft Web Platform Installer will only perform an installation will all features with an Instance Name called “SQLExpress”. 2.
Customize: If you need to customize the installation or install on a Domain Controller, you can obtain SQL Server Express from the Microsoft Download Center. Here are the Express editions available for manual download: More details on when I need to perform a customized installation It is only necessary to perform a customize install under the following scenarios: What if I want to customize the installation: If you need to install differently than the defaults provided in option #1, you will need to perform a custom install. Upgrading Specifying an Instance Name other than SQLEXPRESS Embedding.