... Queries HOUR 13 Joining Tables in Queries 207 14 Using Subqueries to Define Unknown Data 225 15 Combining Multiple Queries into One 239 Part V: SQL Performance Tuning HOUR 16 Using Indexes to Improve ... Jones SamsTeachYourselfSQL 24 Hours in FIFTH EDITION 800 East 96th Street, Indianapolis, Indiana, 46240 USA Down from [www.wowebook.com] Associate Publisher Mark Taub Acquisitions Editor SamsTeach ... “boring stuff” in this hour definitely pays off SQL Definition and History Every modern-day business has data, which requires some organized method or mechanism for maintaining and retrieving...
... SamsTeachYourselfSQLin10Minutes Fourth Edition Ben Forta 800 East 96th Street, Indianapolis, Indiana 46240 SamsTeachYourselfSQLin10 Minutes, Fourth Edition Copyright ... Joining Tables Understanding Joins Creating a Join Summary 13 Creating Advanced Joins Using Table Aliases Using Different Join Types Using Joins with Aggregate Functions Using Joins and Join ... Query Using Microsoft SQL Server (including Microsoft SQL Server Express) Using MySQL Using Oracle Using Oracle Express Using PHP Using PostgreSQL Using SQLite Configuring ODBC Data Sources C SQL...
... TeachYourself Ajax in Phil Ballard 10Minutes 800 East 96th Street, Indianapolis, Indiana, 46240 USA SamsTeachYourself Ajax in10Minutes ACQUISITIONS EDITOR Copyright 2006 by Sams ... 35 iv SamsTeachYourself Ajax in Ten Minutes Client-Side Coding Using JavaScript 36 About JavaScript 36 In at the Deep End 38 Manipulating Data in JavaScript ... well-known programming techniques in an uncommon way to enable web developers to build SamsTeachYourself AJAX in Ten Minutes Internet applications with much more appealing user interfaces than...
... Reader Services Introduction Welcome to SamsTeachYourself Unix in10Minutes Unix Overview Versions of Unix TeachYourself Unix in10Minutes How Do You Use Unix? Getting More Information Who ... for Introduction Welcome to SamsTeachYourself Unix in10Minutes Unix Overview Versions of Unix TeachYourself Unix in10Minutes How Do You Use Unix? Getting More Information Who This Book Is ... This Book Is For Author Note Conventions Used in This Book Welcome to SamsTeachYourself Unix in10Minutes Welcome to SamsTeachYourself Unix in10Minutes If you are new to Unix or just want...
... Reader Services Introduction Welcome to SamsTeachYourself Unix in10Minutes Unix Overview Versions of Unix TeachYourself Unix in10Minutes How Do You Use Unix? Getting More Information Who ... for Introduction Welcome to SamsTeachYourself Unix in10Minutes Unix Overview Versions of Unix TeachYourself Unix in10Minutes How Do You Use Unix? Getting More Information Who This Book Is ... This Book Is For Author Note Conventions Used in This Book Welcome to SamsTeachYourself Unix in10Minutes Welcome to SamsTeachYourself Unix in10Minutes If you are new to Unix or just want...
... logged in to the system, and you can continue your work or lessons Consider a graphical login Instead of sitting down at your Unix terminal, you may be sitting in front of your home PC with Linux installed ... The Linux Documentation Project provides an excellent starting point when wading through the mountains of Linux information online Remember, even though the information is specifically for Linux, ... Imagine being at work and logging in to a system in the morning and leaving at the end of the day and you forget to log out Consider that someone else could wander along and now change things in...
... to so In X, there are multiple options for focusing your input Most window managers can be configured to • Focus input on the foremost window • Focus input on a selected window • Focus input ... manager to focus input on whichever window the cursor is over, you can direct the input into a window that may be partially hidden In Microsoft Windows and Apple Macintosh, the active window is the ... experience using it, it will become increasingly easy for you to work in that manager in the future Besides twm, other common window managers include the following: • AfterStep This window manager...
... look for something you may need, or you want to save time by running a search to find files instead of hunting and pecking for them yourself Handling Error Messages As you continue your search ... you are using the graphical user interface (GUI), then you will likely be using KDE If so, then you can quickly search for files in KDE as well By going to the main menu and selecting Find Files, ... look at moving files and directories 67 68 The mv Command Moving files is not like copying them Copying them leaves the source of the data in the original location in addition to creating a duplicate...
... going to move on and try to master Unix, it may help you to master a text-editing tool because you will find yourself using them a lot in Unix In this lesson we will dig as deep as we can into ... book, there are many things that go into it There is the typing, editing, and the file management and manipulation For instance, to hand in a chapter that resembles a 10- minute lesson, the word ... may use a tool like grep in one lesson in a particular way, and then use it in a completely different way in a later lesson Using the information learned in this chapter in conjunction with other...
... find it The real filename is stored in plain text at the beginning of the file Lesson 11 Managing Processes in Unix In this lesson, you will learn how to work with Unix's internal processes In ... Unix, Windows, and Macintosh Uuencoding is especially popular for sending email attachments Nearly all email applications support uuencoding for sending attachments and uudecoding for receiving ... taking up the most space, this is a quick way to it • find In Lesson 5, "File System Navigation Techniques," you were introduced to using the find command to find files larger than a certain...
... After using chsh l, changing shells is as easy as running the correct command and knowing what syntax to use >chsh -l /bin/ash /bin/bash 119 120 /bin/csh /bin/ksh /bin/sh /bin/bsh /bin/tcsh /bin/zsh ... results outlined at the beginning of this section Again, make sure that you run the correct script against the correct shell 116 117 Using foreach When you find yourself putting in commands over ... lesson 106 107 STDIN STDIN stands for standard input The input connection for a program is called STDIN A program can expect the incoming data stream from the user (or wherever) to appear at STDIN...
... load on the system during the past minute, the second value is the load average during the last 10 minutes, and the third value is the load average during the last 15 minutes These values are ... place to look for automating settings to your shell, and for configuring options for the windowing system Lesson 17 Printing with Unix In this lesson, you'll learn how to print with your Unix system ... master printing in Unix Unix printing is not difficult and can be learned simply by mastering the 133 134 concepts brought up in this lesson, and expanding on them Make sure you consult the Internet...
... anchors appending output to text files applications running in background starting with xinitrc starting with xinitrc file 2nd 3rd window placement apropos command 2nd archives unpacking arguments ... loaded separately as single programs Each of these programs might be in the process of modifying, moving, creating, or deleting files at any point in time and cannot be interrupted If you simply ... built -in help system viewing case sensitivity 2nd cat 2nd 3rd 4th cd 2nd 3rd chfn 2nd chgrp 2nd chmod 2nd syntax chsh 2nd 3rd compress cp copying files copying multiple files 2nd 3rd cp -r copying...
... 104 Understanding Methods 105 Using the with Keyword 105 The Math Object 106 Rounding and Truncating 106 Generating Random Numbers 106 Working ... 146 HOUR 11 Using Windows and Frames 147 Controlling Windows with Objects 148 Creating a New Window 148 Opening and Closing Windows 149 Moving and Resizing Windows ... Converting the String’s Case 66 Working with Substrings 67 Using Part of a String 67 Getting a Single Character 68 Finding a Substring 68 Using Numeric...