linux basic commands with examples doc

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Ngày tải lên: 26/01/2014, 20:20

... khác. Qun tr H thng Linux - C bn 1 TÀI LIU ÀO TO QUN TR H THNG LINUX Tài liu này đc biên son theo tài liu ging dy ca Vin Linux (LPI) HÀ ... lng còn trng. n v kích thc đ hin th là 1K. Qun tr H thng Linux - C bn 36 H THNG FILE TRONG LINUX Cu trúc ca h thng file Mi h thng file có cu trúc ging nh mt ... đa cng đu tiên, trong khi th mc gc “/” ca Linux có th là ánh x ca bt k phân vùng nào. The base directories Qun tr H thng Linux - C bn 39 Mt kiu khác ca h thng file...

Ngày tải lên: 13/12/2013, 22:15

... mode, use the exit command. Step 1 Basic router configuration Connect a rollover cable to the console port on the router and the other end to the PC with a DB9 or DB25 adapter to a COM port. ... modified. Save? [yes/no]: Type n and then press Enter. The responding line prompt will be: Proceed with reload? [confirm] Press Enter to confirm. In the first line of the response will be: Reload ... Enter. Now the router is ready for the assigned lab to be performed. 10 - 10 CCNA 3: Switching Basics and Intermediate Routing v 3.0 - Lab 1.2.3 Copyright  2003, Cisco Systems, Inc. Router...

Ngày tải lên: 21/12/2013, 19:15

... Developer Network (MSDN) Library ã Full Text Search Index ã Visual Basic Documentation ã VID Documentation ã VS Shared Documentation ! Visual Studio 6.0 Service Pack 3 ! Course Lab Files ... page to install the following components: ã Full Text Search Index ã VB Documentation ã VID Documentation ã VS Shared Documentation 20. Click Yes, when asked to create a shortcut. 21. Insert ... rights covering subject matter in this document. Except as expressly provided in any written license agreement from Microsoft, the furnishing of this document does not give you any license...

Ngày tải lên: 21/12/2013, 19:15

... Jumpstart with Examples ! The title of this book was originally Oracle SQL Reference, but during the writing process, we set our hearts on the new title Oracle SQL Jumpstart with Examples ... effectively, we need to understand the most basic forms of SQL, having much to do with why SQL was invented in the first place. In short, SQL database access has evolved with data modeling techniques, Oracle ... developers. Essentially this book is all about Ora- cle SQL with some interesting additions such as XML, basic PL/SQL pro- gramming, and the basic facts about Oracle Database underlying architecture. ...

Ngày tải lên: 24/12/2013, 12:17

... DIS- TINCT and the DUAL table. So let’s begin with the basics of the SELECT statement and some simple examples just to get into the swing of things. 4.1 The Basic SELECT Statement SELECT is the ... SQL*Plus.  Null values sort as the highest value by default. 4.3.6 Using Pseudocolumns One or two simple examples will suffice with respect to the SELECT state- ment. For example, the following query ... on matching column values between tables.  Subqueries are queries executed within other queries: a SELECT statement executed within another calling SELECT statement.  Queries for table and view creation...

Ngày tải lên: 24/12/2013, 12:17

... the categories of operators, conditions, and pseudocolumns both with respect to Oracle documentation and other chapters in this book. Let’s begin with the simplest of things, precedence. Chap7.fm ... file, along with the script CDREPORT.SQL, should be placed into the HTTP Server’s document directory on the server. The default document directory location is $ORACLE_HOME/Apache/ Apache/htdocs. Before ... with MUSICCD_ID = 1. An editing session can be initi- ated from within SQL*Plus using the EDIT command. EDIT In the background, SQL*Plus writes a file named AFIEDT.BUF and then opens the file with...

Ngày tải lên: 24/12/2013, 12:17

... in Oracle documentation both online and in Oracle software docu- mentation. Specific reference details of all functions can be found in the SQL Reference Manual section under the Oracle documentation ... in this chapter. However, you will gain experience with the com- monly used functions. Other more obscure functions are detailed in Oracle documentation. Single-row functions can be subdivided ... rows from both tables as with an inner join but including rows from one or both tables that do not have matching rows in the other table. Missing values are replaced with null values.  Left...

Ngày tải lên: 24/12/2013, 12:17

... chapter deals with making changes to the database using DML commands to add, change, and remove data. We begin with the INSERT command. Figure 15.5 Two Updates to the Same Row with a SAVEPOINT Label ... XMLType datatype with respect to Oracle SQL. The XMLType datatype is merely a storage medium and has little to do with actually “doing things” to XML structures, with Oracle SQL commands. We want ... allow the creation of documents that are generally executable in a Web browser. 1 This is a very simple HTML document: <HTML> <HEAD> <P>This is the document header.</P> </HEAD> ...

Ngày tải lên: 24/12/2013, 12:17

... views include a wide variety of queries. Two common ones are views with joins and views with inline subqueries. 19.3.3.1 Views with Joins Let’s dive right in by creating a complex view that ... the intent of the view. To ensure that the view is never used for updating, you can create it with the WITH READ ONLY clause as in the following example: CREATE OR REPLACE VIEW OLDMUSIC_VIEW AS SELECT ... with Joins Modifying data through a view that joins two tables is tricky. In addition to all the rules that Oracle Database 10g imposes on simple views, there are still more rules for views with...

Ngày tải lên: 21/01/2014, 18:20

... were installed with your database, there may be quite a few of these users. Do not log in as any of these users unless specifically instructed to do so by Oracle Database 10 g documentation. ... makes queries with an indexed expression in the WHERE clause much faster. Often, func- tions in the WHERE clause cause the Optimizer to ignore indexes. A function-based index provides with the Optimizer ... on the indexed columns. However, large OLTP sys- tems do use IOTs with some success, and these IOTs are likely to be for tables with a small number of columns or short row length (see Chapter 18). ...

Ngày tải lên: 21/01/2014, 18:20

... ARTIST_ID_SEQ START WITH 1 INCREMENT BY 1 NOMAXVALUE NOCYCLE; CREATE SEQUENCE SONG_ID_SEQ START WITH 1 INCREMENT BY 1 NOMAXVALUE NOCYCLE; CREATE SEQUENCE INSTRUMENT_ID_SEQ START WITH 1 INCREMENT ... STUDIOTIME_ID_SEQ START WITH 1 INCREMENT BY 1 NOMAXVALUE NOCYCLE; CREATE SEQUENCE MUSICCD_ID_SEQ START WITH 1 INCREMENT BY 1 NOMAXVALUE NOCYCLE; CREATE SEQUENCE GENRE_ID_SEQ START WITH 1 INCREMENT BY ... continent_ID_SEQ START WITH 1 INCREMENT BY 1 NOMAXVALUE NOCYCLE; CREATE SEQUENCE country_ID_SEQ START WITH 1 INCREMENT BY 1 NOMAXVALUE NOCYCLE; CREATE SEQUENCE retailer_ID_SEQ START WITH 1 INCREMENT...

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Ngày tải lên: 12/08/2014, 21:20

Ngày tải lên: 12/08/2014, 21:20