all linux commands with examples ppt

... executed from within PL /SQL PL /SQL is now fully syntactically equivalent with Oracle SQL In other words, all Oracle SQL commands can be coded into PL /SQL scripts The PL /SQL compiler ... represents all of the columns. Thus all columns are displayed in this query. Figure 1.13 shows the results. The actual data may be different, depending on the shape of your Oracle Database 10g installation. ... operating systems will allow configuration changes to allow addi- tion of scroll bars to command-line windows. 7. Click on Edit in the top menu and invoke the editor. A window appears with an editing

Ngày tải lên: 24/12/2013, 12:17

... finds all CDs with a Length tag.  //. Finds all child elements from a specified root. Therefore, /Artist// Length finds once again all CDs with a Length tag.  [ … ]. Used to build predicates within ... are only dealing with Oracle SQL This makes it... part and parcel of an add-on option called Oracle Partitioning Oracle Partitioning working in concert with parallel processing and ... Oracle Partitioning and parallelism is an immense subject all by itself.2 Additionally, numerous interesting tricks can be done when using Oracle Partitioning All we want to do in... Database

Ngày tải lên: 24/12/2013, 12:17

... You are allowed to use only one licensed copy of Book and its Examples on one web site. You are not allowed to distribute the Book and its Examples and/or documentation by any means without prior ... promptly delete and destroy all copies of the Book. This Book and its Examples are protected by copyright law. Unauthorized reproduction or distribution of this Book and its Examples, or any portion ... …………………… 12 3.6 To cURL or to libcurl?……… .………………… 12 4.0 PHP/CURL Functions with Examples …………………………………… 13 4.1. Using libcurl with PHP…………………………………………… 13 4.2. Simple usage……………………………………………………… 13

Ngày tải lên: 05/07/2013, 11:31

... has a startup switch that you can use to reset all views to the default. Use this switch with care because all customized views are deleted. To reset all views, from the Start menu, select Run. ... however, it's nice to use with any Table view and permits you to read many notes without opening them. The Icons view is similar to the Icons view you're familiar with in Windows Explorer ... [ Team LiB ] Working with Views Using Outlook views, you can control what fields and messages are visible, and highlight messages with different colors and fonts. You can

Ngày tải lên: 14/12/2013, 08:15

... method with the same name as a field overrides the field in any statements the method. All this constructor actually does is assign the parameters to themselves; it does not modify the fields at all. ... class. The Main method calls the Entrance method, wrapped in a try block and followed by a catch handler. This try/catch block allows you to write the code that would normally go inside Main in ... the Debug menu, click Start Without Debugging. The code now builds without errors, and runs. The following messages are written to the console: default constructor called x:1024, y:1280 12. Press

Ngày tải lên: 15/12/2013, 00:15

... 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 ... SQL Jumpstart with Examples Powell_title.fm Page 1 Friday, July 30, 2004 10:10 AM Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. This page intentionally left blank ... with Examples Why with Examples? ??? This book is still an Oracle SQL reference manual simply by the nature of its structure and content However, it is a reference manual with much added usefulness

Ngày tải lên: 24/12/2013, 12:17

... will see SQL and SQL*Plus commands listed first with their syntax and then with many examples, some of which you could type yourself to help you better under- stand the commands. The syntax of a ... Clustering and Oracle RAC Clustering was previously called Oracle Parallel Server and is now called Oracle Real Application Clusters (RAC). Oracle RAC allows for sharing of a single large data source’s ... watermark. [...]... results retrieved with a query? Filtering eliminates rows from a query and is done with the WHERE clause Figure 4.6 shows all rows with artists containing the vowel “a”

Ngày tải lên: 24/12/2013, 12:17

... queries.  Set operators literally do things with sets of rows.  Multiset operators are set operators exclusively for use with nested table objects.  User-defined operators allow creation of your own ... effectively allow the merging of results of two sep- arate queries in the form of <query> operator <query> (more detail and examples in Chapter 13).  UNION [ ALL ] retrieves all rows ... book. This chapter may duplicate parts of other chapters with the intention of including all specific details in a single chapter. Addi- tionally, some of the content of this chapter is common to

Ngày tải lên: 24/12/2013, 12:17

... the ACCEPT or PROMPT commands to prompt for values. iSQL*Plus displays its own prompt. Note: iSQL*Plus allows prompts for input values.  Review and retrieve previous SQL commands by clicking ... style sheet file on the server. In Figure 8.29, all text color is removed, all background colors apart from that in the headings is removed, and all borders are removed from everything but headings. ... through 9.5 show all the different types of single-row func- tions. Functions highlighted and marked with an asterisk ( *INITCAP ) in each figure are discussed in this chapter. Additionally, many functions

Ngày tải lên: 24/12/2013, 12:17

... (starting with Sheryl Crow and ending with James Taylor) appear in Figure 10.17 with a blank space in the SONG_ID and GUESTARTIST_ID. The query could not match any row in the GUESTAPPEARANCE table with ... expression ]) WITHIN GROUP (ORDER BY expression [, expression]) The cumulative distribution of an expression within a group of values A cumulative... above DENSE_RANK(expression [, expression ]) WITHIN ... the SONG table is on the right, all songs are retrieved. Next, this result set is right outer joined to the ART- IST table using the GUESTARTIST_ID. Because not all songs have a guest appearance,

Ngày tải lên: 24/12/2013, 12:17

... regular... commands can be used with the following syntax: { CREATE | ALTER } TABLE … [ NOPARALLEL | PARALLEL [n] ]; Thus the SALES table could be altered to have a degree of parallelism of 2 with ... the following command: ALTER TABLE SALES PARALLEL 2; Note: No parallel query examples are given in this book, because parallel queries tend to execute with improved performance only when using ... before the join of the ARTIST rows with the SONG rows. The query will perform better because the join occurs on a smaller number of rows. 1 Figure 12.9 > ALL with a Subquery. Chap12.fm Page 277

Ngày tải lên: 24/12/2013, 12:17

... 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 Between the Updates. ... object datatypes Object functions do not belong with single-row functions in Chapter 9 or with grouping functions in... in one place Let’s begin with what could be termed simple datatypes 16.1 ... updated.” Note: Updated rows must comply with any constraints defined for a table If one row does not comply, all rows updated by the statement are automatically rolled back You can also update more

Ngày tải lên: 24/12/2013, 12:17

... these Linux systems are configured with most, if not all, network services running immedi- ately after the computer is booted up, and without any access controls in place. For example, for years all ... difficult to break into PAGE 10 STEP 2 Install Linux STEP 2.6 FINAL LINUX INSTALLATION RECOMMENDATIONS s Step 2.6.1 Create a boot diskette One step that many Linux users skip is the creation of ... skip is the creation of an emergency boot diskette The Red Hat installer creates a bootable diskette with a Linux kernel with all of the specific hardware and configuration support for your computer...

Ngày tải lên: 17/01/2014, 08:20

... language and transaction control commands within SQL. You can use SELECT statements to populate variables with values queried from a row in a table. Your DML commands can process multiple rows. Comparing ... Interacting with Oracle 22Ć25 22Ć26 Introduction to Oracle: SQL and PL/SQL Using Procedure Builder Controlling Transactions Control the logic of transactions with COMMIT and ROLLBACK SQL commands, ... discarding all pending changes Syntax ROLLBACK [WORK]; where: WORK is for compliance with ANSI standards Note: A transaction is defined as a sequence of SQL statements Interacting with Oracle

Ngày tải lên: 17/01/2014, 09:20

... 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... it with the WITH READ ONLY clause as in the ... could cause problems with space and perhaps performance if the recycle bin is not regu- larly monitored and cleared. There are several changes to various DDL commands associated with the recycle ... tables marked as SET UNUSED and not physically dropped from tables.  DBA_RECYCLEBIN and USER_RECYCLEBIN. These two metadata views represent all recycle bins for all users and the specific connected

Ngày tải lên: 21/01/2014, 18:20

... objects we shall deal with directly in this book are sequences and synonyms Let’s begin this chapter with sequences, usually called Oracle sequence objects 22.1 Sequences A sequence allows for ... Indexes index. An index object is physically much smaller than the table and is therefore faster to search through because less I/O is required. Additionally, special forms of indexes can be created ... per- formance, it is sometimes more efficient to allow a full table scan when que- rying small tables. The Optimizer will often assess a full table scan on small tables as being more efficient than reading

Ngày tải lên: 21/01/2014, 18:20

... material and examples on how to write programs in PL /SQL It should be noted that the PL /SQL. .. command to execute a DDL command inside a PL /SQL block All DDL commands executed from within a ... some small facts about changing data from within PL /SQL blocks 24.5 Changing Data in PL /SQL Not only can data in tables be changed from within PL /SQL blocks, but there are some small additions ... Roles Figure 23.14 shows the syntax of the CREATE ROLE and ALTER ROLE commands. Options are identical for both commands. Any user with the CREATE ROLE system privilege can create a role. The SYSTEM

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

Ngày tải lên: 21/01/2014, 18:20

... terms of service With the next click of your mouse, you’re all set to start exploring the entire YouTube community as an official YouTuber 11 HOW TO MAKE MONEY WITH YouTube. .. ... from all over the globe, according to the company Of those, 68 million are from the United States 3 HOW TO MAKE MONEY WITH YouTube. .. first page of relevant Google search results within ... YouTube 5 HOW TO MAKE MONEY WITH YouTube ShowMeTheCurry! Hetal Jannu and Anuja Balasubramanian, two 30-something homemakers from suburban Dallas, Texas, are probably much like many

Ngày tải lên: 22/01/2014, 01:20

... with the ls command by using the -l or -o options and programmatically with the stat system call.You can set the per- mission bits interactively with the chmod program 3 or programmatically with ... employees cannot. Linux doesn’t allow you to associate multiple user IDs with a file, so you can’t just create a list of all the people to whom you want to give access and attach them all to the file. You ... executing.The pages allocated to the program were “stuck” in memory. 12 0430 CH10 5/22/01 10:42 AM Page 204 205 10.4 Real and Effective IDs To set the sticky bit programmatically, call chmod with the S_ISVTX

Ngày tải lên: 26/01/2014, 07:20