data vs information with examples
Turning Data into Information
Ngày tải lên :
03/10/2013, 00:20
... from: iDATA.ws
Chapter 6 Turning Data into Information
99
To overcome these issues, ADO.NET includes the DataView class. As with the DataTable class,
each DataView exposes a set of DataRow ... Chapter 6 Turning Data into Information
103
Note
In addition to creating custom DataView instances, each DataTable can have its own de-
fault DataView. This data view, located at DataTable.DefaultView, ... confirmed with the
DataTable.AcceptChanges method. The DataRowView.Row property returns the actual row based
on other settings in the DataRowView instance.
Creating a
DataView
To create a DataView...
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PHP-CURL Functions with Examples
Ngày tải lên :
06/10/2013, 09:20
... curl_process( $data)
{
// set up transaction variables
$debugging = 0;
$key = $data[ "keyfile"];
$xml = $data[ "xml"];
$url = $data[ "host"] .':' $data[ 'port']; ... connection closes.
PHP/CURL Book with Examples
<?php
// Example custom_header.php
// Get Secure Page from www.neteller.com
// With Custom Header.
// Copyright http://curl.phptrack.com ... // We'll be returning this
transfer, and the data is binary
$data = curl_exec($ch); // // Grab the jpg and save the contents in the
$data variable
curl_close($ch); // close curl resource,...
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Manage the Explosion of Information with IBM Information Infrastructure
Ngày tải lên :
16/10/2013, 21:15
...
access to
information
Support information
retention policies
Securely share
information
Information
Compliance
Information
Availability
Information
Retention
Information
Security
IBM Information ... previous models
With both SAS and SATA drive
support you can store real-time critical
data and offline archive data more
efficiently
Reduce business risk by protecting
data with RAID 6 support ... Encryption
Simplifies Information Security
4
© 2009 IBM Corporation
Building a Smarter Planet with Dynamic Infrastructure
Intro to Information Infrastructure
13
ProtecTier
Data
Deduplication...
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Tài liệu Oracle SQL Jumpstart with Examples- P1 docx
Ngày tải lên :
24/12/2013, 12:17
... The Data Definition Language (DDL) allows changes to “def-
initional” data or metadata. Metadata is the data about the data.
Metadata is the definition of data objects such as tables along with
their ... 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 Database, and other databases. SQL is pronounced
“sequel” ... contrary, the
object data model is excellent for access to unique data items within
large, highly complex data sets or groups of interlinked objects. In
other words, the object data model is much...
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Tài liệu Oracle SQL Jumpstart with Examples- P2 ppt
Ngày tải lên :
24/12/2013, 12:17
... Ora-
cle Database 10
g
and Oracle Database 9
i
. Without further ado, let’s get
started with Oracle Database 10
g
.
2.1 New Features in Oracle Database 10
g
Oracle Database ... system metadata, or the data
about the data. Metadata contains table structures including column
names, lengths, and datatypes, among many other things. The SYSAUX
tablespace is new to Oracle Database ... contains pointers to data les. If data le pointers in the
data les are behind the Controlfile pointers for the data les, then the data-
files can be recovered using log file entries. When data les are up...
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Tài liệu Oracle SQL Jumpstart with Examples- P3 docx
Ngày tải lên :
24/12/2013, 12:17
... and some simple examples just to get into the swing of things.
4.1 The Basic SELECT Statement
SELECT is the beginning of the SQL command for querying (retrieving)
data from a database table, ... way to ask a question about the
data in a database. Thus a SELECT statement is also called a query
because it quite literally “queries” or asks questions of a database. There
are several uses ... SELECT statement examples using the
MUSIC schema.
Note:
Diagrams and scripts for the MUSIC schema are in Chapter 1 and
Appendix A.
Let’s begin with a query listing all the data in the MUSICCD...
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Tài liệu Oracle SQL Jumpstart with Examples- P4 docx
Ngày tải lên :
24/12/2013, 12:17
...
Sorting Methods
BEGIN
vSPLIT := INSTR(pTIME,':');
vHOURS := TO_NUMBER(SUBSTR(pTIME,1,vSPLIT-1));
vSECONDS := TO_NUMBER(SUBSTR(pTIME,vSPLIT+1));
RETURN vHOURS+(vSECONDS/60);
EXCEPTION ... plan to undo DML changes with a ROLLBACK com-
mand, do not tamper with this setting.
ARRAY[SIZE]
. Sets the number of rows SQL*Plus retrieves as a
block from the database. The default is ... architecture and is com-
monly used with Web-based applications. The client tier is your Web
browser; the middle tier is the HTTP Server; and the database tier is the
Oracle Database 10g Server. Each of...
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Tài liệu Oracle SQL Jumpstart with Examples- P5 docx
Ngày tải lên :
24/12/2013, 12:17
...
CONCAT('Oracle',' Database 10g') = 'Oracle Database 10g'
'Oracle'||' Database '||'10g' = 'Oracle Database 10g'
'My name ... between different
datatypes.
2. The more important and less obvious is that conversion functions
allow the combination of different datatypes into expressions to
produce a single datatype result.
The ... Functions
9.2.4 Datatype Conversion Functions
Before we get to examples and combining of functions, where we often use
conversion functions, we will describe the most useful datatype conversion
functions....
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Tài liệu Oracle SQL Jumpstart with Examples- P6 pptx
Ngày tải lên :
24/12/2013, 12:17
... DEFAULT 0;
vSPLIT INTEGER DEFAULT 0;
vHOURS INTEGER DEFAULT 0;
vSECONDS INTEGER DEFAULT 0;
BEGIN
vSPLIT := INSTR(pTIME,':');
vLEN := LENGTH(pTIME);
vHOURS := TO_NUMBER(SUBSTR(pTIME,1,vSPLIT-1));
Figure ... summarize data into multiple
values based on a sliding window of rows using an analytic clause.
These structures are used most frequently in data warehousing to
analyze historical trends in data. ... those
contained within this chapter. However, some highly complex mutable
joins can be simplified with the use of subqueries. Chapter 12 examines
subqueries.
The next chapter shows you how to summarize data...
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Tài liệu Oracle SQL Jumpstart with Examples- P7 pdf
Ngày tải lên :
24/12/2013, 12:17
... MAXVALUE
ORDER BY CONTINENT_ID;
Oracle Database 10g now allows both FLASHBACK DATABASE
and FLASHBACK TABLE operations, as in the following syntax:
FLASHBACK [ STANDBY ] DATABASE [ database ]
TO { SCN | TIMESTAMP ... more SQL com-
mands that change data. A transaction begins when you execute an SQL
command, changing something in the database. As you make further
changes to table data, you execute additional ... ROLLBACK
command when you do any one of these things:
1. Save your changes to the database with the COMMIT command.
2. Undo your changes with the ROLLBACK command.
Chap15.fm Page 317 Thursday, July 29, 2004...
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Tài liệu Oracle SQL Jumpstart with Examples- P8 docx
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 ... on the fly, based on
data content, and more specifically based on the content of a database. The
content of a database is flexible in terms of what information is stored in
that database. Therefore, ...
Complex and Object Datatypes
16.2 Complex and Object Datatypes
From my perspective, a complex datatype is any datatype not containing a
single scalar value. Thus a complex datatype can be a...
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Tài liệu Oracle SQL Jumpstart with Examples- P9 ppt
Ngày tải lên :
24/12/2013, 12:17
... included to present the usefulness of XML
with respect to both Oracle Database and relational databases in general.
The next chapter will begin coverage of Data Definition Language (DDL)
commands ... be changed in an Oracle
database.
17.2.2 XML and the Database
In this section we examine XML and Oracle Database in three ways: (1)
creating new XML documents in the database; (2) retrieving ... for platform-independent transfer
between multiple databases. However, there are other, faster methods for
achieving this task with Oracle Database.
The beauty of XML is its potential object...
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Tài liệu Oracle SQL Jumpstart with Examples- P10 docx
Ngày tải lên :
21/01/2014, 18:20
... to any data item in a data-
base, thus it can point to other tables. SCOPE IS simply limits
searching to a single table.
WITH ROWID. This option stores a ROWID pointer value with a
REF datatype ... 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 ...
What are metadata views?
There are various examples of views in other chapters. This chapter
describes views in detail. A view is an overlay onto one or more other data
sources. A data source...
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Tài liệu Oracle SQL Jumpstart with Examples- P11 doc
Ngày tải lên :
21/01/2014, 18:20
... fol-
lowing tasks:
Exporting and importing data.
Shutting down and starting up the database.
Database recovery.
SYSTEM
. SYSTEM is the database administrator. This user is fre-
quently ... in a remote database when you include
a database link in the definition of the synonym. A database link is a
direct gateway from one database to another database.
Simplified SQL code
. Code ... chapter).
Monitoring database activity and performance.
Adjusting database parameters (usually to improve performance).
Adding more space to the database.
Feature-Related...
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Tài liệu Oracle SQL Jumpstart with Examples- P12 pptx
Ngày tải lên :
21/01/2014, 18:20
... Changing Data in PL/SQL 549
Chapter 24
Now let’s describe 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 ... Metadata Views
23.4 Metadata Views
This section simply describes metadata views applicable to users, privileges,
and roles. Chapter 19 describes the basis and detail of Oracle Database
metadata ... USER_USERS. Information on the logged-in user. ALL_USERS
and DBA_USERS detail information for all users currently existing
in the database.
USER_SYS_PRIVS. Granted system privileges.
USER_TAB_PRIVS[_MADE|RECD]....
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- explain data and information with examples
- data vs information examples
- data and information with suitable examples
- data and information with examples
- difference between data and information with suitable examples
- distinguish between data and information with examples
- relationship between data and information with examples
- differentiate between data and information with examples
- define data and information with examples
- difference data and information with examples
- explain the difference between data and information with examples
- what is the difference between data and information with examples
- distinguish between data and information with illustrative examples
- difference between data and information with examples
- data vs information vs knowledge examples
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- khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản
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- tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam
- điều tra đối với đối tượng giảng viên và đối tượng quản lí
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