define data information knowledge wisdom explain with example
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 ... &
PHP/CURL Book with Examples
<?php
// Example 010
// Bug Tracking with Viewing Whats Header passed and Returns
// Copyright...
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Tài liệu From Data to Knowledge and Back Again: Understanding the Limitations of KMS pdf
Ngày tải lên :
20/12/2013, 19:15
... constructed and institutional
nature and context of knowledge. The findings lend weight to the claim that information tech-
nology deals with data only, and knowledge management requires social as opposed ... create
knowledge out of their commitment to process
what this IT professional referred to as information
in context.’ Not objectified knowledge, captured
and transferred by IT, simply information ... and technicians to
apply their experiential knowledge of the product
Knowledge and Process Management
148 T. Butler
information and, implicitly, knowledge, albeit nar-
rowly, in the context...
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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
... that matches the
datatype of the original column. For example, the code snippet below is
invalid because the literal cannot be translated into a date. There is no such
date with a value UNKNOWN.
... 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...
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Tài liệu Oracle SQL Jumpstart with Examples- P4 docx
Ngày tải lên :
24/12/2013, 12:17
... in the form of summary
data (subtotals) added at the break points. Summary information is added
by using the COMPUTE command. This command can only be used in
conjunction with the BREAK command. ... 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 ... of connecting across the Internet with ease.
Here is an example of the HTML code to call our CDREPORT.SQL
script. You must change the hostname, port number, and database name to
suit your installation....
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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 ... 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. ... 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...
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Tài liệu Oracle SQL Jumpstart with Examples- P6 pptx
Ngày tải lên :
24/12/2013, 12:17
... 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. For example, ... from single-row functions in that group func-
tions work on data in sets, or groups of rows, rather than on data in a single
row. For example, you can use a group function to add up all payments
made ... picture onto a set of data, applying analysis to
that data window subset only.
In fact, looking at the syntax diagram in Figure 11.6, the mind boggles
at what can be done with the OVER clause.
Figure...
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Tài liệu Oracle SQL Jumpstart with Examples- P7 pdf
Ngày tải lên :
24/12/2013, 12:17
... sequence reference within a SELECT
statement list. For example, ‘My name is Joe.’
Compounding
. A compound expression is multiple expressions put
together with operators. For example, 10 + ... 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...
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Tài liệu Oracle SQL Jumpstart with Examples- P8 docx
Ngày tải lên :
24/12/2013, 12:17
... string data values that are
too large for VARCHAR2 datatypes.
Table 16.2
Oracle Complex Binary Object Datatypes.
Datatype Parameters Example
BLOB
None
BLOB
Stores unstructured data ... 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, ... watermark.
340
16.1
Simple Datatypes
Table 16.1
Oracle Simple Datatypes.
Datatype Parameters Example
VARCHAR2(n)
n = 1 to 4,000 VARCHAR2(25)
Text string with variable length up to...
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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 ... remove all the rows in a table without disturbing
the table’s structure. For example, you may have a table that is loaded with
rows from an external file of billing data at the beginning of each...
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Tài liệu Data Center Optical Distribution Frame with Plug-and-Play Cassettes docx
Ngày tải lên :
17/01/2014, 10:20
... 5 / 0 7 ã 1 0 3 9 8 0 A E
Data Center Optical Distribution Frame
TrueNet
đ
Data Center Optical Distribution Frame with Plug-and-Play Cassettes
2
w w w . a d c . c o m ... to 70° C (32° to 158° F)
5 / 0 7 ã 1 0 3 9 8 0 A E
Data Center Optical Distribution Frame
TrueNet
đ
Data Center Optical Distribution Frame with Plug-and-Play Cassettes
3
w w w . a d c . c o m ...
NOTE
1. For ease of illustration the Type-A cable is shown with a twist. This is the same cable construction shown in Figure 6.
Example Optical Path
A-to-B Patch Cord
Type-A Array
Connector...
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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
... 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 ... 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 PL/SQL blocks, but
there are some small ... UTL_COMPRESS. Allows data compression.
UTL_MAIL. Simplifies e-mail from within PL/SQL such that
protocol detail is no longer required.
24.10 Metadata Views
This section simply describes metadata views...
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