Differnce between DB Backup and generate Script

whats the differnce between DB Backup and generating Script of a database.
Please mention the main diffrence as we know while genearating script we can select tables/procedures of our choice instead of having all while in backup it takes full tables and procedures.

Hi Abhishek,
In addition to others’ posts, we need to know that there are different types of
backup in SQL Server, such as full backup, differential backup, log back up, file backup and so on. It is recommended to back up database on a regular basis, as a well-planned backup
and restore strategy helps protect databases against data loss caused by a variety of failures. You can make
maintenance plans to back up database automatically.
However, generating scripts is not a disaster recovery option. If you encounter some failures about database, you cannot get data back by generating scripts.
Thanks,
Lydia Zhang

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Hi vijay,
u can get lot of information regarding PI and XI in sdn.There already exists a no. of thread.just search with keyword "XI 3.0 and PI 7.0" u can get a lot.
XI 3.0
1. J2Se adapter engine was replaced with J2EE Adapter Engine.
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PI 7.0
1XI renames as Process Integration
2.. Part of Netweaver 2004s.
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SP13 + 14 - SP05
SP15 - SP06
SP16 - SP07
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ref:http://help.sap.com/saphelp_nw04/helpdata/en/cf/9844428e9cbe30e10000000a155106/frameset.htm
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For every release of PI 7.0, there is a parallel Support Pack on XI.
<a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/706005a3-3bd6-2910-91ae-a2016239bdcf">SAP NetWeaver Process Integration 7.1 Overview of New Capabilities</a>
Also check these threads.
Difference between NetWeaver 2004 and NetWeaver 7.0 or 7.1
All the diff between XI 3.0 and PI 7.0
differences between xi 3.0 and pi 7.0
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Hi,
Differnce between AT NEW AND ON CHANGE OF
Iam waiting foryour reply
Thanks & Regards
Raja Sekhar.T

Hai Raja
check the following Documents
1. AT NEW f.
2. AT END OF f.
3. AT FIRST.
4. AT LAST.
5. AT fg.
Effect
In a LOOP which processes a dataset created with EXTRACT , you can use special control structures for control break processing. All these structures begin with AT and end with ENDAT . The sequence of statements which lies between them is then executed if a control break occurs.
You can use these key words for control break processing with extract datasets only if the active LOOP statement is proceesing an extract dataset.
The control level structure with extract datasets is dynamic. It corresponds exactly to the sort key of the extract dataset, i.e. to the order of fields in the field group HEADER by which the extract dataset was sorted .
At the end of a control group ( AT END OF , AT LAST ), there are two types of control level information between AT and ENDAT :
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For extracted number fields g (see also ABAP/4 number types ), the fields SUM(g) contain the relevant control totals.
Notes
The fields CNT(h) and SUM(g) can only be addressed after they have been sorted. Otherwise, a runtime error may occur.
The fields CNT(h) and SUM(g) are filled with the relevant values for a control level at the end of each control group ( AT END OF , AT LAST ), not at the beginning ( AT FIRST , AT NEW ).
When calculating totals with SUM(g) , the system automatically chooses the maximum field sizes so that an overflow occurs only if the absolute value area limits are exceeded.
You can also use special control break control structures with LOOP s on internal tables.
Variant 1
AT NEW f.
Variant 2
AT END OF f.
Effect
f is a field from the field group HEADER . The enclosed sequence of statements is executed if
the field f occurs in the sort key of the extract dataset (and thus also in the field group HEADER ) and
the field f or a superior sort criterion has a different value in the current LOOP line than in the prceding ( AT NEW ) or subsequent ( AT END OF ) record of the extract dataset.
Example
DATA: NAME(30),
 SALES TYPE I.
FIELD-GROUPS: HEADER, INFOS.
INSERT: NAME INTO HEADER,
 SALES INTO INFOS.
LOOP.
AT NEW NAME.
 NEW-PAGE.
ENDAT.
AT END OF NAME.
 WRITE: / NAME, SUM(SALES).
ENDAT.
ENDLOOP.
Notes
If the extract dataset is not sorted before processing with LOOP , no control level structure is defined and the statements following AT NEW or AT END OF are not executed.
Fields which stand at hex zero are ignored by the control break check with AT NEW or AT END OF . This corresponds to the behavior of the SORT statement, which always places unoccupied fields (i.e. fields which stand at hex zero) before all occupied fields when sorting extract datasets, regardless of whether the sort sequence is in ascending or descending order.
Variant 3
AT FIRST.
Variant 4
AT LAST.
Effect
Executes the relevant series of statements just once - either on the first loop pass (with AT FIRST ) or on the last loop pass (with AT LAST ).
Variant 5
AT fg.
Addition
... WITH fg1
Effect
This statement makes single record processing dependent on the type of extracted record.
The sequence of statements following AT fg are executed whenever the current LOOP record is created with EXTRACT fg (in other words: when the current record is a fg record).
Addition
... WITH fg1
Effect
Executes the sequence of statements belonging to AT fg WITH fg1 only if the record of the field group fg in the dataset is immediately followed by a record of the field group fg1 .
Basic form
ON CHANGE OF f.
Addition
... OR f1
Effect
Executes the processing block enclosed by the " ON CHANGE OF f " and " ENDON " statements whenever the contents of the field f change (control break processing).
Normally, you use the statement to manipulate database fields during GET events or SELECT / ENDSELECT processing.
Note
There are special control structures for processing control breaks in LOOP s on internal tables or extract datasets AT ).
ON CHANGE OF is unsuitable for recognizing control levels in loops of this type because it always creates a global auxiliary field which is used to check for changes. This global auxiliary field can only be changed in the relevant ON CHANGE OF statement. It is not reset when the processing goes into loops or subroutines, so unwanted effects can occur if the loop or subroutine is executed again. Also, since it is set to its initial value when created (like any other field), any ON CHANGE OF processing will be executed after the first test, unless the contents of the field concerned happen to be identical to the initial value.
Example
TABLES T100.
SELECT * FROM T100 WHERE SPRSL = SY-LANGU AND
 MSGNR < '010'
 ORDER BY PRIMARY KEY.
ON CHANGE OF T100-ARBGB.
 ULINE.
 WRITE: / '**', T100-ARBGB, '**'.
ENDON.
WRITE: / T100-MSGNR, T100-TEXT.
ENDSELECT.
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Each time the message class changes, it is output.
Addition
... OR f1
Effect
Also executes the code whenever the contents of the field f1 changes.
You can use this addition several times.
Example
Logical database F1S
TABLES: SPFLI, SFLIGHT, SBOOK.
GET SBOOK.
ON CHANGE OF SPFLI-CARRID OR
 SPFLI-CONNID OR
 SFLIGHT-FLDATE.
 ULINE.
 WRITE: /5 SPFLI-CARRID, SPFLI-CONNID,
 5 SFLIGHT-FLDATE, SPFLI-FLTIME,
 5 SFLIGHT-SEATSMAX, SFLIGHT-SEATSOCC.
ENDON.
WRITE: / SBOOK-CUSTOMID.
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Notes
Thanks & regards
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What is the difference between Full backup and lncremental level 0 backup?
what I understand is:
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Similarly full backup backups all the blocks containing data.(does it skip unused blocks ?????).
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Thnaks

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http://asktom.oracle.com/pls/asktom/f?p=100:1:487512552646613::NO:RP::
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