Disabling Indexing for a DSL

Hi All,
My model base is huge(lots of xtext resources), it also contains generated files which are once again xtext files. So when i do a clean build, is there a way that i can ignore indexing of some xtext resources.
For Ex :
I have .a, .b, .c, .d files in my project
.a and .b are used for code generation, whereas .c and .d are generated(But they are also xtext DSL) . So is there a way to stop indexing for .c and .d files.
Also, May i should need to reenable them when i require ?(Just curious about this )
Thanks Guys

Hi
Why?
Surely it only makes indexing, and lookups using the index useless? But
that was the point of disabling in the first place.
Regards
Ed Willink
On 11/08/2015 16:54, Christian Dietrich wrote:
> Btw completely disabling makes your dsl useless

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Disabling spotlight for Time Capsule

Hi,
I need to disable (please do not ask the reason, I just need) indexing for backups on the Time Capsule. I know that the help on Spotlight says Time Machine needs spotlight bla bla... and, it can't disable indexing for this. I just don't beleive it, because when I disable spotlight for good with the following command:
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time machine continues to function just fine. Everything seems perfect as far as the time machine is concerned. However, other apps (like Mail) which relies on spotlight for searching forced me to reenable the spotlight (with the following command) with tears in my eyes:
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By the way I tried the following methods without any success, so do not bother to recommend them:
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So, you've read through the FAQs and couldn't find a solution, eh? Sorry, but I don't use TM nor do I muck with CLI commands that I don't fully comprehend. You'll have to wait for someone more knowledgeable to pop in.

Disable content indexing for passive nodes

I have three node DAGs where one node is DR in another site.
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Hi RAY1357,
Great information from JasonApt.
We can disabled on a specific mailbox database by using EMS:
Set-MailboxDatabase <name> -IndexEnabled:$False.
To disable indexing completely on a mailbox server, we can just stop the "Microsoft Exchange Search Indexer" service.
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Exchange 2007 Search - Part 2: Content Indexing
http://blogs.technet.com/b/exchangesearch/archive/2010/07/02/exchange-2007-search-part-2-content-indexing.aspx
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Mavis Huang
TechNet Community Support

Is it possible to disable support for VLV indexes?

Is it possible to disable the support for VLV indexes?
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thanks - mo

I think there are a couple of ways to go about this.
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Actually, if the bound user does not have permission to use the control, there might be an argument to make that the server shouldn't return the control as supported when the root dse is queried by that user.
The best solution is probably a combination of the two complemented (ideally) with modification to the client that prevents it from sending the VLV control. Since presumably the client is sending the VLV in order to accomplish a client side task, simply causing the VLV to fail may not produce the best results from the end user's perspective.

Disabling Indexes

Hi,
in 10g R2,
it is said that the following WHERE clause will disable index :
WHERE ''|| column >=valueBut when I use it the explain plan does not change :
SQL> EXPLAIN PLAN FOR
2 select EMPLID, NAME FROM sysadm.PS_NAMES WHERE EMPLID >= 'PA001';
Explained.
SQL> SELECT PLAN_TABLE_OUTPUT FROM TABLE(DBMS_XPLAN.DISPLAY());
PLAN_TABLE_OUTPUT
Plan hash value: 170795870
| Id | Operation            | Name     | Rows | Bytes | Cost (%CPU)| Time
|
PLAN_TABLE_OUTPUT
|   0 | SELECT STATEMENT     |          |   164 | 5576 |    71   (2)| 00:00:01
|
|* 1 | INDEX FAST FULL SCAN| PS0NAMES |   164 | 5576 |    71   (2)| 00:00:01
|
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
   1 - filter("EMPLID">='PA001')
13 rows selected.And with that trick :
SQL> EXPLAIN PLAN FOR
2   select EMPLID, NAME FROM sysadm.PS_NAMES WHERE ''||EMPLID >= 'PA001';
Explained.
SQL> SELECT PLAN_TABLE_OUTPUT FROM TABLE(DBMS_XPLAN.DISPLAY());
PLAN_TABLE_OUTPUT
Plan hash value: 170795870
| Id | Operation            | Name     | Rows | Bytes | Cost (%CPU)| Time
|
PLAN_TABLE_OUTPUT
|   0 | SELECT STATEMENT     |          |   164 | 5576 |    71   (2)| 00:00:01
|
|* 1 | INDEX FAST FULL SCAN| PS0NAMES |   164 | 5576 |    71   (2)| 00:00:01
|
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
   1 - filter(''||"EMPLID">='PA001')
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Thank you.

The reason why it does not work for you is, I suspect, because you have an index on all the columns you use in your query. In that one instance, there is absolutely no need to look in the table at all as all the information is available in the index.
Judging from your explain plans, that is exactly what is happening in your case (there is no Table lookup once the index has been accessed, you see!).
Eg:
SQL> create table test1 (col1 number,
2                      col2 varchar2(20),
3                      col3 number,
4                      col4 number,
5                      col5 number,
6                      constraint test1_pk primary key (col1));
Table created.
SQL>
SQL> insert into test1
2 select level, 'name_'||level, level, level + 1, level + 2
3 from dual
4 connect by level <= 10000;
10000 rows created.
SQL>
SQL> commit;
Commit complete.
SQL>
SQL> create index test1_idx on test1 (col1, col2);
Index created.
SQL>
SQL> explain plan for
2 select col1, col2
3 from   test1
4 where col2 >= ''||'name_9990';
Explained.
SQL>
SQL> select * from table(dbms_xplan.display);
PLAN_TABLE_OUTPUT
Plan hash value: 1755968961
| Id | Operation        | Name      | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT |           |    10 |   250 |   100 (53)| 00:00:01 |
|* 1 | INDEX FULL SCAN | TEST1_IDX |    10 |   250 |   100 (53)| 00:00:01 |
Predicate Information (identified by operation id):
   1 - access("COL2">='name_9990')
       filter("COL2">='name_9990')
Note
   - dynamic sampling used for this statement
18 rows selected.
SQL>
SQL> explain plan for
2 select col1, col2
3 from   test1
4 where col2 >= ''||'name_9990';
Explained.
SQL>
SQL> select * from table(dbms_xplan.display);
PLAN_TABLE_OUTPUT
Plan hash value: 1755968961
| Id | Operation        | Name      | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT |           |    10 |   250 |   100 (53)| 00:00:01 |
|* 1 | INDEX FULL SCAN | TEST1_IDX |    10 |   250 |   100 (53)| 00:00:01 |
Predicate Information (identified by operation id):
   1 - access("COL2">='name_9990')
       filter("COL2">='name_9990')
Note
   - dynamic sampling used for this statement
18 rows selected.
SQL>
SQL> explain plan for
2 select col1, col2
3 from   test1
4 where col3 >= 9990;
Explained.
SQL>
SQL> select * from table(dbms_xplan.display);
PLAN_TABLE_OUTPUT
Plan hash value: 3852271815
| Id | Operation         | Name | Rows | Bytes | Cost (%CPU)| Time     |
|   0 | SELECT STATEMENT |       |    11 |   418 |   152 (35)| 00:00:01 |
|* 1 | TABLE ACCESS FULL| TEST1 |    11 |   418 |   152 (35)| 00:00:01 |
Predicate Information (identified by operation id):
   1 - filter("COL3">=9990)
Note
   - dynamic sampling used for this statement
17 rows selected.
SQL>
SQL> drop table test1;
Table dropped.

Disable BWA for Updates

Hello BWA Experts:
We are planning to do updates to our BWA appliance in a couple of weeks. Last time we did this, I remember that we had issues with our users getting error messages about BWA being unavailable when they ran queries against things that were typically indexed in BWA (because the appliance was down for maintenance).
I know that you can exclude using BWA for a given query, or for an entire InfoCube ... but is there a "Best Practice" way to take BWA globally out-of-service to do maintenance on it? (FYI -- We have several InfoCubes indexed in BWA, as well as several "Query as InfoProvider" query snapshots indexed in the Explorer part of our BWA appliance).
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Thank you!
Laurie Reid

Hi Laurie,
Well I have created a SAP note that mentions several ways that you can turn off BWA:
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Thanks,
Diego.

Error in apply process while indexing for table

Hi,
I have successfully implemented downstream capture-apply process from 11g to 11g.
But, my apply process is aborting due to following error:-
ORA-01435: user does not exist
for LCR Error:
alter index testuser.batchload_stat rebuild
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Hi,
Unfortunately, I have no idea how you could disable index rebuilt. But, since testuser doesn't exist on your target database, why don't you exclude his schema from replication?

How to disable index defined on a stsndard table j_1ipart2?

Dear Friends,
I am using a stndard table j_1ipart2 for updating line items for GL account.I am using a hashed type internal table for this purpose.But There is already two indexes defined. and they are not useful to me.So I just want to disable these indexes for my hashed type internal table for better perfomance.Plz guide me urgenty.
Also if possible send me sample coding structure...............!!!!!
For better understanding problem write to me
Thanks&Regards
Ricky

Hi Ricky,
You dont have to bother about the index selection.The database optimizer will select the best index for your selection.
Reward Points if helpful,
Regards,
jinesh.

Disable indexes before imp

I am importing large tables from a dmp file created by the exp utility. I would like to disable indexes on these tables for the time of import. I tried "alter index ... unusable", but then the imp utility complains, displays the error message that an index is unusable and doesn't do the import.
Do I have to drop indexes? Then my understanding is that I would have to save the SQL statements to recreate these indexes, correct? Or is there a better solution to speed up the import? Some tables have 40 million records.

Does the table (and it's indexes) pre-exist before running the import ?
If you are on 10g and above, the instance parameter SKIP_UNUSABLE_INDEXES should default to TRUE and should allow Insert with all Indexes (other than PK and Unique) as UNUSABLE. PK and UNIQUE Indexes have to be dropped before the import.
You can generate the CREATE INDEX statements by running imp with the indexfile option. This allows you to generate a script file that has the CREATE INDEX statements.
imp user/password file=export.dmp indexfile=CREATE_INDEXES.sqlHemant K Chitale
Edited by: Hemant K Chitale on Feb 1, 2011 10:11 PM

Verizon refuses to disable ASSIA on my dsl line

For the past 8 months I've had problems with the internet speed lowering, so once a month I've had to call Verizon tech to trouble shoot and reset my line. Same thing for months! Anyway, this past week they sent a tech out to check my lines, and as usual, nothing is wrong (they've come out many times). So...they decide to send out yet another Actiontec GT784WNV, my current one is only 3 months old, the previous one was barely a year old! They keep saying it's the modems! And the thing is tech has actually said they see nothing wrong with my modem, then I get transferred to someone else saying it is the modem! It just goes around and around.
I've spent hours upon hours talking with tech and there's never a solution. I came here to the forums looking for anything that might help... I came across a few posts regarding ASSIA, that's the program that Verizon uses to "optimize" the dsl line and it seems that is what might be causing the problem on my line. In the posts about ASSIA people have said to call Verizon and get them to disable ASSIA on the dsl line and to get the speed reset. It looks like the people with my problem that have gotten it disabled has fixed the issue. So, I decide to give it a try, and call Verizon to get it disabled. Nope, they won't do it because it cannot be done. I pointed out that other customers have had it done, still no. Then they gave me another excuse: they WON'T disable it because it's not part of their troubleshooting. They keep escalating the issue (3 times this week alone) but nothing is ever fixed and I never get called back! And when I came across the one thing that might actually fix the problem they refuse to do it!! I even showed the phone tech the pages on the Verizon forum where they are talking about ASSIA and how disabling it has helped (we were on screen sharing) and that was completely ignored. Unbeliveable!
I'm on a dry loop and my line is provisioned for 7 mbs.
So here I am posting this because Verizon phone tech will not help.
Solved!
Go to Solution.

Your issue has been escalated to a Verizon agent. Before the agent can begin assisting you, they will need to collect further information from you.Please go to your profile page for the forum, and look in the middle, right at the top where you will find an area titled "My Support Cases". You can reach your profile page by clicking on your name beside your post, or at the top left of this page underneath the title of the board.
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Please keep all correspondence regarding your issue in the private support portal.

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Hi, while loading data through SQL*loader using DIRECT path, the index on the table gets disabled if the data was bad. I am deleting the bad data from the table. Now I want to get the disabled indexes on that table and re-enable them. how to do this?

Hmm...
satyaki>
satyaki>select * from v$version;
BANNER
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod
PL/SQL Release 10.2.0.1.0 - Production
CORE    10.2.0.1.0      Production
TNS for Linux: Version 10.2.0.1.0 - Production
NLSRTL Version 10.2.0.1.0 - Production
Elapsed: 00:00:00.02
satyaki>
satyaki>create table ttest
2      (
3        a_no number(4) not null,
4        constraints ck_ano primary key(a_no)
5      );
Table created.
Elapsed: 00:00:00.02
satyaki>
satyaki>
satyaki>select index_name
2     from user_indexes
3     where table_name = upper('ttest');
INDEX_NAME
CK_ANO
Elapsed: 00:00:00.00
satyaki>
satyaki>
satyaki>alter index ck_ano unusable;
Index altered.
Elapsed: 00:00:00.01
satyaki>
satyaki>
satyaki>select status, index_name
2     from user_indexes
3     where table_name = upper('ttest');
STATUS   INDEX_NAME
UNUSABLE CK_ANO
Elapsed: 00:00:00.00
satyaki>
satyaki>
satyaki>alter index CK_ANO rebuild;
Index altered.
Elapsed: 00:00:00.01
satyaki>
satyaki>
satyaki>select status, index_name
2 from user_indexes
3 where table_name = upper('ttest');
STATUS   INDEX_NAME
VALID    CK_ANO
Elapsed: 00:00:00.00
satyaki>
satyaki>Regards.
Satyaki De.

[SOLVED] Disable systohc for mythtv acpi-wakeup

Hey guys.
I need your help to disable writing system time to Bios when doing a shutdown. I followed this guide to do most configs.
http://www.mythtv.org/wiki/index.php/ACPI_Wakeup
There is a section "Disable hwclock updates " for disabling this for various Distris, but not for Arch. So i searched for rc-scripts with similar content and found /etc/rc.shutdown containing:
HWCLOCK_PARAMS="--systohc"
if [ "$HARDWARECLOCK" = "UTC" ]; then
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HWCLOCK_PARAMS="$HWCLOCK_PARAMS --localtime"
fi
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stat_done
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Last edited by boomshalek (2011-02-28 18:50:08)

After 3 years I took a new approach with ARCH
I guess commenting
# /sbin/hwclock $HWCLOCK_PARAMS
will do the trick

Multi-column Index vs One index for each column

Hello everyone,
i have one table about 20 000 000 rows, some developers have to generate reports on it and i want to create indexes on this table.
The table has 34 columns, no primary key, no unique keys.
The "where..." clause of the reports usually use 8 columns but some reports uses 8 + some other columns.
can any one help me on what kind of indexes do i have to create?
1. one index for each column used in "where clause"
2. one index for 8 columns and some other indexes for other used columns
3. one index for all columns
or something else etc...
br flag

i have one table about 20 000 000 rows, some developers have to generate reports on it and i want to create indexes on this table.
The table has 34 columns, no primary key, no unique keys.
The "where..." clause of the reports usually use 8 columns but some reports uses 8 + some other columns.
can any one help me on what kind of indexes do i have to create?
1. one index for each column used in "where clause"
2. one index for 8 columns and some other indexes for other used columns
3. one index for all columns
or something else etc...What's the version of your data base? what kind of database you have, DWH or OTLP? The answer might depend on the type of database as far as bitmap indexes might suit or might not depending if you are runing DWH or OLTP kind of database
Let me suppose that you are runing OLTP database and you have a where clause with 8 columns.
1) are all those where clause equalities (where col1 = and col2 =) or there are inequalities?
2) could you evaluate the most repetitive columns?
3) could you know the column that could have the best clustering factor (the column which most follow a certain order in the table)
Based on that I would suggest to create one b-tree index having 8 columns (even though that it seems for me to high) this index should follow the following points:
1) put the most repetitive column at the leading edge (and compress the index if necessary)
2) put the columns that are used in equalitity predicate first
3) put the column having the best clustering factor first
The most precise index you have the best access you could gain.
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Best regards
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www.hourim.wordpress.com

Can Oracle be forced to use the spatial index for sdo_filter in combination with an or clause? Difference between Enterprise and SE?

We’re seeing the following issue: sql - Can Oracle be forced to use the spatial index for sdo_filter in combination with an or clause? - Stack Overflow (posted by a colleague of mine) and are curious to know if this behaviour is due to a difference between standard and enterprise, or could we doing something else wrong in our DB config.?
We have also reproduced the issue on the following stacks:
Oracle SE One 11.2.0.3 (with Spatial enabled)
Redhat Linux 2.6.32-358.6.2.el6.x86_64 #1 SMP Thu May 16 20:59:36 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
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Kindest Regards,
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In my experience sdo_filter ALWAYS uses the spatial index, so that's not the problem. Since you did not provide the explain plans, we can't say for sure but I think yhu is right: Standard Edition can't use the bitmap operations, and thus it'll take longer to combine the results of the two queries (because the optimizer will surely split this OR up in two parts, then combine them).
BTW: when asking questions about queries here, it would be nice if you posted the queries here as well, so that we do not have to check another website in order to see what you are doing. Plus it will probably get you more answers, because not everyone can be bothered to click on that link. It would also have been nice if you had posted your own answer on the other post here as well, because my recommendation would have been to use union all - but since you already found that out for yourself my recommendation would have been a little late.

Not able to figure out the table index for Edit table User Properties Dialo

Studio Edition Version 11.1.1.0.0
Build JDEVADF_MAIN.D5PRIME_GENERIC_080403.0915.4920
I'm trying to automate the various features in Jdeveloper dialogs. At one point I got struck with table in Edit Table Dialog.
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Automation Tool: JFCUnit
Could you please tell how can I put values in some of the fields and select the values from the drop downs.
Kindly let me know if you need any more Information for the same.

Hi,
if you are from Oracle, please use an internal forum. If not, the JDeveloper 11 forum is at: JDeveloper and OC4J 11g Technology Preview
Frank

Disabling Indexing for a DSL

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