How to collect statistics on the table for tables in a different schema

Similar Questions

• Collect statistics of the table in windows

  Hello

  Could you please help me to collect statistics for the tables below in Windows. I tried collection using dbms_scheduler job for a table, but it is not the collection of statistics for tables.

  TABLE_NAME OWNER

  NUM_ROWS BLOCKS

  Size

  MQRDW DWREFERENCETRACE GO 2891985937 26372904, 17.86

  TRAY PON_SERIAL 563722072 5135734 GB 8,12

  TRAY PON_PSN

  23588517

  32009064 2.67 GB

  TRAY PON_BOM_LOG 37199475 212936 601 MB

  TRAY UNIQUE_ITEM_LOTS 6633907 79710 160 MB

  TRAY PON_BOM

  5921377 41717

  328 MB

  SQL > start

  (2 dbms_scheduler.create_job)

  job_name 3 = > "SCOTT_JOB_SCHEDULE"

  job_type 4 = > "EXECUTABLE."

  5 job_action = > ' begin dbms_stats.gather_table_stats (ownname = > "TRACE3")

  6 tabname = > 'PON_PSN ',.

  estimate_percent 7 = > 30,

  Cascade 8 = > true,

  method_opt 9 = > 'for all THE COLUMNS of SIZE 1.

  10 degrees = > 5,

  11 options = > "BRINGING OUTDATED"); end;',

  12 repeat_interval = > ' freq = daily; byhour = 04; byminute = 0; bysecond = 0; »,

  13 active = > TRUE,

  14 comments = > ' custom stats collection for engine risk ");

  15 end;

  17 N

  PL/SQL procedure successfully completed .

  
  

  Total number of CPU available on this server is 8

  Oracle - 10.2.0.4.0

  OS - windows

  Kind regards

  Bala

  52 million lines?

  and how to change every day or be inserted?

  It is possible that you can never bring his stats again

  and everything will probably continue to work as expected

  read the guide to setting performance to understand why you need to collect statistics and when

  https://docs.Oracle.com/CD/E11882_01/server.112/e41573/stats.htm#PFGRF94714

  After reading this guide, you'll be ready for any question, you get all that against this team

  Sometimes you need to say 'no' and why the answer is 'no '.

• collect statistics of the table

  Hi all
  
  DB version: 10.2.0.4
  OS: AIX 6.1
  
  I want to collect the stats table for a table as the query that uses that table is slow. Also, I noticed that this table is using full table scan, and it has been analyzed in last 2 months back.
  
  I intend to run the query to collect the statistics below. The table has 50 million records.
  COUNT (*)
  ----------
  51364617
  
  I expect that this will take time if I run the query as below.
  
  
  DBMS_STATS.gather_table_stats EXEC ('schema_name', 'table_name');
  
  My doubts specified below.
  
  1. can I use the also estimate_percent parameter to collect statistics?
  
  2 should. how much we indicate for the estimate_percent parameter?
  
  3. what difference it will make if I use the estimate_percent parameter?
  
  Thanks in advance
  
  Published by: user13364377 on March 27, 2012 13:28

  If you are worried about the stats of collection process for a long time running, consider collecting statistics in parallel.

  1. can you use estimate_percent? Sure! Go ahead.
  2. what percentage of use? Why not let the data decide with auto_sample_size? Various "rules of thumb" were thrown around over the years, usually about 10 to 20%.
  3. what difference it will make? Very little, no doubt. Occasionally, you can see where a small sample makes a difference, but in general that it's perfectly ok to estimate its stats.

  Maybe something like this:

  BEGIN
    dbms_stats.gather_table_stats(ownname => user, tabname => 'MY_TABLE',
     estimate_percent => dbms_stats.auto_sample_size, method_opt=>'for all columns size auto',
     cascade=>true,degree=>8);
  END;
  

• Collect statistics on the table with indexes of text only?

  I gathered statistics for a table that contains a text index
  EXEC DBMS_STATS. GATHER_TABLE_STATS (USER, 'CONADDR', estimate_percent = > 10, block_sample = > TRUE, cascade = > TRUE);
  
  There are a lot of tables/indexes not monitored (e.g. DR$ TI_CONADDR$ I). Do I have to analyse the tables there, too? The Guide Tuning Oracle text mentions just to analyze the table of "base".
  
  Oracle DB version is 10.2.0.4.
  

  select table_name, last_analyzed, num_rows from dba_tables where table_name like '%CONADDR%';
  CONADDR     11.08.2010 10:29:37     17944660
  DR$TI_CONADDR$I          
  DR$TI_CONADDR$R          
  DR$TI_CONADDR$K          
  DR$TI_CONADDR$N          
  
  select index_name, table_name, last_analyzed, num_rows from dba_indexes where table_name like '%CONADDR%';
  SYS_IL0003730268C00004$$     CONADDR          
  IDX_CONADDR                     CONADDR     11.08.2010 10:29:46     17106050
  SYS_IL0003731165C00006$$     DR$TI_CONADDR$I          
  SYS_IOT_TOP_3731168             DR$TI_CONADDR$K          
  SYS_IL0003731170C00002$$     DR$TI_CONADDR$R          
  SYS_IOT_TOP_3731173             DR$TI_CONADDR$N          
  DR$TI_CONADDR$X                     DR$TI_CONADDR$I     11.08.2010 10:05:05     67585029
  TI_CONADDR                     CONADDR     11.08.2010 10:29:46     

  DR$ table do NOT need to be analysed - and should not be.

  As "secondary objects", they will not be analyzed by orders based on patterns, and it is strongly recommended to not analyze manually. All commands that access these tables are set correctly without the input of the optimizer.

• How to share data in the tables ' User_ * ' with another schema

  I want to share the data in the table WHERE USER_SEGMENTS with another schema. If I create a view and grant select on the view, when the other schema queries the view data are identical to themselves querying the SYS.user_segments table directly.
  

  create view sys_user_segments as select * from sys.user_segments;
  grant select on sys_user_segments to A;

  My guess is that the SYS.user_segments table is a view based on the current user.
  
  Is there a way to share such data without creating a copy of the table?
  
  Oracle: 10g
  
  Thank you

  If the ADMINISTRATOR is concerned about B access to DBA_SEGMENTS (or by creating DBA_SEGMENTS views that belongs to a user who has access on top and then grant access to this view of B), it seems pretty crazy allow that kind of database connection.

  If you create a database link belonged to B that connects to A, B is, in substance, given any privilege that has exercises. But it is done in a very, very dark which will no doubt be neglected in the future when someone gets a check. He'll be sitting here to wait that someone (accidentally or intentionally) Decides to exploit the security hole and do something that is causing a problem (by removing all data from a table, grabbing all the sensitive data in a table, etc.). Risks of this almost certainly far, far* far * outweigh the risks of even leaving B to obtain direct access to DBA_SEGMENTS.

  Justin

• Compare the table structures in different schemas. help please

  Hi all
  
  I have a question...
  
  
  I have pictures on different schemas something like
  
  
  Diagram A
  -------------
  Table 1
  Table 2
  Table 3
  
  
  Diagram B
  ------------
  Table 1
  Table 2
  Table 3
  
  
  Now situation is table 1 and table 2 will have a similar structure or table 1 in Figure B will have additional columns.
  
  like so... on... for all other tables...
  
  example!
  

  Schema A:
  
  Desc Table 1;
  
  Name                                  Type            Null
  -------------                             -------             -------
  No                                Number            Notnull
  Name                           Varchar2(10)     Not null
  Fee                              Number (10,2)   Not null
  
  
  
  Scheam B;
  
  Desc Table1;
  
  Name                                  Type               Null
  -------------                             -------             -------
  DX_No                                Number            Notnull
  DX_Name                           Varchar2(10)      Not null
  DX_Fee                              Number (10,2)   Not null
  comments                          Varchar(2)        

  Now I need to write some sort of procedure for the thing to compare these tables which are in different in the column names in the schema and get it had exported to an Excel sheet.
  and here it's first three columns SHOULD BE CONSIDERED AS SAME even if the DX_ prefix are from the REST OF the PART OF THE COLUMN NAME IS SAME.
  
  and the same way commit coloumn new schema B only... So it should be noted that excel sheets...
  
  I don't know how the ADO or SQL Developer handle this... Is there any plsql block that I can write to do it...
  
  Thanks in advance...

  Comparison of columns on all the tables in the two schema

  select tc1.owner,tc1.TABLE_NAME,tc1.COLUMN_NAME,
         tc2.owner,tc2.TABLE_NAME,tc2.COLUMN_NAME
  from
    all_tab_columns tc1
    full outer
    join all_tab_columns tc2 on &user1=tc2.owner
                             and tc1.TABLE_NAME=tc2.TABLE_NAME
                             and tc1.COLUMN_NAME like '%'||tc2.COLUMN_NAME
  where
  tc1.owner=&user2
  and tc1.TABLE_NAME in (
                        select t1.table_name
                        from all_tables t1
                        join all_tables t2 on t2.owner=&user2 and t1.table_name=t2.table_name
                        where t1.owner=&user1)
  

  Published by: xtender on 06.11.2010 12:43

• Move the tables to a different tablespace

  Hello
  I created 6 tables with my account in the USERS tablespace. If users wish to access (and he has privileges), it can be accessed as - username.nameoftb.
  Now, I would like to create new tablespace, move there all the USERS tablespace tables and if someone (who has permissions) to have access, it can, but only with the table name. Without using the username who created them.
  
  Could you please help me, how to proceed?
  -move the tables to a different tablespace
  -users can access without using the name of the creator
  
  Thank you!

  1. change the SMSC table. ERSUSERWISESUMMARY move tablespace ERST_01 nologging;

  Can also rebuild the indexes as well.

  ALTER Index SMSC. INDX_ERSDATA_STRTTIME reconstruction tablespace ERSX_01 nologging;

  2 create a synonym for this object

  create public synonym mrbt_activation for owner_name.object_name;

  Concerning
  Asif Kabir

• How to collect statistics for a partition?

  Hi all

  I create a table partition. I need to collect statistics for this partition only. Before I used to analyze it, but now I need to analyze using DBMS_STATS.

  What is the best way to analyze the partition using DBMS_STATS?

  How long will it take to complete?

  How can I estimate the time of accomplishment for DBMS_STATS before starting?

  Thank you

  I create a table partition. I need to collect statistics for this partition only. Before I used to analyze it, but now I need to analyze using DBMS_STATS.

  What is the best way to analyze the partition using DBMS_STATS?

  Follow the documented instructions: INCREMENTIELLE TRUE and GRANULARITY on AUTO.

  See the section "Partitioned objects statistics" the doc of performance tuning

  http://docs.Oracle.com/CD/B28359_01/server.111/b28274/stats.htm#i42218

  With partitioned tables, the new data is usually loaded into a new partition. As new partitions are added and loaded, statistical data must be collected on the new partition and statistics need to be updated. If the INCREMENTAL for a partition table is set to the value TRUE , and collect you statistics on the table with the GRANULARITY parameter defined on AUTO , Oracle will collect statistics on the new partition and update statistics on the overall table by scanning only those partitions which have been modified and not the entire table. If the INCREMENTAL for the partitioned table is set to the value FALSE (the default), then a full table scan is used to maintain the global statistics. It is a highly resource intensive and time-consuming for large party.

  How long will it take to complete?

  No way to know - using an estimate of 10% takes less time than with an estimated of 40%, which takes less time than using 100%.

  How can I estimate the time of accomplishment for DBMS_STATS before starting?

  By comparing the amount of data and the percentage of estimate for the data that you have in the other partitions and the time required to collect statistics on other partitions.,.

• How can I import tables to a different schema in the relational model existing... to add these tables in the existing model? PLSS help

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  David

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• How do I top align the table on the Web page to the top of the browser?

  If you look at www.colonialstock.com, you will see that the Web page was made in a tabular format.  How do I best align the table, then the gray space above the table is removed?

  Add this to your body tag...

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• Join of two tables in two different schemas

  Hi all
  
  I have an obligation to join two tables on two different schemas. How to join these two tables in the object view.
  
  Thanks in advance.
  
  Concerning
  Kaushik Guillaumin

  You can do just that using schema name in the +' view object.table name ' + according to the query object and also grant select the another schema to this schema user

  ex
  you need schem is test and another Act you need to a view object based on the test to join a table on shcema Act

  you write semply object sql view code:

  Act.table name

  and you can also give him select statement on Bill schem table to test

  concerning