How to check the size of the tablespace by query?

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• How to check the performance of query via the command sqlplus prompt

  Hello
  
  I work in the production environment, I want to check the performance of the queries in a production environment, we have no specific tools such as the expliin plan, TK Proff.
  
  I need chek performnce of sqlplus command line query
  
  Please let me know the process of query tuning of sqlplus command promt

  Here to explain plan:

  SQL> explain plan for
    2  select * from employees where employee_id = 170;
  
  Explained.
  
  SQL> select * from table(dbms_xplan.display());
  
  PLAN_TABLE_OUTPUT
  -----------------------------------------------------------------------------------------------
  Plan hash value: 1833546154
  
  ---------------------------------------------------------------------------------------------
  | Id  | Operation                   | Name          | Rows  | Bytes | Cost (%CPU)| Time     |
  ---------------------------------------------------------------------------------------------
  |   0 | SELECT STATEMENT            |               |     1 |    69 |     1   (0)| 00:00:01 |
  |   1 |  TABLE ACCESS BY INDEX ROWID| EMPLOYEES     |     1 |    69 |     1   (0)| 00:00:01 |
  |*  2 |   INDEX UNIQUE SCAN         | EMP_EMP_ID_PK |     1 |       |     0   (0)| 00:00:01 |
  ---------------------------------------------------------------------------------------------
  
  Predicate Information (identified by operation id):
  ---------------------------------------------------
  
     2 - access("EMPLOYEE_ID"=170)
  

  You can also use autotrace, which is super easy:

  SQL> set autotrace on
  SQL> select * from emp;
  
                 EMPNO ENAME      JOB                        MGR HIREDATE
  -------------------- ---------- --------- -------------------- --------------------
                  7369 SMITH      CLERK                     7902 17-DEC-1980 00:00:00
                  7499 ALLEN      SALESMAN                  7698 20-FEB-1981 00:00:00
                  7521 WARD       SALESMAN                  7698 22-FEB-1981 00:00:00
                  7566 JONES      MANAGER                   7839 02-APR-1981 00:00:00
                  7654 MARTIN     SALESMAN                  7698 28-SEP-1981 00:00:00
                  7698 BLAKE      MANAGER                   7839 01-MAY-1981 00:00:00
                  7782 CLARK      MANAGER                   7839 09-JUN-1981 00:00:00
                  7788 SCOTT      ANALYST                   7566 19-APR-1987 00:00:00
                  7839 KING       PRESIDENT                      17-NOV-1981 00:00:00
                  7844 TURNER     SALESMAN                  7698 08-SEP-1981 00:00:00
                  7876 ADAMS      CLERK                     7788 23-MAY-1987 00:00:00
                  7900 JAMES      CLERK                     7698 03-DEC-1981 00:00:00
                  7902 FORD       ANALYST                   7566 03-DEC-1981 00:00:00
                  7934 MILLER     CLERK                     7782 23-JAN-1982 00:00:00
  
  14 rows selected.
  
  Execution Plan
  ----------------------------------------------------------
  Plan hash value: 3956160932
  
  --------------------------------------------------------------------------
  | Id  | Operation         | Name | Rows  | Bytes | Cost (%CPU)| Time     |
  --------------------------------------------------------------------------
  |   0 | SELECT STATEMENT  |      |    14 |   532 |     3   (0)| 00:00:01 |
  |   1 |  TABLE ACCESS FULL| EMP  |    14 |   532 |     3   (0)| 00:00:01 |
  --------------------------------------------------------------------------
  
  Statistics
  ----------------------------------------------------------
          480  recursive calls
            0  db block gets
           92  consistent gets
            9  physical reads
            0  redo size
         1630  bytes sent via SQL*Net to client
          520  bytes received via SQL*Net from client
            2  SQL*Net roundtrips to/from client
            7  sorts (memory)
            0  sorts (disk)
           14  rows processed
  

  This guide has lots of good info:
  http://docs.Oracle.com/CD/B19306_01/server.102/b14211/TOC.htm

• How to check the value of the space of the tablespaces and tables when errors occur?

  Hi Experts,

  For example, lets say we get ORA-01653: unable to extend table of error. How to check the size of the table and a tablespace? And how understanding is full?

  Thanks for your help

  Hello

  Select df.tablespace_name "Tablespace"

  totalusedspace 'Used MB',

  (df.totalspace - tu.totalusedspace) "MB free.

  DF. TotalSpace 'Total MB. "

  round (100 * ((df.totalspace-tu.totalusedspace) / df.totalspace))

  "PCT free."

  Of

  (select nom_tablespace,

  Round (Sum (bytes) / 1048576) TotalSpace

  from dba_data_files

  Group by tablespace_name) df,.

  (select round (sum (bytes) /(1024*1024)) totalusedspace, nom_tablespace)

  from dba_segments

  you group by tablespace_name)

  where df.tablespace_name = tu.tablespace_name

  and df.tablespace_name = "";

  For example, lets say we get ORA-01653: unable to extend table of error. How to check the size of the table and a tablespace? And how understanding is full?

  Is to say clearly to the question (you can let us know what you have understood so we can fix)

  [oracle@machine1 ~] $01653 oerr ora

  01653, 00000, "impossible to extend %s.%s table by %s in %s tablespace»

  * Cause: Failed to allocate a certain measure the required number of blocks for

  a segment of the table in the specified tablespace.

  * Action: Use ALTER TABLESPACE ADD DATAFILE statement to add one or more

  storage of files indicate.

  -Thank you

  Pavan Kumar N

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  How can we check that ESXi is running for RAMDISK and all their disadvantage of this.

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• How to check the status of the import in Windows?

  Hello
  
  Import runs in my box of Wndows. The log file is not updated since long. How to check the status of the import job? FYI its oracle 10g.
  
  And I checked the database which.
  
  FYI
  ===
  Select * from DBA_DATAPUMP_SESSIONS;
  
  no selected line.
  
  Select * from DBA_JOBS_RUNNING;
  
  no selected line
  
  
  Select the username, machine, module, sid, State, event, seq #, session seconds_in_wait $ v where type <>'IMPORT' and username = "AUTOTIME";
  
  no selected line
  
  
  
  Please let me know.

  You actually look at the session of $ v and check the status of the session that is created by the import job.

  Sometimes the underlying tablespace is full, so import session just hangs, it must increase the size of the storage space.

  You should also look at alert.log file and see if there is any error message like "cannot extend table space '.

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  Can someone please clear some doubts.
  
  1. How can we check the number of DDL operations on the database
  
  2. how we check the amount of growth in the size of the database.
  
  3. How can we check the growth of a single table.
  
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  Select startup_time "Startup."
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• How to check the backup?

  Hi, we take each backup to hot day and export the backup via scripts?...
  
  export backup we can check by using the log file, he succeeded...
  But how to check the backup to hot or cold backup is successfully completed?
  
  Help, please...
  
  Published by: user10745179 on February 24, 2010 03:39

  Hello

  CHCK the size of the backup in the backup location...

  Kind regards
  Deepak

• How to find the tablespace that has maxsize UNLIMITED?

  Oracle 9.2
  I'm looking for tablespaces that maxsize UNLIMITED in the dictionary dba_xxxx from view. I want to use SQL to find storage space is not UNLIMTED file. I can't find which table dictionary or what column to indicate what storage space isn't UNLIMITED file?
  
  Please throw some lights.
  Thank you
  S.

  See Note 468096.1 How to check the CanGrow data files the Maxsize unlimited value.
  Oracle limit the number of blocks in a file of data to approximately * 4 million blocks *, so you can run:
  Select file_name in dba_data_files where maxblocks = 4194302;

  HTH

  Enrique

  Published by: Enrique Orbegozo on October 13, 2008 12:10

• Anyone know how to check the date of warranty until when?

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• Satellite A200 - how to check the temperature of the processor fan?

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  Hey mate,

  How to clean the fan exactly? It s advisable to use the jet of compressed air. This could blow the dust of fans cooling and, therefore, it of not necessary to disassemble the laptop.

  In addition if the fan doesn't work anymore it of necessary to replace. You can order spare parts at an authorized service provider.

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