Stuck between the SQL Setup and and SQL statement

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• What is the difference between the sql statement

  What is the difference between below sql statements, get the output of these statements
  
  In the test table will have 55 columns
  
  Select count (*) from test_table
  
  Select count (1) into test_table
  
  Select count (10) into test_table
  
  Select count (100) in test_table
  
  Select count (100000) into test_table
  
  Thank you
  
  Published by: Balajiraam on December 28, 2011 20:51
  
  Published by: Balajiraam on December 28, 2011 21:02

  Hello
  This will be useful for you

  http://asktom.Oracle.com/pls/asktom/f?p=100:11:0:P11_QUESTION_ID:1156151916789 #25335122556076

  Kind regards
  Fame

• Any difference between the separate function and aggregation in sql query cost?

  Hello
  I've run many models sql stmts - such as:
  one) using a single table
  (b) using the two tables, using simple joins or outer joins
  
  but I didn't notice a difference in sql stmts in cost and implementation plan...
  In any case, my colleague insists on only using the aggregate function is less expensive compared to
  separate... (something I've not confirmed, that is why I believe that they are exactly the same...)
  
  For the situation described above under 1 sql... We could for example use
  

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   from emp

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   from emp
  
   group by deptno

  select distinct owner, object_type from all_objects

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  group by owner, object_type

  Have you ever found no difference between the two...?
  
  Note: I use Ora DB 10g v2.
  
  Thank you
  SIM

  Alexandre Gelin says:
  function separate and aggregation are for different uses and can give the same result, but if you use the aggregate function to get the separate records, it will be expensive...

  really? I find them almost identical to 11g. Actually GROUP BY is almost always more fast for me in the old days.

  article about this askTom Re: any difference between the separate function and aggregation in sql query cost?
  This applies mainly to the older oracle versions http://www.oracle.com/technology/products/rdb/pdf/distinct_derivedtables_groupby_sort_tech_article.pdf

• copy and paste the sql statement into sql * more

  How do you paste the sql statement into sql * more... I tried the following options, get the windows interface for this sequel to the documentation below, but that did not work
  
  http://download.Oracle.com/docs/HTML/A88829_01/ch3.htm
  
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  And check if you have the correct path.

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• Exchange of data between the main VI and sub - VI

  It is my first attempt to build a comprehensive program and hope you can help me.

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