all_tab_comments
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Thread: all_tab_comments

  1. #1
    Join Date
    Sep 2006
    Posts
    1

    all_tab_comments

    Can someone tell me how all_tab_comments selects records?

    I login to sql*plus and do a "select * from all_tables where name = 'LOCATION' and I get the table. I can do a describe, etc on it with no problem.

    When I do a "select * from all_tab_comments where name = 'LOCATION'" I get no results.

    The problem is that the tool that I am using uses the a query against all_tab_comments to display tables and my tables are not showing up.

    Any help would be appreciated!

    Frank

  2. #2
    Join Date
    Apr 2001
    Location
    Bangalore, India
    Posts
    727
    Code:
    SQL> SELECT COMMENTS FROM all_tab_comments WHERE TABLE_NAME='A';
    
    COMMENTS
    --------------------------------------------------------------------------------
    SQL> comment on table a is 'This is  a table';
    
    Comment created.
    
    SQL> SELECT COMMENTS FROM all_tab_comments WHERE TABLE_NAME='A';
    
    COMMENTS
    --------------------------------------------------------------------------------
    This is  a table
    There may not be any comments. Add comments and still not coming post the outputs without editing.
    Thomas Saviour(royxavier@yahoo.com)
    Technical Lead (Databases)
    Thomson Reuters (Markets)

    http://ora600tom.wordpress.com/

  3. #3
    Join Date
    Feb 2003
    Posts
    63
    I enforce users document there tables with comments so it is easier to work out what the tables are used for, then I monitor the objects created in case they don't follow the procedure

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