How can I Estimate Table Sizes within Schema (Oracle)












11















I'm trying to estimate the table sizes within my schema (in MB). This is what I have so far:



SELECT table_name, owner, last_analyzed
FROM all_tables


I'm fairly new to SQL so I have no idea how I would go around doing this.



Thank you.










share|improve this question



























    11















    I'm trying to estimate the table sizes within my schema (in MB). This is what I have so far:



    SELECT table_name, owner, last_analyzed
    FROM all_tables


    I'm fairly new to SQL so I have no idea how I would go around doing this.



    Thank you.










    share|improve this question

























      11












      11








      11








      I'm trying to estimate the table sizes within my schema (in MB). This is what I have so far:



      SELECT table_name, owner, last_analyzed
      FROM all_tables


      I'm fairly new to SQL so I have no idea how I would go around doing this.



      Thank you.










      share|improve this question














      I'm trying to estimate the table sizes within my schema (in MB). This is what I have so far:



      SELECT table_name, owner, last_analyzed
      FROM all_tables


      I'm fairly new to SQL so I have no idea how I would go around doing this.



      Thank you.







      oracle






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Jun 23 '11 at 14:02









      Diego RDiego R

      58114




      58114






















          2 Answers
          2






          active

          oldest

          votes


















          10














          Look at the "dba_segments" view (or user_segments if you don't have dba rights). The following query should give you what you're looking for:



          select
          owner as "Schema"
          , segment_name as "Object Name"
          , segment_type as "Object Type"
          , round(bytes/1024/1024,2) as "Object Size (Mb)"
          , tablespace_name as "Tablespace"
          from dba_segments
          order by owner;





          share|improve this answer
























          • Hi Benoit, it worked perfectly thank you. I took a look at the table fields that I could be using, but I wasn't able to find "Owner" or last updated fields. By the way, I used the user_segments view. Would this information be available under dba_segments?

            – Diego R
            Jun 23 '11 at 16:46











          • All segments shown in user_segments are owned by the account you used to log you on, that's why there's no owner column.

            – Benoit
            Jun 24 '11 at 7:35



















          0














          misleading post,where is growth ?its just basic sql to check size






          share|improve this answer








          New contributor




          lucky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.




















            Your Answer








            StackExchange.ready(function() {
            var channelOptions = {
            tags: "".split(" "),
            id: "182"
            };
            initTagRenderer("".split(" "), "".split(" "), channelOptions);

            StackExchange.using("externalEditor", function() {
            // Have to fire editor after snippets, if snippets enabled
            if (StackExchange.settings.snippets.snippetsEnabled) {
            StackExchange.using("snippets", function() {
            createEditor();
            });
            }
            else {
            createEditor();
            }
            });

            function createEditor() {
            StackExchange.prepareEditor({
            heartbeatType: 'answer',
            autoActivateHeartbeat: false,
            convertImagesToLinks: false,
            noModals: true,
            showLowRepImageUploadWarning: true,
            reputationToPostImages: null,
            bindNavPrevention: true,
            postfix: "",
            imageUploader: {
            brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
            contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
            allowUrls: true
            },
            onDemand: true,
            discardSelector: ".discard-answer"
            ,immediatelyShowMarkdownHelp:true
            });


            }
            });














            draft saved

            draft discarded


















            StackExchange.ready(
            function () {
            StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fdba.stackexchange.com%2fquestions%2f3457%2fhow-can-i-estimate-table-sizes-within-schema-oracle%23new-answer', 'question_page');
            }
            );

            Post as a guest















            Required, but never shown

























            2 Answers
            2






            active

            oldest

            votes








            2 Answers
            2






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            10














            Look at the "dba_segments" view (or user_segments if you don't have dba rights). The following query should give you what you're looking for:



            select
            owner as "Schema"
            , segment_name as "Object Name"
            , segment_type as "Object Type"
            , round(bytes/1024/1024,2) as "Object Size (Mb)"
            , tablespace_name as "Tablespace"
            from dba_segments
            order by owner;





            share|improve this answer
























            • Hi Benoit, it worked perfectly thank you. I took a look at the table fields that I could be using, but I wasn't able to find "Owner" or last updated fields. By the way, I used the user_segments view. Would this information be available under dba_segments?

              – Diego R
              Jun 23 '11 at 16:46











            • All segments shown in user_segments are owned by the account you used to log you on, that's why there's no owner column.

              – Benoit
              Jun 24 '11 at 7:35
















            10














            Look at the "dba_segments" view (or user_segments if you don't have dba rights). The following query should give you what you're looking for:



            select
            owner as "Schema"
            , segment_name as "Object Name"
            , segment_type as "Object Type"
            , round(bytes/1024/1024,2) as "Object Size (Mb)"
            , tablespace_name as "Tablespace"
            from dba_segments
            order by owner;





            share|improve this answer
























            • Hi Benoit, it worked perfectly thank you. I took a look at the table fields that I could be using, but I wasn't able to find "Owner" or last updated fields. By the way, I used the user_segments view. Would this information be available under dba_segments?

              – Diego R
              Jun 23 '11 at 16:46











            • All segments shown in user_segments are owned by the account you used to log you on, that's why there's no owner column.

              – Benoit
              Jun 24 '11 at 7:35














            10












            10








            10







            Look at the "dba_segments" view (or user_segments if you don't have dba rights). The following query should give you what you're looking for:



            select
            owner as "Schema"
            , segment_name as "Object Name"
            , segment_type as "Object Type"
            , round(bytes/1024/1024,2) as "Object Size (Mb)"
            , tablespace_name as "Tablespace"
            from dba_segments
            order by owner;





            share|improve this answer













            Look at the "dba_segments" view (or user_segments if you don't have dba rights). The following query should give you what you're looking for:



            select
            owner as "Schema"
            , segment_name as "Object Name"
            , segment_type as "Object Type"
            , round(bytes/1024/1024,2) as "Object Size (Mb)"
            , tablespace_name as "Tablespace"
            from dba_segments
            order by owner;






            share|improve this answer












            share|improve this answer



            share|improve this answer










            answered Jun 23 '11 at 14:18









            BenoitBenoit

            33227




            33227













            • Hi Benoit, it worked perfectly thank you. I took a look at the table fields that I could be using, but I wasn't able to find "Owner" or last updated fields. By the way, I used the user_segments view. Would this information be available under dba_segments?

              – Diego R
              Jun 23 '11 at 16:46











            • All segments shown in user_segments are owned by the account you used to log you on, that's why there's no owner column.

              – Benoit
              Jun 24 '11 at 7:35



















            • Hi Benoit, it worked perfectly thank you. I took a look at the table fields that I could be using, but I wasn't able to find "Owner" or last updated fields. By the way, I used the user_segments view. Would this information be available under dba_segments?

              – Diego R
              Jun 23 '11 at 16:46











            • All segments shown in user_segments are owned by the account you used to log you on, that's why there's no owner column.

              – Benoit
              Jun 24 '11 at 7:35

















            Hi Benoit, it worked perfectly thank you. I took a look at the table fields that I could be using, but I wasn't able to find "Owner" or last updated fields. By the way, I used the user_segments view. Would this information be available under dba_segments?

            – Diego R
            Jun 23 '11 at 16:46





            Hi Benoit, it worked perfectly thank you. I took a look at the table fields that I could be using, but I wasn't able to find "Owner" or last updated fields. By the way, I used the user_segments view. Would this information be available under dba_segments?

            – Diego R
            Jun 23 '11 at 16:46













            All segments shown in user_segments are owned by the account you used to log you on, that's why there's no owner column.

            – Benoit
            Jun 24 '11 at 7:35





            All segments shown in user_segments are owned by the account you used to log you on, that's why there's no owner column.

            – Benoit
            Jun 24 '11 at 7:35













            0














            misleading post,where is growth ?its just basic sql to check size






            share|improve this answer








            New contributor




            lucky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.

























              0














              misleading post,where is growth ?its just basic sql to check size






              share|improve this answer








              New contributor




              lucky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
              Check out our Code of Conduct.























                0












                0








                0







                misleading post,where is growth ?its just basic sql to check size






                share|improve this answer








                New contributor




                lucky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.










                misleading post,where is growth ?its just basic sql to check size







                share|improve this answer








                New contributor




                lucky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.









                share|improve this answer



                share|improve this answer






                New contributor




                lucky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.









                answered 11 mins ago









                luckylucky

                1




                1




                New contributor




                lucky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.





                New contributor





                lucky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.






                lucky is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
                Check out our Code of Conduct.






























                    draft saved

                    draft discarded




















































                    Thanks for contributing an answer to Database Administrators Stack Exchange!


                    • Please be sure to answer the question. Provide details and share your research!

                    But avoid



                    • Asking for help, clarification, or responding to other answers.

                    • Making statements based on opinion; back them up with references or personal experience.


                    To learn more, see our tips on writing great answers.




                    draft saved


                    draft discarded














                    StackExchange.ready(
                    function () {
                    StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fdba.stackexchange.com%2fquestions%2f3457%2fhow-can-i-estimate-table-sizes-within-schema-oracle%23new-answer', 'question_page');
                    }
                    );

                    Post as a guest















                    Required, but never shown





















































                    Required, but never shown














                    Required, but never shown












                    Required, but never shown







                    Required, but never shown

































                    Required, but never shown














                    Required, but never shown












                    Required, but never shown







                    Required, but never shown







                    Popular posts from this blog

                    SQL Server 17 - Attemping to backup to remote NAS but Access is denied

                    Always On Availability groups resolving state after failover - Remote harden of transaction...

                    Restoring from pg_dump with foreign key constraints