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    Connor McDonald

    Data Base Size

    I need to report the database sizing to our management. Following are the questions: 1) Total space allocated and used for each Database instance (We have 14 each for 3 applications) 2) How is the growth pattern over the last few years. Year to Year change. My answer is 1) Run th...
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    Connor McDonald

    RMAN CAPABILITIES

    Hi Tom, good morning My question is very clear and generic, and very important for me due to a current discussión in my team: We have a database in the followint situation, the worst scenario, I guess: - standalone (no RAC, no Dataguard) - Only one disk with all inside: data, fla...
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    Connor McDonald

    SQL query optimization

    Hi Tom, Suppose I am having following SQL query UPDATE TB38O SET G000KE = (SELECT TB39G.A6000D FROM TB39G WHERE TB39G.A0020C = TB38O.A020KF AND TB39G.A0090C = TB38O.A090KF AND TB39G.A1010Y = TB38O.B010KF AND TB39G.A6000Y = TB38O.G000KF AND TB39G.A0230Z = TB38O.A230KF AND TB39G.
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    Chris Saxon

    How to Use Count(Distinct) for Oracle Analytic View Aggregations

    Hi. I'm using Oracle Analytic Views (from 19c) as defined here: https://docs.oracle.com/en/database/oracle/oracle-database/19/dwhsg/overview-analytic-views.html I can create measures with simple aggregations (eg: SUM, COUNT, MIN), but I can't create a measure that collates COUNT(...
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    Chris Saxon

    How to exclude a list of tables in DBMS_STATS.GATHER_SCHEMA_STATS ?

    Hello, Is there any way to exclude a list of tables while doing DBMS_STATS.GATHER_SCHEMA_STATS? DBMS_STATS.LOCK_TABLE_STATS doesn't answer my need exactly. Best regards, Amine
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