behavior of the source table

How should he behave in relation to the database? It make batch reading and flow of data? or he runs a single SQL converted from the CQL?

It is advisable to use this for large sets of data for streaming?

Hi Jarell:

table-source (stage table on the epn) facilitates the search for reference/part data in a report database to increase the streaming of events. CQL communication to the database is via JDBC. It does not batch processing. It is not a stream source (but rather a source of traction).

If you need to look for something in the database for a wide of streaming of events set then I wouldn't say it's the optimal strategy. You might be better to load the data in line - you can depreciate the cost of a time loading via research in memory. The problem with the previous strategy is the number of sliders/queries that will be created on the database server.

Hope this helps,

-Vikram.

Tags: Fusion Middleware

Similar Questions

  • Using Merge in oracle 11g this error SQL Error: ORA-30926: failed to get a stable set of rows in the source tables

    whenever I run this code I get this error

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    SQL:

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    Hi all

    Database Oracle 12 c Enterprise Edition Release 12.1.0.1.0 - 64 bit Production 0

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    NLSRTL Version 12.1.0.1.0 - Production 0

    When you use the MERGE clause, if executed more than once, I get the below error

    ORA-30926: failed to get a stable set of rows in the source tables

    create table CBC (nums number, sname varchar2 (10))

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    Insert in src values (2, "c")

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    on (nums = tnum)

    when matched

    then

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    then

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    Select * from tar

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    Someone at - it make a clarification?

    I don't want to insert records into the first time itself. for example, to run the first time he must raise the error. can I do this using MERGE?

    Thank you

    Hello

    O - O wrote:

    Thanks knani, Frank.

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  • Impossible to get a stable set of rows in the source tables

    Hi guys,.

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  • ORA-30926: failed to get a stable set of rows in the source tables

    Hello

    Please suggest me I get the error message when running under code MERG. Please suggest

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    WHEN MATCHED THEN

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    CM CEMLI_CODE_UNIT_EXEC THE GROUP TCM. CEMLI_CODE_UNIT_EXEC,

    CM LAST_USAGE_DT THE GROUP TCM. LAST_USAGE_DT,

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    CM HIT THE GROUP TCM. AFFECTED,

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    CM IMPACT_DESC THE GROUP TCM. IMPACT_DESC,

    CM CEMLI_GROUP THE GROUP TCM. CEMLI_GROUP,

    CM REVISED_COMPLEXITY THE GROUP TCM. REVISED_COMPLEXITY,

    CM RETRO_PLANNED_START_DT THE GROUP TCM. RETRO_PLANNED_START_DT,

    CM RETRO_PLANNED_END_DT THE GROUP TCM. RETRO_PLANNED_END_DT,

    CM RETRO_ACTUAL_START_DT THE GROUP TCM. RETRO_ACTUAL_START_DT,

    CM RETRO_ACTUAL_END_DT THE GROUP TCM. RETRO_ACTUAL_END_DT,

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    CM FUT_PLANNED_END_DT THE GROUP TCM. FUT_PLANNED_END_DT,

    CM FUT_ACTUAL_START_DT THE GROUP TCM. FUT_ACTUAL_START_DT,

    CM FUT_ACTUAL_END_DT THE GROUP TCM. FUT_ACTUAL_END_DT,

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    Thank you

    Shilpa

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    SY.

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