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How do I transfer statistics from one database to another?

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How do I transfer statistics from one database to another?

In this Document

  1. Create the STATS table.
  2. Export the statistics to the STATS table.
  3. Export the STATS table using export(exp) or datapump(expdp)
  4. Transfer the dump file to the destination database.
  5. Import the STATS table to the destination database.
  6. Import the statistics into the data dictionary.
  7. Changing the schema name.

How do I export table stats?

Step by Step Export of Database Statistics

  1. Log onto the database. sqlplus ‘/ as sysdba’
  2. Create a table to hold the exported statistics. SQL> exec DBMS_STATS.CREATE_STAT_TABLE(‘
    ‘,”,’

  3. Export the database statistics.

    4. What is import and export schema in Oracle statistics?

    Export and Import schema statistics from one database to another

    1. On Source.
    2. Environment.
    3. On Target.
    4. Delete the stats before import on target server.
    5. Step 1: Create table to store statistics.
    6. Step 2: Export schema stats – will be stored in the ‘STATS_TABLE’
    7. Step 3: Export the table STATS_TABLE using datapump.

    What is import and export statistics in Oracle 11g?

    How to export and import statistics in oracle

    1. DEMO:
    2. create a table to store the stats:
    3. Now export the statistics of the table RAJ.
    4. Now take expdp of this stats table(STAT_TEST)
    5. Move the dump file from PROD to TEST machine and import the same.
    6. Now import the statistics in database:
    7. For database :
    8. For schema:

    How to export and import statistics in Oracle demo?

    How to export and import statistics in oracle DEMO: create a table to store the stats: Now export the statistics of the table RAJ.TEST to stats table ( STAT_TEST) Now take expdp of this stats table(STAT_TEST) Move the dump file from PROD to TEST machine and import the same Now import the statistics in database: For database : For schema:

    4. How to import tabletable with no rows (0 row) in Oracle 11g?

    Table with no rows (0 row), will not be imported by using “exp” and “imp” command in Oracle database 11g. According to Oracle documentation, which can be found here, says that “exp” and “imp” command are deprecated. So, they recommend to use “expdp” and “impdp” command.

    What Optimizer statistics should I enable in Oracle?

    Oracle recommends that you enable automatic optimizer statistics collection. In this case, the database automatically collects optimizer statistics for tables with absent or stale statistics. If fresh statistics are required for a table, then the database collects them both for the table and associated indexes.

    What happens when statistics are updated in Oracle Database?

    When statistics are updated for a database object, Oracle Database invalidates any currently parsed SQL statements that access the object. The next time such a statement executes, the statement is re-parsed and the optimizer automatically chooses a new execution plan based on the new statistics.

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