ORA-00942 on materialized view refresh. Symptoms Use the "ON PREBUILT TABLE" clause. Complete Refresh - A complete refresh will cause the entire Materialized View to be truncated … In Source DB it tries to purge the mview log and at destination mview itself. . Fast refreshes have the benefit of not taking much time. With classic exp you can export materialized views with either owner=<> or full=y. EXPDP - ORA-39127 And ORA-00904 ("TRANS_NAME": Invalid Identifier) On MATERIALIZED_VIEW_LOG (Doc ID 1571598.1) Last updated on APRIL 03, 2020. After the import, the previous dba will run manual script to recreate the mviews, mview logs … Recently I had to drop a couple of large Materialized View. Hi all, I just took over a db, and there is an expdp done monthly which exclude the following - materialized view - materialized view logs - refresh group This expdp dump is then use to import into test and trial environment. CREATE MATERIALIZED VIEW mv_comp_tab2 refresh fast on demand with rowid … As we know why do we need materialized view in Oracle? You must have an Materialized View Log on the target table in order to be able to fast refresh a view in Oracle. The view which we use to make a replica of a target master from a single point in a time is known materialized view. exporting refresh groups and children. exporting materialized views. I'm trying to do an Oracle Data Pump Export (expdp). Applies to: Oracle Database - Enterprise Edition - Version 11.2.0.3 and later Information in this document applies to any platform. And dropping them was taking a long time, as it tries to drop the data in both source and destination DB. but can't locate the object I'm looking for - only the synonym of the same name. 3) Import the table into the other db 4) Rename the table to the old mv name 5) create a materialized view (using the old definition), but tell it to use the table you just brought over. Mview are local copies of data located remotely, or are used to … Mahaveer Jain In Database Technology since past 14+ years, have worked in Oracle, Cassandra, Postgresql from database designing , plsql programing to DBA activities. Long time Oracle developer, first time poking with imp - I'm trying to find the definition on a materialized view from the dmp file, using windows. I've used: imp userid=dev/pwd file=C:\OraExports\DEV.dmp show=Y fromuser=devmgr touser=devmgr 2> c:\scott_all.txt. I see the following messages in the expdp log : "FLASHBACK automatically enabled to preserve database integrity." Re: Export Materialized view: Author: Ales Kavsek, Slovenia: Date: Apr 26, 2010, 16:14, 3885 days ago: Score: Message: Hi, > exp user1/user1 file=exp.dmp log=exp.log tables= tab1 statistics=none No, you can not. exporting snapshot logs. 1) Create a table based on the materialized view create table new_ as select * from ; 2) Export the table. In order to disable that you must break the dbms_job that was created in order to refresh the view. I want to export the definition and data for most of the schema, but exclude the rows for some of the larger tables. CREATE MATERIALIZED VIEW mv_fast_demand_scheduled_tab1 REFRESH FAST ON DEMAND START WITH SYSDATE NEXT SYSDATE + 1/1440 AS SELECT * FROM tab1@orasoa_link; create materialized view mv_count_tab2 build immediate refresh complete as select count(1) from tab2@orasoa_link . A materialized view created with the automatic refresh can not be alter to stop refreshing. exporting job queues. First, let's use the oerr command to see details on the ORA-00942 error: ORA-00942 table or view does not exist Cause: The table or view entered does not exist, a synonym that is not allowed here was used, or a view was referenced where a table is required. redesign the system and eliminate those “tough” queries; cache the results of such queries; using materialized views. 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