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https://community.oracle.com/thread/409594
Jul 26, 2006 · Hello, I receive this message when I'm trying 'test syntax' in 'edit view': (however, the view seems to be working) The SQL syntax is valid, however the query is invalid or uses functionality that is not supported. Declarative query support does not currently include UNION, INTERSECT or MINUS View: SELECT M.ID MID, M.NAME M_NAME, Z.ID, Z.NAME ZONE_NAME FROM …
https://community.oracle.com/thread/2278249
Aug 31, 2011 · Declarative query support does not currently include UNION, ... View using Union Query. sb92075 Aug 30, 2011 7:33 PM (in response to 795014) ... however the query is invalid or uses functionality that is not supported. Declarative query support does not currently include UNION, ...
https://dba.stackexchange.com/questions/24107/how-to-i-interleave-logs-from-two-different-oracle-tables
However, Oracle (11g-R2, SQL Developer 3.2) won't let me save that as a view, because: "The SQL syntax is valid, however the query is invalid or uses functionality that is not supported. Declarative query support does not currently include UNION, INTERSECT or MINUS" – …
https://stackoverflow.com/questions/15245880/oracle-sql-query-union-operation
Oracle sql query union operation? Ask Question Asked 6 years, 9 months ago. ... if TableB does not contain any data then TableA's data should be fetched. How can i do that? Thanks! sql oracle. ... Performing UNION of two tables oracle? Related. 1350. What is the difference between UNION and UNION …
https://dba.stackexchange.com/q/24109
I have two log tables, which are populated from two different PL/SQL packages. It's often useful to keep the data separate, but sometimes I'd like to "interleave" the two tables so I can see what's...
https://docs.oracle.com/cd/E12839_01/web.1111/b31974/bcquerying.htm
Be careful not to expose a declarative SQL mode view object executed with this API to the UI since only the value of the Include all attributes in runtime-generated query option will be honored. 5.9 Working with View Objects in Expert Mode
https://docs.oracle.com/cd/B19306_01/server.102/b14200/queries004.htm
If no query selects values of type BINARY_DOUBLE but any query selects values of type BINARY_FLOAT, then the returned values have datatype BINARY_FLOAT. If all queries select values of type NUMBER, then the returned values have datatype NUMBER. In queries using set operators, Oracle does not perform implicit conversion across datatype groups.
https://docs.oracle.com/cd/A91202_01/901_doc/server.901/a90125/queries2.htm
In addition, Oracle currently does not support distributed queries that select user-defined types or object REFs on remote tables.
https://quizlet.com/32818841/cist-1220-final-review-flash-cards/
Start studying CIST 1220 Final Review. Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... For an SQL implementation to truly support the union operation, it must remove ____ rows automatically. ... Oracle and SQL Server support the ____ operator but Microsoft Access does not. ALL. If you precede the subquery by ...
https://docs.oracle.com/cd/B10501_01/server.920/a96520/qr.htm
Again, this does not mean an exact text match, but that the restrictions on the data selected must be a logical match. Also, the query may be more restrictive in its selection of data and still be eligible, but it can never be less restrictive than the definition of the materialized view and still be eligible for rewrite.
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