0
votes
0answers
17 views

Row level security and full text searching

How do you approach the problem of resolving access permissions when matching tens of thousands of users with tens of millions of documents containing unstructured data? How do you even build and ...
2
votes
0answers
20 views

How do I get information about how an index set was created in Oracle?

A long time ago I created a CTXCAT index with an INDEX SET using ctx_ddl.create_index_set and ctx_ddl.add_index but forgot to save the DDL anywhere and now I need to recreate this index on another ...
-1
votes
3answers
85 views

Full table scan even after adding index

i have two tables in Oracle 11g server one is partitioned and another is having a 3GB of data. I've added a composite index on both the tables based on the where clause, in the order it appears. The ...
1
vote
1answer
129 views

DTC Timeout when trying to update oracle table through link that contains a text index

Problem Given is a SQL Server connected to an ORACLE Instance as a Linked Server. It’s using the Oracle Client OLEDB Provider. When doing an update in a transaction on a table having a CTXSYS.CONTEXT ...
0
votes
0answers
44 views

Oracle Text - Index an XML Documents Markup

Is there a way to get Oracle Text to index an XML document's mark up and not just element's PCDATA? I have a requirement to allow users to text search a whole XML document, mark up included, but I ...
1
vote
1answer
882 views

Fixing wildcard expansion resulting in too many terms error (DRG-51030)

How can I resolve the wildcard_maxterm problem in Oracle 10g? My index creation syntax is: begin ctx_ddl.drop_preference('SUBSTRING_PREF'); end; / begin ...
2
votes
1answer
296 views

Longest prefix search in Oracle

I have a list of phone number prefixes defined for large number of zones (in query defined by gvcode and cgi). I need to efficiently find a longest prefix that matches given number PHONE_NR. I use ...
2
votes
1answer
2k views

Privileges needed for Oracle Text

I'm new to Oracle Text and I am using it to support a search feature in an application I have written. The everything seems to be working correctly except I'm not happy with the fact that I had to ...
0
votes
1answer
167 views

Simple Search on 13 Terabyte Oracle Database to return relevant rows (.net app? Java?)

I am sure there are some easy ways to do this... I have a simple flat Oracle table which is 13 terabytes or so in size due to a large number of rows accumulating over the years. I need to do a search ...
1
vote
1answer
1k views

At which frequency run CTXSYS.CTX_DDL.OPTIMIZE_INDEX(…) on a fulltext index?

I've been told to run periodically CTXSYS.CTX_DDL.OPTIMIZE_INDEX(...) on some fulltext indexes, with no more information, in particular at which frequency this task should be run. I guess that it ...
4
votes
1answer
376 views

Can Oracle Text query return the terms found?

I am querying an Oracle 10g database. The database contains a table with documents that has an oracle text index. I query the database using a query like SELECT SCORE(1), title from news WHERE ...
3
votes
1answer
385 views

How to get the Oracle Text Index's underlying Virtual XML Document?

The Oracle Text Reference 10g states that when we index our table using multi-column datastore, the system concatenates the text columns, tagging the column text, and indexes the text as a virtual XML ...