Step By Step Oracle Text

Question

Team,
i want to make some search engine. i already make the table. i include a field with blob data type (let says: bl_data). Now, i already save into the table some document with doc and xls extension.
First of all i'm sorry, because i'm newbie in oracle. what i'd like to do next is how am i index the table. and then how am i find a document content with some word that i input, for example "car".
please help me with this problem. i really need it.
Thanks
Rizal

Answer 1

High-level response - take this with a grain of salt as there are a ton of options that I'm leaving out, and you will need some of them:
1) Create your preferences. I have no idea what you need for your solution. For example, you need to use the proper lexer for whatever languages you are using. Do you want to index themes? How much data are you indexing - this might impact your method of storage.
2) Create a context index:
create index index_name on table_name(column_name)
indextype is ctxsys.context;
You have to define the parameters that you want. The syntax is in link I sent.
3) Define how you plan to maintain your index (something you need to be totally familiar with). Options are discussed in the document.
4) Write your queries - use CONTAINS for the CONTEXT index.
Please understand, you are asking what at the surface may seem to be similar to "How can I create a bitmap index", but there is much more to it. It would be similar to me posting a question on how to take backups. There are so many options that the only forum entry that could answer them would be to paste the manual.
Please use the link I posted to get a start. The reference is long because there is a lot to it. Use what you need from it, and post here when you get stumped. Feel free to post specific questions you have back to the forum. Specifics (as opposed to general/broad) are more easily addressed in a forum.
-Ron