Merge pull request #257 from oracle-devrel/ulrike23c-scripts2

Ulrike23c scripts2

Author: JesusGitHubOracle

data-platform/core-converged-db/database-23c/database-search/1-create-ubiquitous-index.sql

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+REM Script for 23c: 1-create-ubiquitous-index.sql
+REM Create an ubiquitous index   
+ 
+-- prereq: install Oracle Customer order sample schema from https://github.com/oracle-samples/db-sample-schemas/tree/main/customer_orders
+-- create an ubiquitous index with the name SEARCH_PRODUCTS
+
+execute DBMS_SEARCH.CREATE_INDEX(index_name=>'SEARCH_PRODUCTS');
+
+-- it creates the infrastructure for Oracle Text including a table SEARCH_PRODUCTS with two JSON columns DATA and METADATA.
+
+desc SEARCH_PRODUCTS
+
+-- if you need to drop the index first use 
+-- execute DBMS_SEARCH.DROP_INDEX('SEARCH_PRODUCTS');
+

data-platform/core-converged-db/database-23c/database-search/2-add-data-sources.sql

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+REM Script for 23c: 2-add-data-sources.sql
+REM Add two tables as data sources
+
+-- Let's add the table SHIPMENTS and STORES
+
+execute DBMS_SEARCH.ADD_SOURCE(index_name =>'SEARCH_PRODUCTS', source_name => 'SHIPMENTS');
+execute DBMS_SEARCH.ADD_SOURCE(index_name =>'SEARCH_PRODUCTS', source_name => 'STORES');

data-platform/core-converged-db/database-23c/database-search/3-review-virtual-document.sql

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+REM Script for 23c: 3-review-virtual-document.sql
+REM Review the virtual document
+
+-- GET_DOCUMENT returns a virtual indexed document that is created after populating it with the two tables. 
+
+set long 1000 longc 500
+select DBMS_SEARCH.GET_DOCUMENT (INDEX_NAME=>'SEARCH_PRODUCTS', DOCUMENT_METADATA=>METADATA) output 
+from SEARCH_PRODUCTS;

data-platform/core-converged-db/database-23c/database-search/4-contains-query.sql

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+REM Script for 23c: 4-contains-query.sql 
+REM Query using CONTAINS
+
+-- Query using CONTAINS with FUZZY operator
+
+select metadata output from SEARCH_PRODUCTS 
+where CONTAINS(data,'fuzzy(Los)')>0;
+
+-- check the result in table STORES
+
+select physical_address from stores where store_id=10;
+
+-- check the result in table SHIPMENTS
+
+select delivery_address from shipments where shipment_id=976;

data-platform/core-converged-db/database-23c/database-search/5-json-textcontains-query.sql

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+REM Script for 23c: 5-json-textcontains-query.sql 
+REM Query using JSON_TEXTCONTAINS
+
+-- JSON_TEXTCONTAINS checks if a specified string exists in JSON property values or not.  
+select metadata from SEARCH_PRODUCTS
+where JSON_TEXTCONTAINS(data,'$.CO.STORES.PHYSICAL_ADDRESS','fuzzy(LOS)');

data-platform/core-converged-db/database-23c/database-search/6-add-more-data-sources.sql

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+REM Script for 23c: 6-add-more-data-sources.sql
+
+-- Let's add the table CUSTOMERS
+
+execute DBMS_SEARCH.ADD_SOURCE(index_name =>'SEARCH_PRODUCTS', source_name => 'CUSTOMERS');
+
+-- Search for fuzzy(jon)
+
+SELECT METADATA output from SEARCH_PRODUCTS WHERE CONTAINS(data,'fuzzy(jon)')>0;
+
+--Let's add a row to the table CUSTOMERS und search for it again.
+
+insert into customers values (1000,'[email protected]','John Johnson');
+
+SELECT METADATA output from SEARCH_PRODUCTS WHERE CONTAINS(data,'fuzzy(jon)')>0;
+
+-- You will find the new row when you commit the change.
+
+commit;
+
+-- search again
+SELECT METADATA output from SEARCH_PRODUCTS WHERE CONTAINS(data,'fuzzy(jon)')>0;

data-platform/core-converged-db/database-23c/database-search/7-monitoring-index.sql

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+REM Script for 23c: 7-monitoring-index.sql
+
+-- Query USER_INDEXES to get basic information about the created index.
+col index_type format a10
+col ityp_owner format a10
+col table_owner format a10
+col table_name format a20
+
+select index_type, table_owner, table_name, table_type, status, ityp_owner
+from user_indexes where index_name='SEARCH_PRODUCTS';
+
+-- Query CTX_INDEX_VALUES to display values for each object used in the index. You need to have access on CTXSYS objects. 
+
+set linesize window
+
+select ixv_class, ixv_object, ixv_attribute, ixv_value
+from ctxsys.ctx_index_values 
+where ixv_index_owner='CO';