![CREATEFULLTEXTINDEXON<TableName>(
[ColumnName]LANGUAGE1033Statistical_Semantics,
[ColumnName]LANGUAGE1033Statistical_Semantics,
.
.
.
[ColumnName]LANGUAGE1033Statistical_Semantics
)
KEYINDEX<PK_TableName>
ON<catalog_created_previously>
WITHSTOPLIST=SYSTEM
Go
An Example has been given below:
--createFULLTEXTINDEXonCM.APPLICATION_GROUP_MF
CREATEFULLTEXTINDEXONCM.APPLICATION_GROUP_MF(
[HARD_CODE]LANGUAGE1033Statistical_Semantics,
[NAME]LANGUAGE1033Statistical_Semantics,
[UPDATED_BY]LANGUAGE1033Statistical_Semantics
)
KEYINDEXPK_APPLICATION_GROUP_MF
ONApplication_groupCatalog
WITHSTOPLIST=SYSTEM
Go
Now as we have created both index and catalog for a given table, we can apply semantics to that as
follows :
DECLARE@SearchTermASNVARCHAR(max);
Set@SearchTerm='<whatyouwanttosearch>';
DECLARE@cmdASNVARCHAR(max)
DECLARE@tmpSearchNVARCHAR(500)
SELECT@tmpSearch=REPLACE(@SearchTerm,'',''',''')
SET@cmd=N'SELECT*FROM<TableName>INNERJOIN
semantickeyphrasetable(<TableName>,*)
on<primarykey_of_the_table>=document_keyWHEREkeyphraseIN
('''+@tmpSearch+''')ORDERBYscoreDESC'
print@cmd
EXEC(@cmd)
An example has been given below :
DECLARE@SearchTermASNVARCHAR(max);
Set@SearchTerm='WHATARETHEDETAILSABOUTSHIPMATE';
DECLARE@cmdASNVARCHAR(max)
DECLARE@tmpSearchNVARCHAR(500)
SELECT@tmpSearch=REPLACE(@SearchTerm,'',''',''')](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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semantics_documentationsbn
- 1. DOCUMENTATION ON SEMANTIC SEARCH A basic idea of semantic search can be obtained by going through the following link. http://wiki.hsr.ch/Datenbanken/files/Semantic_Search_In_MS_SQL_2012_Rico_Suter.pdf 1.INSTALLATION OF SEMANTICS IN SQL SERVER 1.1 Installation First we have to install the Microsoft SQL Server 2012 with semantic search capabilities. The setup needs three steps: 1. Installing the server with semantic search feature 2. Install additional filter packs 3. Install a Semantic Language Database The details about the installation are also mentioned in the pdf link given above. 2. SEMANTIC SEARCHING For a semantic to work on any table, say CM.APPLICATION_GROUP_MF, we have to create two things, 1. Catalog for a table 2. Fulltext Index for a table 2.1 CATALOGUE CREATION The syntax for making the catalog is as follows: CREATEFULLTEXTCATALOG<catalogname>WITHACCENT_SENSITIVITY=ON; Go An example is given below: --createcatalogforCM.APPLICATION_GROUP_MF CREATEFULLTEXTCATALOGApplication_groupCatalogWITHACCENT_SENSITIVITY=ON; Go 2.1 FULLTEXT INDEX CREATION The syntax for creating a Fulltext Index is as follows:
- 2. CREATEFULLTEXTINDEXON<TableName>( [ColumnName]LANGUAGE1033Statistical_Semantics, [ColumnName]LANGUAGE1033Statistical_Semantics, . . . [ColumnName]LANGUAGE1033Statistical_Semantics ) KEYINDEX<PK_TableName> ON<catalog_created_previously> WITHSTOPLIST=SYSTEM Go An Example has been given below: --createFULLTEXTINDEXonCM.APPLICATION_GROUP_MF CREATEFULLTEXTINDEXONCM.APPLICATION_GROUP_MF( [HARD_CODE]LANGUAGE1033Statistical_Semantics, [NAME]LANGUAGE1033Statistical_Semantics, [UPDATED_BY]LANGUAGE1033Statistical_Semantics ) KEYINDEXPK_APPLICATION_GROUP_MF ONApplication_groupCatalog WITHSTOPLIST=SYSTEM Go Now as we have created both index and catalog for a given table, we can apply semantics to that as follows : DECLARE@SearchTermASNVARCHAR(max); Set@SearchTerm='<whatyouwanttosearch>'; DECLARE@cmdASNVARCHAR(max) DECLARE@tmpSearchNVARCHAR(500) SELECT@tmpSearch=REPLACE(@SearchTerm,'',''',''') SET@cmd=N'SELECT*FROM<TableName>INNERJOIN semantickeyphrasetable(<TableName>,*) on<primarykey_of_the_table>=document_keyWHEREkeyphraseIN ('''+@tmpSearch+''')ORDERBYscoreDESC' print@cmd EXEC(@cmd) An example has been given below : DECLARE@SearchTermASNVARCHAR(max); Set@SearchTerm='WHATARETHEDETAILSABOUTSHIPMATE'; DECLARE@cmdASNVARCHAR(max) DECLARE@tmpSearchNVARCHAR(500) SELECT@tmpSearch=REPLACE(@SearchTerm,'',''',''')
- 3. SET@cmd=N'SELECT*FROMCM.APPLICATION_GROUP_MFINNERJOIN semantickeyphrasetable(CM.APPLICATION_GROUP_MF,*) onID=document_keyWHEREkeyphraseIN('''+@tmpSearch+''')ORDERBYscoreDESC' print@cmd EXEC(@cmd) Now, if you want to apply semantics to a combination of tables, you can use inner join of tables. Eg, SET@cmd=N'SELECTdistincta.SUR_NAME,a.FIRST_NAME,a.MIDDLE_NAME,c.APPRAISAL_SCORE FROM CM.PERSONNEL_MFasa INNERJOINsemantickeyphrasetable(CM.PERSONNEL_MF,*)assona.id=document_key INNERJOINFD.TEMPLATE_DATA_HDasconc.EMP_ID=a.id InnerJoinsemantickeyphrasetable(FD.TEMPLATE_DATA_HD,*)asqonc.ID=q.document_key WHEREq.keyphraseIN('''+@tmpSearch+''')ors.keyphraseIN('''+@tmpSearch+''')' Here, appraisal_score is in FD.TEMPLATE_DATA_HDtable and and the rest of the selected columns are from CM.PERSONNEL_MFtable. So, here we are applying semantics to the combination of both the tables. Semantics without the required BUSSINESS LOGIC is useless. So, we shall now learn how to include BUSSINESS LOGIC to the semantics. Now, lets consider a table, Data1 Now, we need to find the most intelligent students from this table. So, here I give the condition as best student = APPRAISAL_SCORE >9 Similarly, a bad student is a student whose APPRAISAL_SCORE<5
- 4. So, using semantics , we can give intelligence to our program. For doing so, we have to give ‘Qualifier Tables’. So, my Qualifier table in this case is Qualifier_Promotion Now, I shall share the code here: USESHIPMATE1704_4SBNT GO /******Object: StoredProcedure[dbo].[shipmate_Search] ScriptDate:6/5/2015 12:04:49AM******/ SETANSI_NULLSON GO SETQUOTED_IDENTIFIERON GO --toexecutetheprocedure --execshipmate_Search'whoisbothgoodandreliableofallfromData1' ALTERPROCEDURE[dbo].[shipmate_Search] ( @SearchTermNVARCHAR(500) ) AS BEGIN DECLARE@cmdASNVARCHAR(max) DECLARE@columnnameASNVARCHAR(max) DECLARE@tmpSearchNVARCHAR(500) DECLARE@wherequeryNVARCHAR(Max)=NULL Declare@orderbyqueryNVARCHAR(MAX)=NULL Declare@SQLQUERYNVARCHAR(MAX) DECLARE@cmd2ASNVARCHAR(max) SELECT@tmpSearch=REPLACE(@SearchTerm,'',''',''') ---Qualifierlisttabledatafetch--- SET@cmd2=N'SELECT*into##tempTable2FROMQualifier_PromotionWHERE WordIN('''+@tmpSearch+''')orSynonymsIN('''+@tmpSearch+''')' print@cmd2 EXEC(@cmd2) select*into#tempfrom##tempTable2
- 7. SET@SQLQuery='SELECTDistinctID,Name,APPRAISAL_SCOREFROM #localtemptable1'+@wherequery+''+@orderbyquery print@SQLQuery EXEC(@SQLQuery) END updateData1setAPPRAISAL_SCORE=8.2WHEREID=3 --execshipmate_Search'abadstudent' Please note that there is no need for applying semantics to the Qualifier table. We are able to observe that the following query got replaced by 'SELECTDistinctID,Name,APPRAISAL_SCOREFROM#localtemptable1'+@wherequery+''+ @orderbyquery I hope I have given all relevant data. Please note that, the Tablename should be the tablename in which the contents you want to apply semantics is stored.
- 8. Documented By, Aiswarya Vinayachandran 6/6/2015 Amrita Vishwa Vidyapeetham 2:26 P.M Coimbatore