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  • 全文检索- Oracle/MySql/达梦

    简单使用语法: 

    MySql:

    ALTER TABLE dataset_ods ENGINE = MyISAM; //5.6后的InnoDB支持全文索引
    ALTER TABLE dataset_ods ADD FULLTEXT (abstract);
    
    SELECT * FROM dataset_ods  WHERE MATCH(abstract) AGAINST('XX');

    Oracle:

    CREATE INDEX FullTextIndex_dataset_ods ON dataset_ods( ABSTRACT ) INDEXTYPE is CTXSYS.CONTEXT;
    
    BEGIN 
      ctx_ddl.sync_index ('fulltextindex_dataset_ods', '2M');
      ctx_ddl.optimize_index ('fulltextindex_dataset_ods', 'full',null,null,null);
    END;
    
    
    SELECT * FROM dataset_ods  WHERE CONTAINS (ABSTRACT ,'XX')>0

    达梦:

    create context index FullTextIndex_dataset_ods on dataset_ods(ABSTRACT)LEXER DEFAULT_LEXER;
    
    DM管理工具->全文检索->填充
    
    SELECT * FROM dataset_ods WHERE CONTAINS (ABSTRACT,'XX')


     

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  • 原文地址:https://www.cnblogs.com/i-blog/p/4212554.html
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