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  • oracle 如何搜索当前用户下所有表里含某个值的字段?

    create or replace procedure MY_Pro_SearchKeyWord is
      v_sql VARCHAR2(4000);
      v_tb_column VARCHAR2(4000);
      v_cnt NUMBER(18,0);
      cursor cur is SELECT 'SELECT '''||'"'||t1.table_name||'"."'||t1.Column_Name||'"'||''''||' as col_name, NVL(COUNT(t."'||t1.Column_Name||'"),0) as cnt FROM "'||
             t1.table_name||'" t WHERE t."'||t1.column_name||'" like ''%关键字%''' AS str
        FROM cols t1 left join user_col_comments t2
          on t1.Table_name=t2.Table_name and t1.Column_Name=t2.Column_Name
        left join user_tab_comments t3 
          on t1.Table_name=t3.Table_name 
       WHERE NOT EXISTS ( SELECT t4.Object_Name FROM User_objects t4
                   WHERE t4.Object_Type='TABLE' 
                     AND t4.Temporary='Y' 
                     AND t4.Object_Name=t1.Table_Name )
         AND (t1.Data_Type='CHAR' or t1.Data_Type='VARCHAR2' or t1.Data_Type='VARCHAR')
       ORDER BY t1.Table_Name, t1.Column_ID;

    BEGIN
      FOR i IN cur LOOP
        v_sql := i.str; -- 获取将要执行的SQL语句;
        EXECUTE IMMEDIATE v_sql INTO v_tb_COLUMN, v_cnt;
        IF v_cnt > 0 THEN
          dbms_output.put_line('表:'||substr(v_tb_column,1,instr(v_tb_column,'.',1,1)-1)||' 列:'||substr(v_tb_column,instr(v_tb_column,'.',1,1)+1)||
                               '有 '||to_char(v_cnt)|| '条记录含有字串"关键字" ');
        END IF;
      END LOOP;
    EXCEPTION WHEN OTHERS THEN
    BEGIN
      dbms_output.put_line(v_sql);
      dbms_output.put_line(v_tb_column);
    END;
    end MY_Pro_SearchKeyWord;

     

    http://topic.csdn.net/u/20101110/15/06f0d4d1-f537-4124-b2f5-aabd98b2d0df.html

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  • 原文地址:https://www.cnblogs.com/Logan626/p/10181237.html
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