death114 发表于 2018-9-22 10:33:39

Oracle中的转义字符用法

declare  v_nyr varchar2(8);
  v_yydm    varchar2(16);
  v_sql varchar2(200);
  v_cur number;
  cursor v_cursor is
  select distinct nyr,yydm from v_nyr_yydm_test;
  begin
  open v_cursor;
  loop
  fetch v_cursor into v_nyr,v_yydm;
  exit when v_cursor%notfound;
  v_sql:='create or replace view v_1_'||v_nyr||'_'||v_yydm||
  ' as select kh from dm_mpg_test where nyr='''||v_nyr||'''
  and yydm= '''||v_yydm||''' with read only';
  v_cur:=dbms_sql.open_cursor;
  dbms_output.put_line(v_sql);
  dbms_sql.parse(v_cur,v_sql,dbms_sql.native);
  dbms_sql.close_cursor(v_cur);
  end loop;
  close v_cursor;
  end;

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