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ORACLEÕâÈõÖÇ´íÎó°ÑÈËÆø·èÁË£¡ - Oracle / ¿ª·¢

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create or replace PROCEDURE SP_SelectStudentByDq (dq_id IN VARCHAR2, CUR OUT SELECT_PACKAGE.RET_CUR)
AS
BEGIN
OPEN CUR FOR
select code, name from students where dq = dq_id;
END;

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OracleCommand cmdToExecute = new OracleCommand();
cmdToExecute.CommandText = "SP_SelectStudentByDq";
cmdToExecute.CommandType = CommandType.StoredProcedure;
cmdToExecute.Connection = _mainConnection;
DataTable retTable = new DataTable();
OracleDataAdapter oAdapter = new OracleDataAdapter(cmdToExecute);

cmdToExecute.Parameters.Add(new OracleParameter("dq_id", OracleType.VarChar, 20, ParameterDirection.Input, false, 0, 0, "", DataRowVersion.Proposed, _dq));
cmdToExecute.Parameters.Add(new OracleParameter("CUR", OracleType.Cursor, 0, ParameterDirection.Output, false, 0, 0, "", DataRowVersion.Proposed, 0));

_mainConnection.Open();
oAdapter.Fill(retTable);
return retTable;
_mainConnection.Close();

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µ«ÊÇÔÚ´æ´¢¹ý³ÌÀïÃæдËÀ£ºselect code, name from students where dq = ¡®21000000';ÂíÉϾÍÈ¡³öÊý¾ÝÁË¡£

»òÕߣ¬½«´æ´¢¹ý³ÌÐÞ¸ÄΪ£ºselect code, name from students where dq like dq_id;
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create or replace package PK_test 
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type cur_test is ref cursor;
end PK_test;
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