cursor cursor_name (parameter list) is select ... 游标从declare、open、fetch、close是一个完整的生命旅程。 当然了一个这种游标是能够被多次open进行使用的,显式cursor是静态cursor,她的作用域是全局的,但也必须明确,静态cursor也仅仅有pl/sql代码才干够使用她。以下看一个简单的静态显式cursor的演示样例: dec...
cursor cursor_name (parameter list) is select ... 游标从declare、open、fetch、close是一个完整的生命旅程。当然了一个这样的游标是可以被多次open进行使用的,显式cursor是静态cursor,它的作用域是全局的,但也必须明白,静态cursor也只有pl/sql代码才可以使用它。下面看一个简单的静态显式cursor的示例: declare ...
The result set of this cursor is all course_numbers whose subject_id matches the subject_id passed to the cursor via the parameter. Cursor with return clause Finally, we can declare a cursor with a return clause. Syntax The syntax for a cursor with a return clause in Oracle/PLSQL is: ...
cursor cursor_name (parameter list) is select ... 游标从declare、open、fetch、close是一个完整的生命旅程。当然了一个这样的游标是可以被多次open进行使用的,显式cursor是静态cursor,它的作用域是全局的,但也必须明白,静态cursor也只有pl/sql代码才可以使用它。下面看一个简单的静态显式cursor的示例: declare ...
where subject_id = subject_id_in; The result set of this cursor is all course_numbers whose subject_id matches the subject_id passed to the cursor via the parameter. Cursor with return clause The basic syntax for a cursor with a return clause is: ...
The DB2 data server supports dynamic queries through the OPEN FOR statement in PL/SQL contexts. Example: Returning a REF CURSOR from a procedure (PL/SQL) This example demonstrates how to define and open a REF CURSOR variable, and then pass it as a procedure parameter. Example: Modularizing ...
OPEN_CURSORS specifies the maximum number of open cursors(handles to private SQL areas) a session can have at once. You can usethis parameter to prevent a sessionfromopening an excessive number ofcursors. Itis important to set the value of OPEN_CURSORS high enough to prevent yourapplicationfrom...
右側の「Parameter Details」グループで、次の3つのパラメータを入力します。「Add」をクリックしてから、必要なパラメータを1つずつ追加します。 「Name:」にDEP_IDと入力し、「Direction:」は「IN」を選択します。「Data Type:」には「NUMBER」を選択します。 「Name:」にEMPLOYEES_Cと入力し、...
() cmd.Connection = conn cmd.CommandText ="CURSPKG.OPEN_ONE_CURSOR"cmd.CommandType = CommandType.StoredProcedure cmd.Parameters.Add(NewOracleParameter("N_EMPNO", OracleType.Number)).Value =7369cmd.Parameters.Add(NewOracleParameter("IO_CURSOR", OracleType.Cursor)).Direction = ParameterDirecti...
REF Cursor as IN parameter String cmdTxt2 = "begin testSP (:1, :2); end;"; // Create the command object for executing cmdTxt1 and cmdTxt2 OracleCommand cmd = new OracleCommand(cmdTxt1, conn); // Bind the Ref cursor to the PL/SQL stored procedure OracleParameter outRefPrm = cmd...