PREPARE

����

PREPARE -- ×¼ï¿½ï¿½Ò»ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½ï¿½Ö´ï¿½ï¿½

���

PREPARE name FROM string

����

PREPARE��һ����Ϊ�ַ�����ָ̬�������׼����ִ�С��ⲻͬ��ֱ�ӵ� SQL ���PREPARE��Ҳ��������Ƕ��ʽ���򣩡�EXECUTE�������ִ���������͵�Ԥ����䡣

����

prepared_name

Ԥ����ѯ��һ����ʶ����

string

����һ����Ԥ������һ�� C �ַ�����һ������������Ԥ������� SELECT��INSERT��UPDATE ���� DELETE ֮һ��

����

char *stmt = "SELECT * FROM test1 WHERE a = ? AND b = ?";

EXEC SQL ALLOCATE DESCRIPTOR outdesc;
EXEC SQL PREPARE foo FROM :stmt;

EXEC SQL EXECUTE foo USING SQL DESCRIPTOR indesc INTO SQL DESCRIPTOR outdesc;

������

SQL ��׼��˵����PREPARE��

�μ�

EXECUTE