用PL/SQL更新拓扑点属性
create or replace procedure LINESET_UPDATE is V_NODEID point.NODEID%type; V_LINEID line.lineid%type; V_LINESET point.lineset%type; T NUMBER :=0; &n...
用PL/SQL计算路段桩号
create or replace procedure P_daniel as v_LXBM TM_DLZX_AAT.lxbm%type; v_FNODE TM_DLZX_AAT.fnode%type; v_TNODE TM_DLZX_AAT.tnode%type; v_RLENGTH TM_DLZX_AAT.RLENGTH%type; ...
SYS_GUID()和SEQUENCE的比较
执行下面语句,会得到一个32位的字符串:SQL> SELECT SYS_GUID() FROM DUAL;SYS_GUID()--------------------------------372D585CA033F177E040007F01003ED3Oracle8i引入了SYS_GUID这个概念,它同Oracle管理员...