ORA 02019 錯誤處理
阿新 • • 發佈：2018-12-20
ORA-02019 錯誤提示是未找到遠端資料庫的連線說明，通常發生在本地資料庫無法連線到遠端資料庫。引發該問題的原因很多，比如網路連線，連線方式(tnsnames)，dblinkc的建立等等。而下面的描述的故障則比較奇特。
一、錯誤現象SQL> select * from [email protected]; select SQL> select * from v$version; BANNER ---------------------------------------------------------------- SQL> select * from dba_db_links; OWNER DB_LINK USERNAME HOST CREATED ------------------------------ ---------- ---------- --------------- ----------- DIMS DSS.M85 VIEWPIC PIC 2007-11-8 1 SQL> select * from v$dblink; -->當前沒有正在使用的database link DB_LINK OWNER_ID LOGGED_ON HETEROGENEOUS PROTOCOL OPEN_CURSORS IN_TRANSACTION UPDATE_SENT COMMIT_POINT_STRENGTH---------- ---------- --------- ------------- -------- ------------ -------------- ----------- ---------------------SQL> select text from dba_source where name='P_PROCESS_PIC_VALID'; TEXT -------------------------------------------------------------------------------- PROCEDURE "P_PROCESS_PIC_VALID" (processDate IN DATE --處理日期，如果不傳入，就表示當天 ) AS recCount INT; pictureName NVARCHAR2(50); mntnOperMask VARCHAR2(10); --維護部操作人員賬號字首 oper NVARCHAR2(50); PicId NVARCHAR2(50); FilmId NVARCHAR2(50); v_maxid number; --20100720 BEGIN -------------------------------------------------20100720 -- 已匯入的資料最大的ID select max(id) into v_maxid from T_scanfilename_m85; -- 匯入新增的資料 execute immediate 'insert into T_scanfilename_m85 select * from [email protected] TEXT -------------------------------------------------------------------------------- where id>:COL_1' using v_maxid; commit; -------------------------------------------------20100720 mntnOperMask := 'gl'; --從圖系統匯入有效片資料 INSERT INTO t_pic_xdoc_file(cph,cl,wldd,fx,wlrq,wlxm,lrsj,oper,picture_name SELECT T1.cph,T1.cl,T1.wldd,T1.fx,T1.wlrq,T1.wlxm,T1.lrsj,T1.oper,T2.FILE /*FROM [email protected] T1,[email protected] T2*/ --20100720 FROM [email protected] T1,T_scanfilename_m85 T2 WHERE T1.XH=T2.XH and t2.id>15717858 and not exists (select picture_name from t_pic_xdoc_file where pict AND substr(T1.oper,1,2)= mntnOperMask and (t1.lrsj >=sysdate-3); -- 將圖文系統過來的有效片資料，分析處理後儲存到統計表中 --處理有效片 FOR c IN(SELECT xf.*,ROWID FROM t_pic_xdoc_file xf WHERE status=1) LOOP SQL> select table_name,owner from dba_tables where table_name in ('SCANFILENAME','XDOC_FILE'); TABLE_NAME OWNER ------------------------------ ------------------------------ SCANFILENAME DIMS SQL> select * from dims.scanfilename where rownum<5; ID FILENAME XH --------------------------------------- -------------------------------------------------- ------------ 8606178 V1_00000020361002320070614095523017900004.jpg 8605441 V1_00000002101002120070614095523011900023.jpg 8605445 V1_00000002101002120070614095523011900025.jpg 8605449 V1_00000002101002120070614095523011900027.jpg SQL> select * from [email protected]; select * from [email protected] ORA-02019: 未找到遠端資料庫的連線說明 SQL> select * from [email protected]; select * from [email protected] ORA-02019: 未找到遠端資料庫的連線說明 SQL> show user; User is "SYS" SQL> conn dims/[email protected] Connected to Oracle8i Enterprise Edition Release 8.1.7.4.1 Connected as dims SQL> select * from dba_db_links; OWNER DB_LINK USERNAME HOST CREATED --------------- --------------- --------------- --------------- ----------- DIMS DSS.M85 VIEWPIC PIC 2007-11-8 1 SQL> select * from user_db_links; DB_LINK USERNAME PASSWORD HOST CREATED --------------- --------------- ------------------------------ --------------- ----------- DSS.M85 VIEWPIC VIEWPIC PIC 2007-11-8 1 SQL> select * from [email protected] ORA-12514: TNS: 監聽程序不能解析在連線描述符中給出的 SERVICE_NAME SQL> select * from [email protected]; select * from [email protected] ORA-12514: TNS: 監聽程序不能解析在連線描述符中給出的 SERVICE_NAME pic = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 100.100.1.31)(PORT = 1521)) ) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = DSS) ) ) C:\>tnsping pic TNS Ping Utility for 32-bit Windows: Version 8.1.7.4.0 - Production on 26-7月 -2 011 15:32:35 (c) Copyright 1997 Oracle Corporation. All rights reserved. Attempting to contact (ADDRESS=(PROTOCOL=TCP)(HOST=100.100.1.31)(PORT=1521)) OK（20毫秒） C:\>sqlplus viewpic/[email protected] -->sqlplus 不能登陸 SQL*Plus: Release 8.1.7.0.0 - Production on 星期二 7月 26 15:33:15 2011 (c) Copyright 2000 Oracle Corporation. All rights reserved. ERROR： ORA-12514: TNS: 監聽程序不能解析在連線描述符中給出的 SERVICE_NAME pic = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 100.100.1.31)(PORT = 1521)) ) (CONNECT_DATA = (SERVER = DEDICATED) (SID = DSS) -->(原來為service_name,將其改為SID) ) ) C:\>sqlplus viewpic/[email protected] -->再次使用sqlplus登陸正常 SQL*Plus: Release 8.1.7.0.0 - Production on 星期三 7月 27 09:49:57 2011 (c) Copyright 2000 Oracle Corporation. All rights reserved. 連線到: Oracle8i Enterprise Edition Release 8.1.7.0.0 - 64bit Production With the Partitioning and Parallel Server options JServer Release 8.1.7.0.0 - 64bit Production SQL> select * from v$version; BANNER ---------------------------------------------------------------- Oracle8i Enterprise Edition Release 8.1.7.0.0 - 64bit Production PL/SQL Release 8.1.7.0.0 - Production CORE 8.1.7.0.0 Production TNS for IBM/AIX RISC System/6000: Version 8.1.7.0.0 - Developmen NLSRTL Version 3.4.1.0.0 - Production SQL> select * from [email protected] where rownum < 5; ID FILENAME XH ---------- -------------------------------------------------- -------------------- 8606178 V1_00000020361002320070614095523017900004.jpg 8605441 V1_00000002101002120070614095523011900023.jpg 8605445 V1_00000002101002120070614095523011900025.jpg 三、更多參考
有關效能優化請參考
有關ORACLE體系結構請參考
有關閃回特性請參考
有關基於使用者管理的備份和備份恢復的概念請參考
有關RMAN的備份恢復與管理請參考
有關ORACLE故障請參考
有關ASM請參考
有關SQL/PLSQL請參考
有關ORACLE其它特性