How to use triggers in Oracle

Previous work to do data synchronization used in the trigger, made the following notes, summarized as follows: Data center----------------------------------College Create or replace trigger TGER_XX_YXSDWJBSJZ L_ist before insert on ZFDXC. Xx_yxsdwjbsjzl for each row begin inserts into XGXT.ZXBZ_XXBMDM@DBLINK_DXCTOXGXT (BMDM,BMMC,BMJB,BMLB) VALUES (: NEW.DWH,:
new.dwmc,1,5);
End /create or Replace trigger Tger_xx_yxsdwjbsjzl_udt before update on ZFDXC. Xx_yxsdwjbsjzl for each row begin update xgxt.zxbz_xxbmdm@dblink_dxctoxgxt set BMDM=:NEW.DWH,BMMC=:NEW.DWMC where bmdm=
: OLD.DWH;
End /create or replace trigger Tger_xx_yxsdwjbsjzl_del before delete on ZFDXC.
Xx_yxsdwjbsjzl for each row begin delete Zxbz_xxbmdm@dblink_dxctoxgxt where BMDM=:OLD.DWH;
End /create or replace trigger TRIG_XYDMBTOJWGL after INSERT or DELETE or UPDATE of DWH,DWMC in Xx_yxsdwjbsjzl for each ROW B
        Egin IF inserting THEN insert into XYDMB@DBLINK_DXCTOJWGL (XYDM,XYMC) VALUES (: NEW.DWH,:NEW.DWMC);
    Insert into XYDMB@DBLINK_DXCTOZFOA (XYDM,XYMC) VALUES (: NEW.DWH,:NEW.DWMC); elsif DELETING THEN Delete from Xydmb@dblink_dxctojwgl where XYDM=:OLD.DWH;
          
   Delete from Xydmb@dblink_dxctozfoa where XYDM=:OLD.DWH;
      elsif updating THEN update XYDMB@DBLINK_DXCTOJWGL set XYDM=:NEW.DWH,XYMC=:NEW.DWMC where XYDM=:OLD.DWH;
   Update Xydmb@dblink_dxctozfoa set XYDM=:NEW.DWH,XYMC=:NEW.DWMC where XYDM=:OLD.DWH;
End IF;
End; /-----------------------------------------Professional Create or replace trigger tger_jx_zyxxsjl_ist before insert on Zfdxc.jx_ ZYXXSJL for each row begin inserts into BKS_ZYDM@DBLINK_DXCTOXGXT (ZYDM,BMDM,ZYMC,ZYJC,ZYYWMC) VALUES (: NEW.ZYH,:NEW.DWH,
: NEW.ZYMC,:NEW.ZYJC,:NEW.ZYYWMC);
End /create or Replace trigger Tger_jx_zyxxsjl_udt before update on ZFDXC.JX_ZYXXSJL for each row begin update Bks_zydm@dblin
K_DXCTOXGXT set ZYDM=:NEW.ZYH,BMDM=:NEW.DWH,ZYMC=:NEW.ZYMC,ZYJC=:NEW.ZYJC,ZYYWMC=:NEW.ZYYWMC where Zydm=:old.zyh;
End /create or replace trigger Tger_jx_zyxxsjl_del before delete on ZFDXC.JX_ZYXXSJL for each row begin delete Bks_zyDM@DBLINK_DXCTOXGXT where Zydm=:old.zyh;
End /---------------------------------------class Create or replace trigger tger_xx_bjsjl_ist before insert on ZFDXC.XX_BJSJL f or each row begin inserts into BKS_BJDM@DBLINK_DXCTOXGXT (BJDM,ZYDM,BMDM,BJMC,NJ) VALUES (: NEW.BH,:NEW.ZYH,:NEW.SSXYDM,:
NEW.BJ,:NEW.NJ);
End /create or Replace trigger Tger_xx_bjsjl_udt before update on ZFDXC.XX_BJSJL for each row begin update Bks_bjdm@dblink_dx
CTOXGXT set BJDM=:NEW.BH,ZYDM=:NEW.ZYH,BMDM=:NEW.SSXYDM,BJMC=:NEW.BJ,NJ=:NEW.NJ where bjdm=:old.bh;
End /create or replace trigger Tger_xx_bjsjl_del before delete on ZFDXC.XX_BJSJL for each row begin delete Bks_bjdm@dblink_d
XCTOXGXT where bjdm=:old.bh;
End /---------Staff basic data Create or replace trigger TRIG_JZGJCSJZL_JSXXB after insert or delete or update of JGH,DWH,XM
, XBM,CSRQ,JG,MZM,WHCDM,JZGLBM,ZW on Jg_jzgjcsjzl for each row declare V_BMMC varchar2 (100);
V_XB Dm_gb_rdxbdm.mc%type;
V_MZ VARCHAR2 (10);
V_WHCDMC VARCHAR2 (10); V_JZGLBMC VARCHAR2 (10);
Maxxh varchar2 (100);
Kyyhbid varchar2 (20);
Kyyhjbxxbid varchar2 (20);
BEGIN if:new.sjly= ' Dean ' then null;
      Else begin update Kyglxtsequence@zfky_dblink set Seqvalue=seqvalue + cachesize where seqname= ' seqyhbid ';
      Update Kyglxtsequence@zfky_dblink set Seqvalue=seqvalue + cachesize where seqname= ' seqyhjbxxbid ';
      Select Seqvalue into Kyyhbid from Kyglxtsequence@zfky_dblink where seqname= ' seqyhbid ';
Select Seqvalue into Kyyhjbxxbid from Kyglxtsequence@zfky_dblink where seqname= ' seqyhjbxxbid ';
End
Begin select DWMC into V_bmmc from Xx_yxsdwjbsjzl where DWH=:NEW.DWH;
Exception when others then v_bmmc:= '-9 ';
End
Begin select MC into V_XB from DM_GB_RDXBDM where DM=:NEW.XBM;
Exception when others then v_xb:= '-9 ';
End
Begin select MC into V_mz from DM_GB_ZGGMZDLMZMPXFHDM where DM=:NEW.MZM;
Exception when others then v_mz:= '-9 ';
End
Begin select MC into V_WHCDMC from DM_HB_WHCD where DM=:NEW.WHCDM; Exception when otheRS then v_whcdmc:= '-9 ';
End
Begin select To_char (To_number max (YHSX) + 1) into Maxxh from Bmryxxb@dblink_dxctozfoa where XYDM=:NEW.DWH;
Exception when others then maxxh:= '-9 ';
End Begin select MC into V_JZGLBMC from Dm_hb_jzglb where dm=:new.
JZGLBM;
Exception when others then v_jzglbmc:= '-9 ';
End If inserting then insert into JSXXB@DBLINK_DXCTOJWGL (zgh,bm,xm,xb,csrq,jg,mz,xl,lbmc,sjly) VALUES (: New.jgh,v_bmmc,:n
     EW.XM,V_XB,:NEW.CSRQ,:NEW.JG,V_MZ,V_WHCDMC,V_JZGLBMC, ' personnel '); Insert into BMRYXXB@DBLINK_DXCTOZFOA (XYDM,YHM,RYID,YHSX) VALUES (: NEW.DWH,:NEW.JGH,BMRYXX_RYID.NEXTVAL@DBLINK_
     DXCTOZFOA,MAXXH); Insert into Yhjbxxb@zfky_dblink (YHJBXXBID,XM,XBDMBID,JGDMBID,XZZW) VALUES (KYYHJBXXBID,:NEW.XM,:NEW.XBM,:NEW.DWH,:
     NEW.ZW); Insert into Yhb@zfky_dblink (YHBID,YHM,MM,YHLYBID,YHLYB,YHZT) VALUES (Kyyhbid,:new.jgh, ' u ', kyyhjbxxbid, ' yhjbxxb ', '
         
  1 ');
     elsif deleting then delete from JSXXB@DBLINK_DXCTOJWGL where zgh=:old.jgh; DelEte from Bmryxxb@dblink_dxctozfoa where Yhm=:old.jgh;
     Delete from Yhjbxxb@zfky_dblink where xm=:old.xm;
  Delete from Yhb@zfky_dblink where yhm=:old.jgh; elsif updating then update JSXXB@DBLINK_DXCTOJWGL set Zgh=:new.jgh,bm=v_bmmc,xm=:new.xm,xb=v_xb,csrq=:new.csrq,jg=:n
     EW.JG,MZ=V_MZ,XL=V_WHCDMC,LBMC=V_JZGLBMC where Zgh=:old.jgh;
     Update Bmryxxb@dblink_dxctozfoa set xydm=:new.dwh,yhm=:new.jgh,yhsx=maxxh where Yhm=:old.jgh;
     Update Yhjbxxb@zfky_dblink set XM=:NEW.XM where XM=:OLD.XM;
  Update Yhb@zfky_dblink set yhm=:new.jgh where Yhm=:old.jgh;
End If;
End If;
End /create or replace trigger TRIG_JZGJCSJZL_PORTALYHB after insert or delete or update of JGH,XM in Jg_jzgjcsjzl for each R
  ow BEGIN If inserting then insert into yhb@dblink_dxctoportal (YHM,KL,XM,YHLX) VALUES (: New.jgh, ' U ',: New.xm, ' 2 ');
  elsif deleting then delete from yhb@dblink_dxctoportal where yhm=:old.jgh; elsif updating then update yhb@dblink_dxctoportal set YHM=:NEW.JGH,XM=:NEW.XM where Yhm=:old.jgh;
End If;
End; 
/create or replace trigger TRIG_JZGJCSJZL_ZFOAYHB after insert or delete or update of JGH,XM in Jg_jzgjcsjzl for each row
  BEGIN if inserting then insert into YHB@DBLINK_DXCTOZFOA (YHM,KL,ZDM,XM,YHLX) VALUES (: New.jgh, ' u ', ' n ',: New.xm, ' 2 ');
  elsif deleting then delete from Yhb@dblink_dxctozfoa where yhm=:old.jgh;
  elsif updating then update YHB@DBLINK_DXCTOZFOA set YHM=:NEW.JGH,XM=:NEW.XM where Yhm=:old.jgh;
End If;
End; /create or replace trigger TRIG_ZYJSZW_JSXXB after insert or delete or update of PRZWM in Jg_zyjszwzl for each row declar
E V_PRZWMC varchar2 (100);
Begin begin select ZWXLMC into V_PRZWMC from DM_GB_ZYJSZWDM where DM=:NEW.PRZWM;
Exception when others then v_przwmc:= '-9 ';
     End
Update JSXXB@DBLINK_DXCTOJWGL set ZW=V_PRZWMC where Zgh=:new.jgh;
End; /create or replace trigger TRIG_ZZMM_JSXXB after insert or delete or update of zzmmm in JG_ZZMMSJL for each row declare v _ZZMMMC varchar2 (100);
Begin BEGIN SELECT MC into V_zzmmmc from DM_GB_ZZMMDM where dm=:new.zzmmm;
Exception when others then v_zzmmmc:= '-9 ';
     End
Update JSXXB@DBLINK_DXCTOJWGL set ZZMM=V_ZZMMMC where Zgh=:new.jgh;
End; /----------------------------------------------student Create or replace trigger tger_xs_xsjbsjzl_ist before insert on ZFDXC . Xs_xsjbsjzl for each row begin----Learning System student basic information INSERT into XGXT.BKS_XSJBXX@DBLINK_DXCTOXGXT (Xh,bmdm,bjdm,zydm,xm,xmpy, CYM,PYFS,XZ,RXNY,NJ,SFZH,XBM,XJZTM,XXNX,ZYFX,KSH,BZ,MM) VALUES (: new.xh, Case WHEN:NEW.XYMC in (select DWMC from Xx_ YXSDWJBSJZL) then (select Dwh from Xx_yxsdwjbsjzl where:new.xymc=dwmc) Else ' NU ' end), (Case WHEN:NEW.BJMC in (select BJ From XX_BJSJL) then (select BH from XX_BJSJL where:new.bjmc=bj) Else ' null ' end), (case WHEN:NEW.ZYDM is NULL then ' NU LL ' ELSE:NEW.ZYDM end),: New.xm,:new.xmpy,:new.cym,:new.pyfs,:new.xz,:new.rxrq,:new.nj,:new.sfzjh, (CASE:NEW.XB When ' male ' then 1 when ' female ' then 2 else 0 end),: NEW.XJZT,:NEW.XXNX,:NEW.ZYFX,:NEW.KSH,:NEW.BZ,:NEW.MM); ----Learning System Students other information insert into XGXT.BKS_XSQTXX@DBLINK_DXCTOXGXT (XH,MZDM,HKSZD,BYZX,LYDQ,CSRQ) VALUES (: NEW.XH,:NEW.MZM,
: NEW.JG,:NEW.BYZX,:NEW.LYDQ,:NEW.CSRQ);
----School system Student password table insert into XGXT.XSMMB@DBLINK_DXCTOXGXT (XH,MM) VALUES (: NEW.XH,:NEW.MM);
End /create or Replace trigger Tger_xs_xsjbsjzl_udt before update on ZFDXC.XS_XSJBSJZL to each row begin----Student basic information UPDA Te Xgxt.bks_xsjbxx@dblink_dxctoxgxt set xh=:new.xh,bmdm= (Case WHEN:NEW.XYMC in (select DWMC from Xx_yxsdwjbsjzl) then (SE Lect dwh from Xx_yxsdwjbsjzl where:new.xymc=dwmc) Else ' NU ' "End", bjdm= (Case WHEN:NEW.BJMC in (select BJ from XX_BJSJL) t Hen (select bh from XX_BJSJL where:new.bjmc=bj) Else ' null ' "End", zydm= (case WHEN:NEW.ZYDM is null then ' null ' else:n EW.ZYDM end), xm= (case when:new.xm are null then ' null ' ELSE:NEW.XM end), xmpy=:new.xmpy,cym=:new.cym,pyfs=:new.pyfs,xz=: NEW.XZ,RXNY=:NEW.RXRQ,NJ=:NEW.NJ,SFZH=:NEW.SFZJH, xbm= (case:new.xb when ' man ' then 1 when ' female ' then 2 else 0 end), xjztM=:NEW.XJZT,XXNX=:NEW.XXNX,ZYFX=:NEW.ZYFX,KSH=:NEW.KSH,BZ=:NEW.BZ,MM=:NEW.MM where xh=:old.xh; ----Learning System Students Other information update XGXT.BKS_XSQTXX@DBLINK_DXCTOXGXT set XH=:NEW.XH,MZDM=:NEW.MZM,HKSZD=:NEW.JG,BYZX=:NEW.BYZX,
LYDQ=:NEW.LYDQ,CSRQ=:NEW.CSRQ where xh=:old.xh;
End /create or replace trigger Tger_xs_xsjbsjzl_del before delete on Zfdxc.xs_xsjbsjzl for each row begin delete XGXT.BKS_XSJ
BXX@DBLINK_DXCTOXGXT where xh=:old.xh;
Delete Xgxt.bks_xsqtxx@dblink_dxctoxgxt where xh=:old.xh;
Delete Xgxt.xsmmb@dblink_dxctoxgxt where xh=:old.xh;
End 
/------------------------------------------------------------------------------------------------------------Personnel Create or replace trigger TRIG_XYDMBTOZFDXC after INSERT or DELETE or UPDATE of Code,info on dm_def_org for each ROW Begi
    N IF inserting THEN insert into XX_YXSDWJBSJZL@MEDI_DBLINK_ZFDXC (DWH,DWMC) VALUES (: New.code,:new.info);
   elsif deleting THEN delete from xx_yxsdwjbsjzl@medi_dblink_zfdxc where Dwh=:old.code; elsif Updating THEN Update XX_YXSDWJBSJZL@MEDI_DBLINK_ZFDXC set dwh=:new.code,dwmc=:new.info where Dwh=:old.code;
End IF;
End; /CREATE or REPLACE TRIGGER trig_overall after INSERT or DELETE or UPDATE--of x__staffid,x__name,x__namespell,x__oldname, X__birthday,x__sex,x__nationality,x__nation,x__nativeplace,x__bornplace,x__idcard,x__worktime,x__healthstate,x __bloodtype,x__colony,x__marriagestate,x__origin,x__personstation,x__fileno,x__joincollegetime,x__org,x__ Educationlevel,x__authsort,x__staffsort on overall for each ROW BEGIN IF inserting THEN insert INTO JG_JZGJCSJZ L@MEDI_DBLINK_ZFDXC (jgh,xm,xmpy,cym,csrq,xbm,gjm,mzm,jg,csdm,sfzjh,cjgzny,jkzkm,xxm,gatqwm,hyzkm,jtcsm,brcfm, DABH,LXRQ,DWH,WHCDM,BZLBM,JZGLBM,MM,XJXDM,ZGXL,ZGXW,RDSJ,RZWSJ) VALUES (: New. X__staffid,:new. X__name,:new. X__namespell,:new. X__oldname,:new. X__birthday,:new. X__sex,:new. X__nationality,:new. X__nation,:new. X__nativeplace,:new. X__bornplace,:new. X__idcard,:new. X__worktime,:new. X__healthstate,:new. X__bloodType,:new. X__colony,:new. X__marriagestate,:new. X__origin,:new. X__personstation,:new. X__fileno,:new. X__joincollegetime,:new. X__org,:new. X__educationlevel,:new. X__authsort,:new. X__staffsort, ' U ',: New. X__fileno,:new. X__educationlevel,:new. X__degree,:new. X__joindate,:new.
       X__appointdate); Insert into JG_ZYJSZWZL@MEDI_DBLINK_ZFDXC (JGH,RZZGMCM,PRZWM) VALUES (: New. X__staffid,:new. X__majorqualification,:new.
       X__appointduty); Insert into JG_ZZMMSJL@MEDI_DBLINK_ZFDXC (JGH,ZZMMM,CJRQ) VALUES (: New. X__staffid,:new. X__politics,:new.
   X__joindate); elsif deleting THEN delete from Jg_jzgjcsjzl@medi_dblink_zfdxc where jgh=:old.
      X__staffid; Delete from Jg_zyjszwzl@medi_dblink_zfdxc where jgh=:old.
      X__staffid; Delete from Jg_zzmmsjl@medi_dblink_zfdxc where jgh=:old.
   X__staffid; elsif updating THEN update JG_JZGJCSJZL@MEDI_DBLINK_ZFDXC set jgh=:new. X__staffid,xm=:new. X__name,xmpy=:new. X__namespell,cym=:new. X__oldname,csrq=:new. X__birthday,xbm=:new. X__sex,gjm=:new. X__nationality,mzm=:new. X__nation,jg=:new. X__nativeplace,csdm=:new. X__bornplace,sfzjh=:new. X__idcard,cjgzny=:new. X__worktime,jkzkm=:new. X__healthstate,xxm=:new. X__bloodtype,gatqwm=:new. X__colony,hyzkm=:new. X__marriagestate,jtcsm=:new. X__origin,brcfm=:new. X__personstation,dabh=:new. X__fileno,lxrq=:new. X__joincollegetime,dwh=:new. X__org,whcdm=:new. X__educationlevel,bzlbm=:new. X__authsort,jzglbm=:new. X__staffsort,xjxdm=:new. X__fileno,zgxl=:new. X__educationlevel,zgxw=:new. X__degree,rdsj=:new. X__joindate,rzwsj=:new. X__appointdate where Jgh=:old.
      X__staffid; Update JG_ZYJSZWZL@MEDI_DBLINK_ZFDXC set jgh=:new. X__staffid,rzzgmcm=:new. X__majorqualification,przwm=:new. X__appointduty where Jgh=:old.
      X__staffid; Update JG_ZZMMSJL@MEDI_DBLINK_ZFDXC set jgh=:new. X__staffid,zzmmm=:new. X__politics,cjrq=:new. X__joindate where Jgh=:old.
   X__staffid;
End IF;
End; /
-------------------------------------------------------------------------------------------------------------- ------Academic---Campus create or replace trigger tger_xqdm_ist before insert on ZFXFZB.XQDMB for each row begin inserts into XX_XQJBSJZL@DBLINK_JWGLTODX
C (XQH,XQM) VALUES (: NEW.XQDM,:NEW.XQMC);
End /create or Replace trigger Tger_xqdm_udt before update on ZFXFZB.XQDMB for each row begin update XX_XQJBSJZL@DBLINK_JWGLT
ODXC set XQH=:NEW.XQDM,XQM=:NEW.XQMC where XQH=:OLD.XQDM;
End /create or replace trigger Tger_xqdm_del before delete on ZFXFZB.XQDMB for each row begin delete Xx_xqjbsjzl@dblink_jwgl
TODXC where XQH=:OLD.XQDM;
End ---Professional create or replace trigger tger_zydm_ist before insert on ZFXFZB.ZYDMB for each row begin inserts into Jx_zyxxsjl@dbli NK_JWGLTODXC (Zyh,zymc,zyjc,zyywmc,dwh,xz,bzkzym) VALUES (: NEW.ZYDM,:NEW.ZYMC,:NEW.ZYJC,:NEW.ZYYWMC,:NEW.SSXYDM,:
NEW.XZ,:NEW.TJZYDM);
End /create or Replace trigger Tger_zydm_udt before update on ZFXFZB.ZYDMB for each row begin update Jx_zyxxsjl@dblink_jwglto DXC Set Zyh=:new.zydm,zymc=:new.zymc,zyjc=:new.zyjc,zyywmc=:new.zyywmc,dwh=:new.ssxydm,xz=:new.xz,bzkzym=:new. SSXYDM where ZYH=:OLD.ZYDM;
End /create or replace trigger Tger_zydm_del before delete on ZFXFZB.ZYDMB for each row begin delete JX_ZYXXSJL@DBLINK_JWGLT
ODXC where ZYH=:OLD.ZYDM;
End /---Class create or replace trigger tger_bjdm_ist before insert on ZFXFZB.BJDMB for each row begin inserts into Xx_bjsjl@dbli NK_JWGLTODXC (BH,BJ,BZRJGH,FDYH,ZYH,BJJC,ZYFX,SSXYDM,NJ,SSXQDM,XZ,CC) VALUES (: New.bjdm,:new.bjmc,:new.bzrzgh,:
new.fdyxm,:new.sszydm,:new.bjjc,:new.zyfx,:new.ssxydm,:new.nj,:new.ssxqdm,:new.xz,:new.cc);
End /create or Replace trigger Tger_bjdm_udt before update on ZFXFZB.BJDMB for each row begin update Xx_bjsjl@dblink_jwgltodx C Set Bh=:new.bjdm,bj=:new.bjmc,bzrjgh=:new.bzrzgh,fdyh=:new.fdyxm,zyh=:new.sszydm,bjjc=:new.bjjc,zyfx=:new.zyfx
, ssxydm=:new.ssxydm,nj=:new.nj,ssxqdm=:new.ssxqdm,xz=:new.xz,cc=:new.cc where BH=:OLD.BJDM;
End /create or replace trigger Tger_bjdm_del before delete on ZFXFZB.BJDMB for each row begin delete Xx_bjsjl@dblink_jwgltod
XC where BH=:OLD.BJDM;
End
/--Student Create or replace trigger tger_xsjbxx_ist before insert on ZFXFZB.XSJBXXB to each row declare V_BJDM varchar2 (5
0);
V_XYDM VARCHAR2 (50);
Begin begin select XYDM into V_XYDM from XYDMB where Xymc=:new.xy;
Exception when others then v_xydm:= ' 9 ';
End
Begin select Bjdm into V_BJDM from BJDMB where BJMC=:NEW.XZB;
Exception when others then v_bjdm:= ' 9 ';
End ----Data center Student basic data subclass INSERT into ZFDXC.XS_XSJBSJZL@DBLINK_JWGLTODXC (XH,XM,XMPY,CYM,CSRQ,JG,SFZJH,XYMC,ZYDM,ZYMC,BJMC, Mz,pyfs,ksh,xxnx,xz,xb,zyfx,pyfx,xjzt,sfzx,sfzc,bz,nj,rxrq,lydq,byzx,ssh,dzyxdz,lxdh,zkzh,jtszd,sflxs, TELNUMBER,TELLX,CC,YZBM,RXZF,YYCJ,ZZMM,MM) VALUES (: NEW.XH,:NEW.XM,:NEW.XMPY,:NEW.ZYM,:NEW.CSRQ,:NEW.JG,: NEW.SFZH,:NEW.XY,:NEW.ZYDM,:NEW.ZYMC,:NEW.XZB,:NEW.MZ,:NEW.XXXS,:NEW.KSH,:NEW.XXNX,:NEW.XZ,:NEW.XB,:NEW.ZYFX,: New.pyfx,:new.xjzt,:new.sfzx,:new.sfzc,:new.bz,:new.dqszj,:new.rxrq,:new. Lydq,:new. Byzx,:new. Ssh,:new. Dzyxdz,:new. Lxdh,:new. Zkzh,:new. Jtszd,:new. Sflxs,:new. Telnumber,:new. Tellx,:new. Cc,:new. YzbM,:new. Rxzf,:new.
YYCJ,:NEW.ZZMM,:NEW.MM); ----Data Center basic data subclass insert into ZFDXC.XS_XJJBSJZL@DBLINK_JWGLTODXC (XH,YXSH,ZYM,BH) VALUES (: new.xh,v_xydm,:new.zydm,v_
BJDM);
End 
/create or Replace trigger Tger_xsjbxx_udt before update on ZFXFZB.XSJBXXB to each row declare V_BJDM varchar2 (50);
V_XYDM VARCHAR2 (50);
Begin----Data Center student basic data subclass begin select XYDM into V_XYDM from XYDMB where Xymc=:new.xy;
Exception when others then v_xydm:= ' 9 ';
End
Begin select Bjdm into V_BJDM from BJDMB where BJMC=:NEW.XZB;
Exception when others then v_bjdm:= ' 9 ';
End Update XS_XSJBSJZL@DBLINK_JWGLTODXC Set xh=:new.xh,xm=:new.xm,xmpy=:new.xmpy,cym=:new.zym,csrq=:new.csrq,jg=: New.jg,sfzjh=:new.sfzh,xymc=:new.xy,zydm=:new.zydm,zymc=:new.zymc,bjmc=:new.xzb,mz=:new.mz,pyfs=:new.xxxs,ksh= : NEW.KSH,XXNX=:NEW.XXNX,XZ=:NEW.XZ,XB=:NEW.XB,ZYFX=:NEW.ZYFX,PYFX=:NEW.PYFX,XJZT=:NEW.XJZT,SFZX=:NEW.SFZX,SFZC =:new.sfzc,bz=:new.bz,nj=:new.dqszj,rxrq=:new.rxrq,lydq=:new. Lydq,byzx=:new. Byzx,ssh=:new. Ssh,dzyxdz=:new. DzyXdz,lxdh=:new. Lxdh,zkzh=:new. Zkzh,jtszd=:new. Jtszd,sflxs=:new. Sflxs,telnumber=:new. Telnumber,tellx=:new. Tellx,cc=:new. Cc,yzbm=:new. Yzbm,rxzf=:new. Rxzf,yycj=:new.
YYCJ,ZZMM=:NEW.ZZMM,MM=:NEW.MM where xh=:old.xh; ----Data Center basic Data Subclass View This column more highlights: Http://www.bianceng.cnhttp://www.bianceng.cn/database/Oracle/update Xs_
XJJBSJZL@DBLINK_JWGLTODXC set XH=:NEW.XH,YXSH=V_XYDM,ZYM=:NEW.ZYDM,BH=V_BJDM where xh=:old.xh;
End /create or replace trigger Tger_xsjbxx_del before delete on ZFXFZB.XSJBXXB for each row begin delete Xs_xsjbsjzl@dblink_
JWGLTODXC where xh=:old.xh;
Delete Xs_xjjbsjzl@dblink_jwgltodxc where xh=:old.xh;
End
    
/--External teacher create or replace trigger TRIG_WPJS_ZFDXC after insert or delete or update of ZGH,XM,BM in JSXXB for each row
DECLARE V_BMDM VARCHAR2 (10);
Len number;
Begin SELECT COUNT (Jgh) into the Len from JG_JZGJCSJZL@DBLINK_JWGLTODXC where Jgh=:old.zgh and sjly= ' personnel '; If len=0 and:new.sjly| | ' A ' <> ' personnel a ' then--No personnel data begin select XYDM into V_BMDM from XYDMB where xymc=:NEW.BM;
Exception when others then v_bmdm:= '-9 ';
  End
  If inserting then insert into JG_JZGJCSJZL@DBLINK_JWGLTODXC (jgh,xm,dwh,sjly) VALUES (: NEW.ZGH,:NEW.XM,V_BMDM, ' Dean ');
  elsif deleting then delete from jg_jzgjcsjzl@dblink_jwgltodxc where jgh=:old.zgh;
  elsif updating then update JG_JZGJCSJZL@DBLINK_JWGLTODXC set JGH=:NEW.ZGH,XM=:NEW.XM,DWH=V_BMDM where Jgh=:old.zgh;
End If;
End If;
    
End /