
Cách sử dụng script này:
1. Mở TOAd hoặc SQL Navigator
/***** 1. Tao tablespace *****/
--select * from dba_tablespaces
where tablespace_name like '%2021%' order by tablespace_name;
--select * from dba_data_files
where tablespace_name in ('DATA2021','INDX2021');
-- Sau nay read only tablespace này
create tablespace DATA2020
datafile '+DATA' size 1g autoextend
on next 100m;
create tablespace INDX2020
datafile '+DATA' size 1g autoextend
on next 100m;
-- Sau này read write
tablespace 3, 5, 10 năm
create tablespace
DATA2020_RW datafile '+DATA' size
1g autoextend on next 100m;
create tablespace
INDX2020_RW datafile '+DATA' size
1g autoextend on next 100m;
/**** 2. GEN PARTITION *****/
/* 2.1.GEN PARTITION THEO
NĂM: */
select 'alter table
'||table_owner||'.'||table_name||' add PARTITION DATA2021 VALUES LESS THAN
(TO_DATE(''2021-01-01 00:00:00'', ''SYYYY-MM-DD HH24:MI:SS'',
''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE DATA2020;'
from dba_tab_partitions
WHERE
PARTITION_NAME LIKE '%2019%'
and
table_name not like '%$%' and table_name not like 'XXX%' --and
table_name not like 'TMP%'
and
table_owner not in ('Test')
GROUP
BY table_owner, table_name
having
length(max(partition_name))<9
order
by table_owner,table_name;
--2.1.1.Rebuild index theo
năm:
DECLARE
v_nam varchar2(4)
:= '2020';
v_tablespace varchar2(50):='INDX';
cursor c1 is
select
table_owner,table_name,max(partition_name)
from
dba_tab_partitions where table_name not like '%$%' and table_name not like
'XXX%' --and table_name not like 'TMP%'
and
table_name not in ('Test')
group
by table_owner,table_name having max(partition_name) like '%'||2020||'%' and
length(max(partition_name))<9 order by table_owner,table_name;
cursor c2
(p_tablename varchar2,p_owner varchar2) is
select
* from DBA_PART_INDEXES where table_name = p_tablename and owner=p_owner;
BEGIN
for r1 in c1
LOOP
FOR r2 in
c2(r1.table_name,r1.table_owner)
LOOP
DBMS_OUTPUT.put_line
('alter index '|| r1.table_owner||'.'||r2.index_name || ' REBUILD PARTITION
DATA'||v_nam||' TABLESPACE '||v_tablespace||v_nam||' nologging noparallel
online;');
END LOOP;
end loop;
END;
/* 2.2.GEN PARTITION THEO THÁNG */
DECLARE
v_nam NUMBER
(4) := 2020;
v_thang_from NUMBER
(2) := 1;
v_thang_to NUMBER
(2) := 12;
v_tablespace varchar2(50):='DATA';
CURSOR
c1
IS
select
table_owner, table_name,max(partition_name)
from
dba_tab_partitions
WHERE
PARTITION_NAME LIKE '%2019%'
and
table_name not like '%$%' and table_name not like '%TEST%' and table_name not
like 'XXX%' and table_name not like '%BAK' and table_name not like 'BK%'
GROUP
BY table_owner, table_name
having
length(max(partition_name))=10 and max(partition_name) like '%201912'
order
by table_owner,table_name;
BEGIN
for r1 in
c1 loop
FOR
i IN v_thang_from .. (v_thang_to-1)
LOOP
DBMS_OUTPUT.put_line
('alter table '||r1.table_owner ||'.'|| r1.table_name || ' add PARTITION
DATA'||v_nam||LPAD (i, 2, '0')||' VALUES LESS THAN (TO_DATE('''|| v_nam
||'-'||LPAD (i+1, 2, '0')||'-01 00:00:00'', ''SYYYY-MM-DD HH24:MI:SS'',
''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE '||v_tablespace||v_nam||';');
END
LOOP;
DBMS_OUTPUT.put_line
('alter table '|| r1.table_owner ||'.'|| r1.table_name || ' add PARTITION
DATA'||v_nam||LPAD (to_char(v_thang_to), 2, '0')||' VALUES LESS THAN
(TO_DATE('''|| (v_nam +1) ||'-01-01 00:00:00'', ''SYYYY-MM-DD HH24:MI:SS'',
''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE '||v_tablespace||v_nam||';');
end loop;
END;
-- 2.2.1.Rebuild INDEX theo thang:
DECLARE
v_nam varchar2(4)
:= '2020';
v_thang_from NUMBER
(2) := 01;
v_thang_to NUMBER
(2) := 12;
v_tablespace varchar2(50):='INDX';
cursor c1 is
select
table_owner,table_name,max(partition_name)
from
dba_tab_partitions where table_name not like '%$%' and table_name not like
'XXX%'
group
by table_owner,table_name having max(partition_name) like '%'||2020||'%' and
length(max(partition_name))=10 order by
table_owner,table_name;
cursor c2
(p_tablename varchar2,p_owner varchar2) is
select
* from DBA_PART_INDEXES where table_name = p_tablename and owner=p_owner;
BEGIN
for r1 in c1
LOOP
FOR r2 in
c2(r1.table_name,r1.table_owner)
LOOP
FOR
i IN v_thang_from .. (v_thang_to)
LOOP
DBMS_OUTPUT.put_line
('alter index '|| r1.table_owner||'.'||r2.index_name || ' REBUILD PARTITION
DATA'||v_nam||LPAD (to_char(i), 2, '0')||' TABLESPACE '||v_tablespace||v_nam||'
nologging parallel 8 online;');
END
LOOP; END LOOP;
end loop;
END;
/* 2.3.GEN PARTITION THEO NGAY */
--2.3.1.Gen data partition theo ngay_MAIN_OWNER
-- Chay vao ban dem > 22h, lock
~200, active session ~ 1000
-- Có thể gặp Event: library cache lock, cursor: pin S wait on X
DECLARE
v_tablename VARCHAR2
(50);
v_date_from date;
v_date_to date
:= to_date('31/12/2020','dd/mm/yyyy');
v_numday number;
v_tablespace
varchar2(50):='DATA';
cursor c1 is
select
table_owner,table_name,MAX(PARTITION_NAME) par_name from dba_tab_partitions
where (table_owner, table_name, partition_name) in (
select
table_owner,table_name,MAX(PARTITION_NAME) par_name
from
dba_tab_partitions
where
LENGTH(PARTITION_NAME)>=11
and
table_name not like '%$%' and table_name not like 'XXX%'
and
table_owner= 'MAIN_OWNER'
group
by table_owner, table_name
)
and
partition_name like 'DATA20191231%'
GROUP
BY table_owner,table_name order by table_owner,table_name;
BEGIN
for r1 in
c1 loop
v_tablename:=r1.table_owner||'.'||r1.table_name;
v_date_from:=to_date(substr(r1.par_name,5,8),'YYYYMMDD')+1;
v_numday:=v_date_to-v_date_from;
FOR
i IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line
('alter table '|| v_tablename || ' add PARTITION
DATA'||to_char(v_date_from+i,'YYYYMMDD')||' VALUES LESS THAN (TO_DATE('''||
to_char(v_date_from+i+1,'YYYY-MM-DD')||' 00:00:00'', ''SYYYY-MM-DD
HH24:MI:SS'', ''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE DATA2020;');
END
LOOP;
end
loop;
END;
--
2.3.1.1.Rebuild Index theo ngay MAIN_OWNER
DECLARE
v_date_from date :=
to_date('01/01/2020','dd/mm/yyyy');
v_date_to date :=
to_date('31/12/2020','dd/mm/yyyy');
v_numday number;
v_tablespace
varchar2(50):='INDX';
cursor c1 is
select
a.* from DBA_PART_INDEXES a, DBA_TAB_PARTITIONS b where a.owner=B.TABLE_OWNER
and a.table_name=B.TABLE_NAME
and
a.owner='CUS_OWNER' and a.index_name not like '%$%' and b.partition_name like
'%20191231' order by a.owner,a.index_name;
BEGIN
v_numday:=v_date_to-v_date_from;
FOR i1 in c1
LOOP
FOR
i IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line
('alter index '||i1.owner||'.'||i1.index_name || ' REBUILD PARTITION
DATA'||to_char(v_date_from+i,'YYYYMMDD')||' TABLESPACE
'||v_tablespace||to_char(v_date_from+i,'YYYY')||' nologging parallel 8
online;');
END
LOOP;
END LOOP;
END;
--2.3.2.Gen
data partition theo ngay_User khac
DECLARE
v_tablename VARCHAR2
(50);
v_date_from date;
v_date_to date
:= to_date('31/12/2020','dd/mm/yyyy');
v_numday number;
v_tablespace
varchar2(50):='DUMP_DATA';
cursor c1 is
select
table_owner,table_name,MAX(PARTITION_NAME) par_name
from
dba_tab_partitions
WHERE
(LENGTH(PARTITION_NAME)>=12 AND PARTITION_NAME LIKE '%20201231'
and
table_name not like '%$%' and table_name not like 'XXX%' and table_name not
like '%TEST%' and table_name not like '%DAILY_20%'
and table_owner
not in ('MAIN_OWNER')
GROUP
BY table_owner,table_name order by table_owner,table_name;
BEGIN
for r1 in
c1 loop
v_tablename:=r1.table_owner||'.'||r1.table_name;
v_date_from:=to_date(substr(r1.par_name,5,8),'YYYYMMDD')+1;
v_numday:=v_date_to-v_date_from;
if
r1.table_name in ('REQUEST_LOG','RESPOND_LOG') then
FOR
i IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line
('alter table '|| v_tablename || ' add PARTITION
DATA'||to_char(v_date_from+i,'YYYYMMDD')||' VALUES LESS THAN (TO_DATE('''||
to_char(v_date_from+i+1,'YYYY-MM-DD')||' 00:00:00'', ''SYYYY-MM-DD
HH24:MI:SS'', ''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE LOB
noparallel;');
END
LOOP;
elsif
r1.table_name in ('AUDIT_LOG') then
FOR
i IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line
('alter table '|| v_tablename || ' add PARTITION
DATA'||to_char(v_date_from+i,'YYYYMMDD')||' VALUES LESS THAN (TO_DATE('''||
to_char(v_date_from+i+1,'YYYY-MM-DD')||' 00:00:00'', ''SYYYY-MM-DD
HH24:MI:SS'', ''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE ' ||
substr(r1.par_name,1,8)|| ' noparallel;');
END
LOOP;
else
LOOP
DBMS_OUTPUT.put_line
('alter table '|| v_tablename || ' add PARTITION
DATA'||to_char(v_date_from+i,'YYYYMMDD')||' VALUES LESS THAN (TO_DATE('''||
to_char(v_date_from+i+1,'YYYY-MM-DD')||' 00:00:00'', ''SYYYY-MM-DD
HH24:MI:SS'', ''NLS_CALENDAR=GREGORIAN'')) LOGGING TABLESPACE ' ||
substr(r1.par_name,1,8) ||' noparallel;');
END
LOOP;
end
if;
end
loop;
END;
--
2.3.2.1.Rebuild Index theo ngày user khac
--
Lưu tại DUMP_INDX
DECLARE
v_date_from date :=
to_date('01/01/2020','dd/mm/yyyy');
v_date_to date :=
to_date('31/12/2020','dd/mm/yyyy');
v_numday number;
v_tablespace
varchar2(50):='DUMP_INDX';
select
a.*,b.partition_name from DBA_PART_INDEXES a, DBA_TAB_PARTITIONS b where
a.owner=B.TABLE_OWNER and a.table_name=B.TABLE_NAME
and
a.owner!='USER_OWNER' and a.index_name not like '%$%' and b.partition_name like
'%20201231'
order
by a.owner,a.index_name;
BEGIN
v_numday:=v_date_to-v_date_from;
FOR i1 in c1
LOOP
if
i1.owner='TEST_GATEWAY' then
FOR
i IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line
('alter index '||i1.owner||'.'||i1.index_name || ' REBUILD PARTITION
DATA'||to_char(v_date_from+i,'YYYYMMDD')||' TABLESPACE LOB nologging
parallel 8 online;');
END
LOOP;
DBMS_OUTPUT.put_line
('alter index '||i1.owner||'.'||i1.index_name || ' noparallel;');
else
FOR
j IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line
('alter index '||i1.owner||'.'||i1.index_name || ' REBUILD PARTITION
DATA'||to_char(v_date_from+j,'YYYYMMDD')||' TABLESPACE INDX' ||
substr(i1.partition_name,5,4) ||' nologging parallel 8 online;');
END
LOOP;
DBMS_OUTPUT.put_line
('alter index '||i1.owner||'.'||i1.index_name || ' noparallel;');
end
if;
END LOOP;
END;
--
2.3.4.Set noparallel index
DECLARE
cursor c1 is
select
distinct a.index_owner, a.index_name from DBA_ind_partitions a
where a.index_owner='USER_OWNER' and a.index_name not like '%$%' and
a.partition_name like '%20201231'
order
by a.index_owner,a.index_name;
BEGIN
FOR i1 in c1
LOOP
DBMS_OUTPUT.put_line
('alter index '||i1.index_owner||'.'||i1.index_name || ' noparallel;');
END LOOP;
END;
-- Một số câu lệnh khác hỗ trợ
trong quá trình thực hiện
--Optional: Rebuild INDX PARTITION
theo ngay, 1 bang
DECLARE
v_tablename VARCHAR2
(50) := 'REQUEST';
v_owner VARCHAR2
(50) := 'USER_OWNER';
v_date_from date :=
'1/11/2011';
v_date_to date :=
'31/12/2011';
v_numday number(2);
v_tablespace
varchar2(50):='INDX';
cursor c1 is
select
* from DBA_PART_INDEXES where table_name = v_tablename and owner=v_owner;
BEGIN
v_numday:=v_date_to-v_date_from;
FOR i1 in c1
LOOP
FOR
i IN 0 .. v_numday
LOOP
DBMS_OUTPUT.put_line
('alter index '||v_owner||'.'||i1.index_name || ' REBUILD PARTITION
DATA'||to_char(v_date_from+i,'YYYYMMDD')||' TABLESPACE
'||v_tablespace||to_char(v_date_from+i,'YYYYMM')||';');
END
LOOP;
END LOOP;
END;
-- MONITORING: Neu
active session > 600, lock > 50 thi kill tien trinh
-- Trong quá trình thêm partition cần MONITOR chặt chẽ tránh tình trạng
lock, cao tải gây
timeout ứng dụng, nếu gặp lock, cao tải cần dừng lại và chọn thời điểm THẤP TẢI khác để chạy (ví dụ 1h,2h,...)
-- Active session
SELECT distinct s.inst_id i#,
s.username, s.SID SID, s.osuser, s.machine,DECODE(S.WAIT_TIME, 0, S.EVENT,
'CPU') ACTION,
s.sql_id,
SUBSTR(DECODE(SS.SQL_TEXT, NULL, AA.NAME, SS.SQL_TEXT), 1, 1000)
SQLTEXT,s.logon_time,s.p1text, S.P1, s.p2text, S.P2, s.p3text, S.P3
FROM GV$SESSION S, GV$SQLSTATS SS,
AUDIT_ACTIONS AA
WHERE S.STATUS =
'ACTIVE' AND S.SQL_ID = SS.SQL_ID (+) AND AA.ACTION = S.COMMAND and s.type !=
'BACKGROUND' AND S.TYPE = 'USER'
--and s.username not in
('SYS','SYSMAN')
--AND username LIKE 'SYS'
--and s.sid=1234
--and s.machine like '%app-2%'
--and DECODE(S.WAIT_TIME, 0,
S.EVENT, 'CPU') like '%cell single block physical read%'
--and s.sql_id ='cb66zngs8xz5j'
--and lower(ss.sql_text) like
lower('%test_customer%')
ORDER BY
i#,username,sql_id,machine,S.SID;
/************************************************** LOCK
SESSION, WAITING *********************************************************/
select status, count(*) from
gv$session group by status order by status;
Select /*blocking_session*/
inst_id,blocking_session, sid, serial#, sql_id, wait_class, seconds_in_wait,
username,STATUS,SCHEMANAME,OSUSER,MACHINE,PROGRAM,TYPE,LOGON_TIME
From gv$session where
blocking_session is not NULL and type not like 'BACKGROUND' order by inst_id
--order by blocking_session;
SELECT /*blocking_session*/
inst_id, sid, DECODE (request, 0, 'Holder: ', 'Waiter: ') || sid sess,
id1,id2,lmode, request,TYPE
FROM GV$LOCK WHERE (id1, id2, TYPE)
IN (SELECT id1, id2, TYPE FROM GV$LOCK WHERE request > 0) ORDER
BY id1, request;
/************************************************** SESSIONS
*********************************************************/
select count(*) from gv$session ;
select /* count , status*/
username,status, count(*) from gv$session group by username,status order by
count(*) desc;
select USERNAME,count(*) from
gv$session group by USERNAME order by count(*) desc;
select machine,count(*) from
v$session group by machine order by count(*) desc;
select inst_id, count(*) from gv$session
group by inst_id;
select /*Thong ke theo
status*/ username,status,count(*) from gv$session where username
like 'TEST_OWNER%' group by username,status order by count(*) desc;
select /*Thong ke theo inst_id*/
inst_id,count(*), username from gv$session where username like 'TEST_OWNER%'
group by inst_id, username order by username;
select /* user theo machine */
machine,count(*), username from gv$session where username like 'TEST_OWNER%'
group by machine, username order by username;
/**************************************************
KILLER *********************************************************/
SELECT
/*username*/ 'kill -9 ' || SPID A ,a.INST_ID,A.SID,A.SQL_ID,
a.USERNAME, a.STATUS,A.SCHEMANAME,a.OSUSER,A.MACHINE,A.PROGRAM,A.TYPE,A.LOGON_TIME,BACKGROUND,
A.EVENT
FROM gv$session a, gv$process b
WHERE b.ADDR = a.paddr
AND a.inst_id=b.inst_id
--AND B.inst_id = 1
--and a.status='INACTIVE'
--and A.USERNAME LIKE 'TEST%'
--AND A.USERNAME not in
('SYS','SYSTEM','SYSMAN','BINHTV','DBSNMP','GGATE')
--and a.username not in
('SYS','SYSTEM','SYSMAN','BINHTV','DBSNMP','GGATE','APP1','APP2','APP3')
AND a.program not LIKE '%Toad.exe%'
--AND sql_id in
('44t0dk94q3xqg','6uac7nnud2gfa')
and machine like
'%TCTK-BINHTV%'
--and a.event in ('library cache
lock','brary cache load lock','cursor: pin S wait on X','library cache pin','gc
buffer busy acquire','enq: TS - contention','enq: TX - row lock contention','db
file parallel read')
and type='USER'
order by a.inst_id;
SELECT /*SID*/ 'kill -9
' || spid a, a.INST_ID,A.SQL_ID,A.SID, A.SERIAL#, a.USERNAME,
a.STATUS,A.SCHEMANAME,a.OSUSER,A.MACHINE,A.PROGRAM,A.TYPE,A.LOGON_TIME,BACKGROUND
FROM gv$session a, gv$process b
WHERE b.addr = a.paddr
AND a.inst_id=b.inst_id
--and b.inst_id=2
AND a.sid in (
5812
)
and type='USER'
order by inst_id;
/***** 3.CHECK PARTITION *****/
-- Check partition theo NAM,
max partition 2020 la OK
select
table_owner,table_name,partition_name from dba_tab_partitions
where
(table_owner,table_name,partition_position) in
(select
table_owner,table_name,max(partition_position) from dba_tab_partitions
where
table_name not like '%$%'
group by
table_name,table_owner)
and length(partition_name)<9
order by 1,2,3;
---- Check partition theo THANG, max
partiton 202012 la OK
select
table_owner,table_name,partition_name from dba_tab_partitions where
(table_owner,table_name,partition_position) in
(select
table_owner,table_name,max(partition_position) from dba_tab_partitions
where table_name not like '%$%'
group by table_name,table_owner)
and length(partition_name)>=9
--and partition_name like
'DATA201912'
and length(partition_name)<11
order by table_owner, table_name,
partition_name;
---- Check partition theo NGAY, max
partiton 20201231 la OK
select
table_owner,table_name,partition_name from dba_tab_partitions where
(table_owner,table_name,partition_position) in
(select
table_owner,table_name,max(partition_position) from dba_tab_partitions
where table_name not like '%$%'
group by table_name,table_owner)
and length(partition_name)>=11
and partition_name like
'DATA20191231'
order by table_owner, table_name,
partition_name;
-- Check ALL (nam, thang, ngay)
-- Dam bao nam 2019, thang 201912,
ngay 20201231
select
table_owner,table_name,partition_name from dba_tab_partitions where
(table_owner,table_name,partition_position) in
(select
table_owner,table_name,max(partition_position) from dba_tab_partitions
where table_name not like '%$%'
group by table_name,table_owner)
order by table_owner, table_name,
partition_name;
--Test lai sau khi gen partitioin,
null la OK
SELECT table_owner, table_name
FROM
( SELECT table_owner, table_name, MAX (PARTITION_NAME) FROM
dba_tab_partitions
WHERE
PARTITION_NAME LIKE '%2019%' and table_name not like '%$%'
GROUP
BY table_owner, table_name)
MINUS
SELECT table_owner, table_name
FROM
( SELECT table_owner, table_name, MAX
(PARTITION_NAME) FROM dba_tab_partitions
WHERE
PARTITION_NAME LIKE '%2020%' and table_name not like '%$%'
GROUP
BY table_owner, table_name);
SELECT table_owner, table_name
FROM
( SELECT table_owner, table_name, MAX (PARTITION_NAME) FROM
dba_tab_partitions
WHERE
PARTITION_NAME LIKE '%2020%' and table_name not like '%$%'
GROUP
BY table_owner, table_name)
MINUS
SELECT table_owner, table_name
FROM
( SELECT table_owner, table_name, MAX
(PARTITION_NAME) FROM dba_tab_partitions
WHERE
PARTITION_NAME LIKE '%2019%' and table_name not like '%$%'
GROUP
BY table_owner, table_name);
---------------------------
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* Bạn có mong muốn từng bước trở thành chuyên gia DBA không? Nếu câu trả lời là CÓ thì hãy nhanh chóng đăng ký sở hữu trọn đời khóa học online "Quản trị cơ sở dữ liệu cơ bản" của tôi tại Unica (bạn có thể xem trên điện thoại, máy tính bảng, PC vào bất kỳ lúc nào chỉ cần có mạng Internet). Hiện tại tôi đang khuyến mại cho 100 bạn đăng ký đầu tiên giảm giá từ 2400K còn 799K, CAM KẾT HOÀN TIỀN 100% nếu học xong không có kết quả:
- Môn 1: Quản trị Oracle 12 cơ bản, giảm giá 70% HÔM NAY cho 100 bạn đầu tiên từ 2tr4 còn 799K theo link: https://bit.ly/3d2ofqZ (khoá này học ở Oracle hãng là 1.500$), chuyển khoản còn 699K
- Môn 2: Quản trị Linux trong 21h, cũng giảm giá 70% HÔM NAY cho 100 bạn đầu tiên từ 2tr4 còn 799K theo link: https://bit.ly/3e7gwJw, chuyển khoản còn 699K
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