Dzimwe nhamba dzesaiti mune yako diki yekuchengetedza

Nekuongorora nhamba dzesaiti, tinowana pfungwa yezviri kuitika nazvo. Isu tinoenzanisa mibairo neimwe ruzivo nezve chigadzirwa kana sevhisi uye nekudaro tinovandudza ruzivo rwedu.

Kana kuongororwa kwemigumisiro yekutanga kwapera, ruzivo rwakanzwisiswa uye mhedziso dzakatorwa, danho rinotevera rinotanga. Mazano anomuka: chii chichaitika kana iwe ukatarisa data kubva kune rumwe rutivi?

Pane zvipimo zvezvishandiso zvekuongorora panguva ino. Ichi ndicho chimwe chezvikonzero nei Google Analytics yakanga isina kundikwanira, izvo nekuda kwekusakwanisa kuona nekushandisa data rangu.

Ini ndaigara ndichida kukurumidza kurodha data rekutanga (master data), wedzera imwe nhanho yekuunganidza, kana kududzira hunhu huripo zvakasiyana.

Izvi zviri nyore kuita mukati muimba yako diki yekuchengetera zvichibva pakuwana.log faira uye mutauro weSQL wakakwana pane izvi.

Saka ndeipi mibvunzo yandaida kupindurwa?

Chii uye kana chakashandurwa pane saiti

Nhoroondo yekuchinja mune yepasi data (master data) inogara ichifarira.

SQL report query

SELECT
	1 as 'SideStackedBar: Content Updates by Months',
	strftime('%m/%Y', datetime(UPDATE_DT, 'unixepoch')) AS 'Day',
	COUNT(CASE WHEN PAGE_TITLE != 'n.a.' THEN DIM_REQUEST_ID END) AS 'Web page updates',
	COUNT(CASE WHEN PAGE_DESCR = 'IMAGES' THEN DIM_REQUEST_ID END) AS 'Image uploads',
	COUNT(CASE WHEN PAGE_DESCR = 'VIDEO' THEN DIM_REQUEST_ID END) AS 'Video uploads',
	COUNT(CASE WHEN PAGE_DESCR = 'AUDIO' THEN DIM_REQUEST_ID END) AS 'Audio uploads'
FROM DIM_REQUEST
WHERE PAGE_TITLE != 'n.a.' OR PAGE_DESCR != 'n.a.'
GROUP BY strftime('%m/%Y', datetime(UPDATE_DT, 'unixepoch'))
ORDER BY UPDATE_DT

Semuenzaniso, pane imwe nguva, injini yekutsvaga optimization yakaitwa kana zvinyorwa zvitsva zvakawedzerwa kune saiti, uye saka kuwedzera kwetraffic kunotarisirwa.

Boka revashandisi

Muenzaniso wakapfava weboka mushandisi wemushandisi kana zita rekushandisa sisitimu.

Mushandisi wemumiririri akaunganidza marekodhi angangoita chiuru uye ndaifarira kuona mafambisirwo ekugoverwa kwevamiririri mukati meboka.

SQL report query

SELECT
	1 AS 'SideStackedBar: User Agents',
	AGENT_OS AS 'OS',
	SUM(CASE WHEN AGENT_BOT = 'n.a.' THEN 1 ELSE 0 END ) AS 'User Agent of Users',
	SUM(CASE WHEN AGENT_BOT != 'n.a.' THEN 1 ELSE 0 END ) AS 'User Agent of Bots'
FROM DIM_USER_AGENT
WHERE DIM_USER_AGENT_ID != -1
GROUP BY AGENT_OS
ORDER BY 3 DESC

Mazhinji masanganiswa akasiyana evamiririri anouya kune saiti kubva kuWindows world. Pakati pevasina kuzivikanwa vaive WhatsApp, PocketImageCache, PlayStation, SmartTV, nezvimwe.

Basa reboka revashandisi nevhiki

Nekubatanidza mamwe mapoka, munhu anogona kuona kugoverwa kwebasa ravo.

Semuenzaniso, vashandisi veLinux cluster vanoshandisa yakawanda webhusaiti traffic kupfuura munhu wese.

SQL report query

SELECT
1 as 'StackedBar: Traffic Volume by User OS and by Week',
strftime('%W week', datetime(FCT.EVENT_DT, 'unixepoch')) AS 'Week',
SUM(CASE WHEN USG.AGENT_OS IN ('Android', 'Linux') THEN FCT.BYTES ELSE 0 END)/1000 AS 'Android/Linux Users',
SUM(CASE WHEN USG.AGENT_OS IN ('Windows') THEN FCT.BYTES ELSE 0 END)/1000 AS 'Windows Users',
SUM(CASE WHEN USG.AGENT_OS IN ('Macintosh', 'iOS') THEN FCT.BYTES ELSE 0 END)/1000 AS 'Mac/iOS Users',
SUM(CASE WHEN USG.AGENT_OS IN ('n.a.', 'BlackBerry') THEN FCT.BYTES ELSE 0 END)/1000 AS 'Other'
FROM
  FCT_ACCESS_USER_AGENT_DD FCT,
  DIM_USER_AGENT USG,
  DIM_HTTP_STATUS HST
WHERE FCT.DIM_USER_AGENT_ID=USG.DIM_USER_AGENT_ID
  AND FCT.DIM_HTTP_STATUS_ID = HST.DIM_HTTP_STATUS_ID
  AND USG.AGENT_BOT = 'n.a.' /* users only */
  AND HST.STATUS_GROUP IN ('Successful') /* good pages */
  AND datetime(FCT.EVENT_DT, 'unixepoch') > date('now', '-3 month')
GROUP BY strftime('%W week', datetime(FCT.EVENT_DT, 'unixepoch'))
ORDER BY FCT.EVENT_DT

Kunyanya kushandiswa kwemotokari

Tafura inoratidza mapoka evashandisi anonyanya kushanda uye zuva rekuita kwavo.
Iwo anoshanda zvakanyanya ndeweLinux cluster.

SQL report query

SELECT
1 AS 'Table: User Agent with Havy Usage',
strftime('%d.%m.%Y', datetime(FCT.EVENT_DT, 'unixepoch')) AS 'Day',
ROUND(1.0*SUM(FCT.BYTES)/1000000, 1) AS 'Traffic MB',
ROUND(1.0*SUM(FCT.IP_CNT)/SUM(1), 1) AS 'IPs',
ROUND(1.0*SUM(FCT.REQUEST_CNT)/SUM(1), 1) AS 'Requests',
USA.DIM_USER_AGENT_ID AS 'ID',
MAX(USA.USER_AGENT_NK) AS 'User Agent',
MAX(USA.AGENT_BOT) AS 'Bot'
FROM
FCT_ACCESS_USER_AGENT_DD FCT,
DIM_USER_AGENT USA
WHERE FCT.DIM_USER_AGENT_ID = USA.DIM_USER_AGENT_ID
  AND datetime(FCT.EVENT_DT, 'unixepoch') >= date('now', '-30 day')
GROUP BY USA.DIM_USER_AGENT_ID, strftime('%d.%m.%Y', datetime(FCT.EVENT_DT, 'unixepoch')) 
ORDER BY SUM(FCT.BYTES) DESC, FCT.EVENT_DT
LIMIT 10

Uchishandisa zuva uye agent ID hunhu, zvinoita kuti uwane nekukurumidza kutsvaga uye kuteedzera manhamba pamazuva ega ega evashandisi mapoka. Kana zvichidikanwa, unogona kukurumidza kuwana ruzivo rwakadzama mutafura yechikuva.

Nzira yekuwana ruzivo?

Ruzivo kubva kune access.log faira inogona kuitwa yakatonyanya kushanda nekubatanidza mamwe masosi edata uye kuunza nhanho nyowani dzekuunganidza nemapoka.

Basic data uye masangano

Yekutanga data inosanganisira ruzivo nezve masangano: mapeji ewebhu, mapikicha, vhidhiyo uye odhiyo zvemukati, mune yechitoro - zvigadzirwa.

Iwo masangano pachawo anoita seyero, uye maitiro ekuchengetedza shanduko muhunhu anonzi historicization. Mune dhatabhesi, maitiro aya anowanzoitwa nenzira yezvimiro zvishoma nezvishoma (SCD).

Iyo sosi data inogona kubva kune akasiyana masisitimu, saka anenge anogara achida kubatanidzwa.

Zvishoma nezvishoma kuchinja dimension

Iyo DIM_REQUEST dimension ichange iine ruzivo nezve zvikumbiro zvesaiti mune nhoroondo fomu.

Tafura SCD2

CREATE TABLE DIM_REQUEST ( /* scd table for user requests */
  DIM_REQUEST_ID      INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
  DIM_REQUEST_ID_HIST INTEGER NOT NULL DEFAULT -1,
  REQUEST_NK          TEXT NOT NULL DEFAULT 'n.a.', /* request without ?parameters */
  PAGE_TITLE          TEXT NOT NULL DEFAULT 'n.a.',
  PAGE_DESCR          TEXT NOT NULL DEFAULT 'n.a.',
  PAGE_KEYWORDS       TEXT NOT NULL DEFAULT 'n.a.',
  DELETE_FLAG         INTEGER NOT NULL DEFAULT 0,
  UPDATE_DT           INTEGER NOT NULL DEFAULT 0,
  UNIQUE (REQUEST_NK, DIM_REQUEST_ID_HIST)
);
INSERT INTO DIM_REQUEST (DIM_REQUEST_ID) VALUES (-1);

Pamusoro pazvo, isu tichagadzira imwe maonero anogara achiratidza ese marekodhi mune yazvino mamiriro. Inodiwa pakurodha kuyerwa pachayo.

Ikozvino kumiririrwa kweSCD2

/* Content: actual view on scd table */
SELECT HI.DIM_REQUEST_ID,
  HI.DIM_REQUEST_ID_HIST,
  HI.REQUEST_NK,
  HI.PAGE_TITLE,
  HI.PAGE_DESCR,
  HI.PAGE_KEYWORDS,
  NK.CNT AS HIST_CNT,
  HI.DELETE_FLAG,
  strftime('%d.%m.%Y %H:%M', datetime(HI.UPDATE_DT, 'unixepoch')) AS UPDATE_DT
FROM
  ( SELECT REQUEST_NK, MAX(DIM_REQUEST_ID) AS DIM_REQUEST_ID, SUM(1) AS CNT
    FROM DIM_REQUEST
    GROUP BY REQUEST_NK
  ) NK,
  DIM_REQUEST HI
WHERE 1 = 1
  AND NK.REQUEST_NK = HI.REQUEST_NK
  AND NK.DIM_REQUEST_ID = HI.DIM_REQUEST_ID;

Uye maonero apo ruzivo rwezvakaitika kare runounganidzwa kune imwe neimwe yekupinda. Izvo zvinodikanwa kuvaka hukama hwakarurama hwenhoroondo nezvokwadi.

Nhoroondo kuratidzwa kweSCD2

/* Content: actual view on scd table */
SELECT SCD.DIM_REQUEST_ID,
  SCD.DIM_REQUEST_ID_HIST,
  SCD.REQUEST_NK,
  SCD.PAGE_TITLE,
  SCD.PAGE_DESCR,
  SCD.PAGE_KEYWORDS,
  SCD.DELETE_FLAG,
  CASE
    WHEN HIS.UPDATE_DT IS NULL
    THEN 1
    ELSE 0 END ACTIVE_FLAG,
  SCD.DIM_REQUEST_ID_HIST AS ID_FROM,
  SCD.DIM_REQUEST_ID AS ID_TO,
  CASE
    WHEN SCD.DIM_REQUEST_ID_HIST=-1
    THEN 3600
    ELSE IFNULL(SCD.UPDATE_DT,3600)
  END AS TIME_FROM,
  CASE
    WHEN HIS.UPDATE_DT IS NULL
    THEN 253370764800
    ELSE HIS.UPDATE_DT
  END AS TIME_TO,
  CASE
    WHEN SCD.DIM_REQUEST_ID_HIST=-1
    THEN STRFTIME('%d.%m.%Y %H:%M', DATETIME(3600, 'unixepoch'))
    ELSE STRFTIME('%d.%m.%Y %H:%M', DATETIME(IFNULL(SCD.UPDATE_DT,3600), 'unixepoch'))
  END AS ACTIVE_FROM,
  CASE
    WHEN HIS.UPDATE_DT IS NULL
    THEN STRFTIME('%d.%m.%Y %H:%M', DATETIME(253370764800, 'unixepoch'))
    ELSE STRFTIME('%d.%m.%Y %H:%M', DATETIME(HIS.UPDATE_DT, 'unixepoch'))
  END AS ACTIVE_TO
FROM
  DIM_REQUEST SCD
  LEFT OUTER JOIN DIM_REQUEST HIS
  ON SCD.REQUEST_NK = HIS.REQUEST_NK AND SCD.DIM_REQUEST_ID = HIS.DIM_REQUEST_ID_HIST;

Data Aggregation

Kudzvanya (kuunganidza) kunobvumidza iwe kuti uongorore data padanho repamusoro uye kuona kusanzwisisika uye mafambiro asingaonekwe mune yakadzama mishumo.

Semuyenzaniso, wedzera boka pachiyero chine macode emamiriro ekukumbira DIM_HTTP_STATUS:

STATUS/GROUP
0xx/n
1xx/Ruzivo
2xx/Zvakabudirira
3xx/Redirection
4xx/Chikanganiso cheMutengi
5xx/Server Error

Mushandisi dimension DIM_USER_AGENT ichange iine AGENT_OS uye AGENT_BOT maitiro ane chekuita nemapoka. Izvi zvinogona kugarwa panguva yeETL maitiro:

Tinoisa DIM_USER_AGENT

/* Propagate the user agent from access log */
INSERT INTO DIM_USER_AGENT (USER_AGENT_NK, AGENT_OS, AGENT_ENGINE, AGENT_DEVICE, AGENT_BOT, UPDATE_DT)
WITH CLS AS (
	SELECT BROWSER
	FROM STG_ACCESS_LOG WHERE LENGTH(BROWSER)>1
	GROUP BY BROWSER
)
SELECT
	CLS.BROWSER AS USER_AGENT_NK,
	CASE
	WHEN INSTR(CLS.BROWSER,'Macintosh')>0
		THEN 'Macintosh'
	WHEN INSTR(CLS.BROWSER,'iPhone')>0
			 OR INSTR(CLS.BROWSER,'iPad')>0
			 OR INSTR(CLS.BROWSER,'iPod')>0
			 OR INSTR(CLS.BROWSER,'Apple TV')>0
			 OR INSTR(CLS.BROWSER,'Darwin')>0
		THEN 'iOS'
	WHEN INSTR(CLS.BROWSER,'Android')>0
		THEN 'Android'
	WHEN INSTR(CLS.BROWSER,'X11;')>0 OR INSTR(CLS.BROWSER,'Wayland;')>0 OR INSTR(CLS.BROWSER,'linux-gnu')>0
		THEN 'Linux'
	WHEN INSTR(CLS.BROWSER,'BB10;')>0 OR INSTR(CLS.BROWSER,'BlackBerry')>0
		THEN 'BlackBerry'
	WHEN INSTR(CLS.BROWSER,'Windows')>0
		THEN 'Windows'
	ELSE 'n.a.' END AS AGENT_OS, -- OS
	CASE
	WHEN INSTR(CLS.BROWSER,'AppleCoreMedia')>0
		THEN 'AppleWebKit'
	WHEN INSTR(CLS.BROWSER,') ')>1 AND LENGTH(CLS.BROWSER)>INSTR(CLS.BROWSER,') ')
		THEN COALESCE(SUBSTR(CLS.BROWSER, INSTR(CLS.BROWSER,') ')+2, LENGTH(CLS.BROWSER) - INSTR(CLS.BROWSER,') ')-1), 'N/A')
	ELSE 'n.a.' END AS AGENT_ENGINE, -- Engine
	CASE
	WHEN INSTR(CLS.BROWSER,'iPhone')>0
		THEN 'iPhone'
	WHEN INSTR(CLS.BROWSER,'iPad')>0
		THEN 'iPad'
	WHEN INSTR(CLS.BROWSER,'iPod')>0
		THEN 'iPod'
	WHEN INSTR(CLS.BROWSER,'Apple TV')>0
		THEN 'Apple TV'
	WHEN INSTR(CLS.BROWSER,'Android ')>0 AND INSTR(CLS.BROWSER,'Build')>0
		THEN COALESCE(SUBSTR(CLS.BROWSER, INSTR(CLS.BROWSER,'Android '), INSTR(CLS.BROWSER,'Build')-INSTR(CLS.BROWSER,'Android ')), 'n.a.')
	WHEN INSTR(CLS.BROWSER,'Android ')>0 AND INSTR(CLS.BROWSER,'MIUI')>0
		THEN COALESCE(SUBSTR(CLS.BROWSER, INSTR(CLS.BROWSER,'Android '), INSTR(CLS.BROWSER,'MIUI')-INSTR(CLS.BROWSER,'Android ')), 'n.a.')
	ELSE 'n.a.' END AS AGENT_DEVICE, -- Device
	CASE
	WHEN INSTR(LOWER(CLS.BROWSER),'yandex.com')>0
		THEN 'yandex'
	WHEN INSTR(LOWER(CLS.BROWSER),'googlebot')>0
		THEN 'google'
	WHEN INSTR(LOWER(CLS.BROWSER),'bingbot')>0
		THEN 'microsoft'
	WHEN INSTR(LOWER(CLS.BROWSER),'ahrefsbot')>0
		THEN 'ahrefs'
	WHEN INSTR(LOWER(CLS.BROWSER),'jobboersebot')>0 OR INSTR(LOWER(CLS.BROWSER),'jobkicks')>0
		THEN 'job.de'
	WHEN INSTR(LOWER(CLS.BROWSER),'mail.ru')>0
		THEN 'mail.ru'
	WHEN INSTR(LOWER(CLS.BROWSER),'baiduspider')>0
		THEN 'baidu'
	WHEN INSTR(LOWER(CLS.BROWSER),'mj12bot')>0
		THEN 'majestic-12'
	WHEN INSTR(LOWER(CLS.BROWSER),'duckduckgo')>0
		THEN 'duckduckgo'
	WHEN INSTR(LOWER(CLS.BROWSER),'bytespider')>0
		THEN 'bytespider'
	WHEN INSTR(LOWER(CLS.BROWSER),'360spider')>0
		THEN 'so.360.cn'
	WHEN INSTR(LOWER(CLS.BROWSER),'compatible')>0 OR INSTR(LOWER(CLS.BROWSER),'http')>0
		OR INSTR(LOWER(CLS.BROWSER),'libwww')>0 OR INSTR(LOWER(CLS.BROWSER),'spider')>0
		OR INSTR(LOWER(CLS.BROWSER),'java')>0 OR INSTR(LOWER(CLS.BROWSER),'python')>0
		OR INSTR(LOWER(CLS.BROWSER),'robot')>0 OR INSTR(LOWER(CLS.BROWSER),'curl')>0 OR INSTR(LOWER(CLS.BROWSER),'wget')>0
		THEN 'other'
	ELSE 'n.a.' END AS AGENT_BOT, -- Bot
	STRFTIME('%s','now') AS UPDATE_DT
FROM CLS
LEFT OUTER JOIN DIM_USER_AGENT TRG
ON CLS.BROWSER = TRG.USER_AGENT_NK
WHERE TRG.DIM_USER_AGENT_ID IS NULL

Data Integration

Inosanganisira kuronga kuendeswa kwedata kubva kune inoshanda sisitimu kuenda kune yekushuma system. Kuti uite izvi, unofanirwa kugadzira tafura yechikuva ine chimiro chakafanana nekwakabva.

Ruzivo rwemapeji ewebhu runosvika padanho kubva kuCMS backup nenzira yekuisa zvikumbiro.

Kuisa tafura yenhoroondo DIM_REQUEST ine data yakakosha inoitika mumatanho matatu: kurodha makiyi matsva nehunhu, kugadzirisa aripo, uye kuita marekodhi akadzimwa.

Kurodha zvinyorwa zvitsva zveSCD2

/* Load request table SCD from master data */
INSERT INTO DIM_REQUEST (DIM_REQUEST_ID_HIST, REQUEST_NK, PAGE_TITLE, PAGE_DESCR, PAGE_KEYWORDS, DELETE_FLAG, UPDATE_DT)
WITH CLS  AS ( -- prepare keys
	SELECT
	'/' || NAME AS REQUEST_NK,
	TITLE       AS PAGE_TITLE,
	CASE WHEN DESCRIPTION = '' OR DESCRIPTION IS NULL
	     THEN 'n.a.' ELSE DESCRIPTION
	END AS PAGE_DESCR,
	CASE WHEN KEYWORDS = '' OR KEYWORDS IS NULL
	     THEN 'n.a.' ELSE KEYWORDS
	END AS PAGE_KEYWORDS
	FROM STG_CMS_MENU
	WHERE CONTENT_TYPE != 'folder' -- only web pages
	  AND PAGE_TITLE != 'n.a.' -- master data which make sense
)
/* new records from stage: CLS */
SELECT
	-1 AS DIM_REQUEST_ID_HIST,
	CLS.REQUEST_NK,
	CLS.PAGE_TITLE,
	CLS.PAGE_DESCR,
	CLS.PAGE_KEYWORDS,
	0 AS DELETE_FLAG,
	STRFTIME('%s','now') AS UPDATE_DT
FROM CLS
LEFT OUTER JOIN
 (
	SELECT
	DIM_REQUEST_ID,
	REQUEST_NK,
	PAGE_TITLE,
	PAGE_DESCR,
	PAGE_KEYWORDS
	FROM DIM_REQUEST_V_ACT
) TRG ON CLS.REQUEST_NK = TRG.REQUEST_NK
WHERE TRG.REQUEST_NK IS NULL -- no such record in data mart

Kuvandudza SCD2 Attributes

/* Load request table SCD from master data */
INSERT INTO DIM_REQUEST (DIM_REQUEST_ID_HIST, REQUEST_NK, PAGE_TITLE, PAGE_DESCR, PAGE_KEYWORDS, DELETE_FLAG, UPDATE_DT)
WITH CLS  AS ( -- prepare keys
	SELECT
	'/' || NAME AS REQUEST_NK,
	TITLE       AS PAGE_TITLE,
	CASE WHEN DESCRIPTION = '' OR DESCRIPTION IS NULL
	     THEN 'n.a.' ELSE DESCRIPTION
	END AS PAGE_DESCR,
	CASE WHEN KEYWORDS = '' OR KEYWORDS IS NULL
	     THEN 'n.a.' ELSE KEYWORDS
	END AS PAGE_KEYWORDS
	FROM STG_CMS_MENU
	WHERE CONTENT_TYPE != 'folder' -- only web pages
	  AND PAGE_TITLE != 'n.a.' -- master data which make sense
)
/* updated records from stage: CLS and build reference to history: HIST */
SELECT
	HIST.DIM_REQUEST_ID AS DIM_REQUEST_ID_HIST,
	HIST.REQUEST_NK,
	CLS.PAGE_TITLE,
	CLS.PAGE_DESCR,
	CLS.PAGE_KEYWORDS,
	0 AS DELETE_FLAG,
	STRFTIME('%s','now') AS UPDATE_DT
FROM CLS,
     DIM_REQUEST_V_ACT TRG,
     DIM_REQUEST HIST
WHERE CLS.REQUEST_NK = TRG.REQUEST_NK
  AND TRG.DIM_REQUEST_ID = HIST.DIM_REQUEST_ID
  AND ( CLS.PAGE_TITLE != HIST.PAGE_TITLE /* changes only */
     OR CLS.PAGE_DESCR != HIST.PAGE_DESCR
     OR CLS.PAGE_KEYWORDS != HIST.PAGE_KEYWORDS )

Dzakadzimwa SCD2 zvakarekodhwa

/* Load request table SCD from master data */
INSERT INTO DIM_REQUEST (DIM_REQUEST_ID_HIST, REQUEST_NK, PAGE_TITLE, PAGE_DESCR, PAGE_KEYWORDS, DELETE_FLAG, UPDATE_DT)
WITH CLS  AS ( -- prepare keys
	SELECT
	'/' || NAME AS REQUEST_NK,
	TITLE       AS PAGE_TITLE
	FROM STG_CMS_MENU
	WHERE CONTENT_TYPE != 'folder' -- only web pages
	  AND PAGE_TITLE != 'n.a.' -- master data which make sense
)
/*  deleted records in data mart: TRG */
SELECT
	TRG.DIM_REQUEST_ID AS DIM_REQUEST_ID_HIST,
	TRG.REQUEST_NK,
	TRG.PAGE_TITLE,
	TRG.PAGE_DESCR,
	TRG.PAGE_KEYWORDS,
	1 AS DELETE_FLAG,
	STRFTIME('%s','now') AS UPDATE_DT
FROM (
	SELECT
	DIM_REQUEST_ID,
	REQUEST_NK,
	PAGE_TITLE,
	PAGE_DESCR,
	PAGE_KEYWORDS
	FROM DIM_REQUEST_V_ACT
	WHERE PAGE_TITLE != 'n.a.' -- track master data only
	  AND DELETE_FLAG = 0 -- not already deleted
) TRG
LEFT OUTER JOIN CLS ON TRG.REQUEST_NK = CLS.REQUEST_NK
WHERE CLS.REQUEST_NK IS NULL -- no such record in stage

Imwe neimwe nzvimbo yedata inofanirwa kuperekedzwa netsananguro yepamutemo, semuenzaniso, mureadme.txt faira:

Anogamuchira iyo data zviri pamutemo/tekinoroji: zita, email kero
Mupi wedata zviri pamutemo/hunyanzvi: zita, email kero
Data source: faira nzira, mazita ebasa
Ruzivo rwekuwana data: vashandisi uye mapassword

Iyo data inoyerera dhayagiramu ichabatsira mukugadzirisa uye kugadzirisa, semuenzaniso, mune zvinyorwa zvinyorwa:

Kufambisa faira. Kwakabva: ftp.domain.net: /logs/access.log Target: /var/www/access.log
Kuverenga pachikuva. Chinangwa: STG_ACCESS_LOG
Kurodha nekushandura. Chinangwa: FCT_ACCESS_REQUEST_REF_HH
Kurodha nekushandura. Chinangwa: FCT_ACCESS_USER_AGENT_DD
Report. Chinangwa: /var/www/report.html

mhedziso

Nokudaro, chinyorwa chinotsanangura nzira dzakadai sekubatanidzwa kwe data iri pasi uye kuiswa kwemazinga matsva ekuunganidza. Izvo zvinodiwa pakuvaka matura edata kuitira kuti uwane ruzivo rwekuwedzera uye nekuvandudza kunaka kweruzivo.

Source: www.habr.com