Video
Create Note
Dear user,
with the manuscript function you'll be able to create your own digital lecture manuscript.
However, in order to link all your notes with your user profile it is required that you
login to the tele-TASK portal to use this functionality.
If you don't have an account yet, you may register for a tele-TASK account here.
with the manuscript function you'll be able to create your own digital lecture manuscript.
However, in order to link all your notes with your user profile it is required that you
login to the tele-TASK portal to use this functionality.
If you don't have an account yet, you may register for a tele-TASK account here.
Add a New Marker
Dear user,
with the marker function you'll be able to create your own digital time markers.
However, in order to link all your markers with your user profile it is required that you
login to the tele-TASK portal to use this functionality.
If you don't have an account yet, you may register for a tele-TASK account here.
with the marker function you'll be able to create your own digital time markers.
However, in order to link all your markers with your user profile it is required that you
login to the tele-TASK portal to use this functionality.
If you don't have an account yet, you may register for a tele-TASK account here.
Tag this content
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Dear user,with the tagging function you'll be able to add taggs to videos.
However, in order to link all your tags with your user profile it is required that you
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Add Link to this content
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Dear user,with the links function you'll be able to add links to other resources to this content.
However, in order to link all your links with your user profile it is required that you
login to the tele-TASK portal to use this functionality.
If you don't have an account yet, you may register for a tele-TASK account here.
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Add to my playlist
Dear user,
with the playlist function you'll be able to create your own lecture video playlists.
However, in order to link all your playlists with your user profile it is required that you
login to the tele-TASK portal to use this functionality.
If you don't have an account yet, you may register for a tele-TASK account here.
with the playlist function you'll be able to create your own lecture video playlists.
However, in order to link all your playlists with your user profile it is required that you
login to the tele-TASK portal to use this functionality.
If you don't have an account yet, you may register for a tele-TASK account here.
Playlists
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Lecture Structure
- Überblick (00:00:01)
- WCIH (00:00:03)
- Überblick (00:00:07)
- WCIH Das Problem (00:01:45)
- öderiertes Schema (00:01:54)
- Modellierung von Datenquellen (00:01:59)
- Global as ÜEW Local EIS View (00:02:12)
- Überblick (00:02:13)
- Global S View Local 85 View (00:02:14)
- Global S ÜGW Local EIS View (00:04:15)
- Überblick (00:05:06)
- W Fl IlTl LGV? Eine andere SiChtWEiSe (00:05:08)
- Local S View LaV Beispiel (00:07:12)
- Local as View (Lav) Beispiel (00:07:30)
- Fi m(Tite Regie Jahr Genre) (00:07:30)
- SELECT = m e fFRO (00:07:54)
- vlDB(Tite Regie Jahr Genre) (00:07:54)
- CREATE V E ASSELECT FR Film (00:07:54)
- S12 vlDB(Tite Regie Jahr Genre) (00:07:55)
- Programm(Kiho Titel Zeit) (00:09:35)
- Local as View (La ) 1 pie (00:10:41)
- I i 10ÜB( il 10 ( 6ß ES) (00:10:41)
- JlUl )dl db DOI IEIIIGFi m(Tite Regie Jahr Genre)Programm(Kino Titel Zeit) (00:10:41)
- Local as View (Lav) Beispiel (00:11:01)
- Local S View LaV Beispiel (00:11:35)
- Local as View LaV Beispiel (00:12:44)
- Local as View (Lav) Beispiel (00:12:56)
- S82 IeueFi me(Tite Regie Genre) (00:12:56)
- Progfamm(KiF o Tire zen) (00:12:56)
- lS8 Ni äilme itel Regie (00:14:26)
- Local S View LaV Beispiel (00:15:01)
- Auch implizite Einschränkungen können in den View (00:15:01)
- S82 IeueFi me(Tite Regie Genre) (00:15:01)
- Local as View LaV Globale ICs (00:15:13)
- Local as View LaV G oba e ICS (00:15:17)
- Local as View (Lav) G oba e ICS (00:15:22)
- Local S View LaV G oba e ICy (00:15:41)
- Local as View (Lav) lokale ICs (00:16:56)
- Local as View (Lav) lokale (00:17:41)
- Local as View (Lav) oka e ICs Ä CREATE VIEW S1 AS (00:19:00)
- REATEVIEW S5 AS SELECT Titel Regie Genre On Q (WHEREJahr 2004) (00:19:00)
- OO l CUCFllIllClNBLL lIlC h (Nebenbed ngung Jahr CC ) ( a r )S4 NeueF mel e(T te Reg e Genre)(Nebenbed ngung Jahr VOM EC te Re e GenreFROM F lm(Nebe bed 9L 9 ä 1 WHEREJahr 2000Z M C AJ Akrue e =i me(Tire Regie 9 = 1 REATE Vl EW S5 AS (00:19:00)
- Local as View (Lav) I CREATE VIEW S1 AS (00:21:07)
- raem mihu Lokale ICs (00:22:03)
- n e que ß (00:23:03)
- n enque m Lokale ICs (00:28:07)
- Local as View (Lav) ßg obaleßls (00:29:01)
- W) FROM NeuerFi m (00:29:01)
- a L r xu v Neue r n WHERE JAHR 2000) (00:29:01)
- CREATE V EWA eFi meNel1ASSELECT FROM NeuerFi mn u cnc mn fmnm (00:29:01)
- Überblick (00:29:39)
- LaV Anwendungen (00:29:43)
- Lav Anwendung Anfrageoptimierun (00:30:01)
- Anwendungen (00:30:02)
- Lav Anwendung Anfrageoptimierung (00:32:14)
- Lav Anwendung Anfrageoptimierur (00:34:22)
- Write auf Basisrelatio (00:34:22)
- 0 Write auf MV (00:34:22)
- (materialized views MV) auf (00:34:22)
- Materia isierte Sichten (00:34:22)
- Write auf Basisrelation (00:39:10)
- Ilv vay (00:39:10)
- Nl 4 (00:39:10)
- Table (00:39:10)
- Q62R1 R2 R3 (00:39:10)
- IQ2 R1 A=1o Q5 R4 (00:39:10)
- Q42 R1 x R2 (00:39:10)
- Lav Anwendung Datawa ehouese Design (00:39:39)
- Gegeben eine query workload welche Sichten sollte Ich (00:39:39)
- Gegeben eine query workluad (00:39:39)
- La Anwendung Semantisches Caching (00:39:40)
- Lav Anwendung Datenintegration (00:42:20)
- Überblick (00:42:28)
- Anfrageplanung (00:42:33)
- E1 Verschiedene Piäne werden durch UNION zusammengefasst (00:42:33)
- Die geeignete Verknüpfung von q (00:42:33)
- Eine Anfrage q an das globale Schema (00:42:33)
- Anfrageplan (00:44:25)
- Anfrageplanung (00:45:24)
- Anfrageplan (00:46:18)
- Query Containment (00:48:35)
- Der wichtige Teil ist der letzte für alle möglichen Instanzen I von S (00:48:35)
- q1 (I) q2(I) für alle möglichen I (00:48:35)
- gegen I Sei q(I) das Ergebnis einer Anfrage q angewandtauf I Dann ist (00:48:35)
- Anfrageplan (00:49:06)
- Die q heißen Teilanfragen oder Teilpläne (00:49:07)
- In der Regel gibt es viele Anfragepläne (00:49:07)
- Wir nennen q1 q einen Anfrageplan (00:49:07)
- Anfrageplanung (00:49:08)
- Überblick (00:49:09)
- Anfrageplanung (00:49:13)
- Verschiedene Pläne werden durch UNION zusammengefasst (00:49:13)
- Die geeignete Verknüpfung von q (00:49:13)
- Anfrageplan (00:49:50)
- Die q heißen Teilanfragen oder Teilpläne (00:49:50)
- Gegeben eine globale Anfrage q Ein Anfrageplan p für q ist eine (00:49:50)
- Wir nennen q1 q einen Anfrageplan (00:49:50)
- Query Containment (00:49:53)
- Semantische KOlTe theit (00:52:17)
- Anfragepläne (00:52:18)
- Anfragebearbeitung LaV (00:52:19)
- Anfragepläne (00:52:50)
- res r(q) (00:52:50)
- Gegeben eine globale Anfrage q Seien pl (00:52:50)
- 3 berechnet wird ist Sache der (00:52:54)
- es lr(p ) (00:52:54)
- Viele Anfragepläne (00:52:55)
- V ele Anfrageplär e (00:57:50)
- Anfragebearbeitung LaV (01:00:23)
- Beispiel (01:00:42)
- a v sua s erung (OWA) (01:05:29)
- Beispiel (01:06:19)
- AND (01:06:19)
- Quelle 2 Alle HPI Vorlesungen (01:06:19)
- Lehrt(prof kurs id sem eval univ)Kufslkufs Ü mel UWW) Quelle2 Alle HPI Vorlesungenn ankveranstat TE VIEW HPI VLASCREATE VIEW DB kursAS ECT e univ I sE SELECT K tite L prof K kurs id K uni FROM eh 11 Kurs KFROM LehrtL KursK WHERELkurs d Kkurs d (01:08:59)
- av v sua s erung (ovvA) (01:09:00)
- LaV ViSu alisierun (OWA (01:10:22)
- av v sua s erung (ovvA) (01:10:23)
- av v sua s erung (ovvA) (01:12:52)
- m @Nutze age (01:13:53)
- LaV Visualisierung 4 (ovv ) (01:13:54)
- Beispiel (01:14:27)
Keyword
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