From 9ac368847ba3d8036246a1d14fd0afd975332ee2 Mon Sep 17 00:00:00 2001
From: git-sandro <sandro-zimmermann@outlook.com>
Date: Thu, 12 Feb 2026 17:04:16 +0100
Subject: [PATCH] movies and kosten

---
 .DS_Store                  | Bin 0 -> 8196 bytes
 kosten/create_table.sql    |  13 +++++++++++++
 kosten/select_exercise.sql |  18 ++++++++++++++++++
 movies/movies.sql          |  26 ++++++++++++++------------
 movies/select_basics.sql   |   3 +++
 5 files changed, 48 insertions(+), 12 deletions(-)
 create mode 100644 .DS_Store
 create mode 100644 kosten/create_table.sql
 create mode 100644 kosten/select_exercise.sql
 create mode 100644 movies/select_basics.sql

diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..3bb4e7486cd846ff0d12cfdc1c311d35b70028cd
GIT binary patch
literal 8196
zcmeHMTWl0n7(U<hHbVzGKr0J&VAF*N*g`4AmRqvDDfc4V(rvjcyE`Ktn9h`)*=@1Z
zG$y`)XnfLmi#&OYJg6w~MH5BQM@18i@d2YzUo^oNl?VTsGYhhX7ekDVbCNm#`ETc(
z|DW%l*)z)+LuX!F!&rndCer0mrJA~1G*9nc)0z-SDu{yo8Pl1Q8FNN6rk$B)9SXt>
zgc%4k5N06EK$wC5LI&ua?KSZ>?|rTf`!EAx2L6{B@SYD*x;z>W=oF{^qk}sC2tc%)
z#D1eOodbNIXh7ouo#NDYr8)WO0f8%mBL=uT>7$-G(Re_oIOXmP+?^p<8Nmq!{_5lx
z_01XLoQ8dvfiMHpGvJ-wE7=IMS%DcP=lAoOQPXhT=H{;;l$BRhR*6+&wRj*gY>y?}
zw3~N2)46>f*Js;irZ`S#_8R(FN~!I#EjMjgdd_z+G@VTL4;Yqak9FF4OLKhR1XqZX
zD5aFh#6)XLYh$#vZOvq3bYgu=GmY2YH#sSZb+OeO_oR-RBbI%Vhk@Wxz-E_(b*eNb
z&B>Y>+N0-iQ?RB}=;9wM$`Zw3zb*zV&8n7Xs{_fwp?z{nnOC5wdPiNuww%3s&LNso
zY8;AwYu2`Q=X6g$khRVHh~=b|x!JUt&6{ag?=a1T@vu&^8Yi2xO>?*H7~V94Nmn0t
zJ>4`_a>%iBZkIn<(xCadm6CV#JvvQl6!dPI+Nmvx9Mai23zjTh-qg~zDc-Yn=YyAO
zl)3Zf%XRV)rP*?ghYUS8n0B(dr5V=Y{xL&yhX)FVV`NOd&q|Nz(p)r3mueyl7u{X2
zs@&j)L(w#u&ltz@hI?FziK4$oRBe#=YqY1Gw&ty(iOM;ehgM&vHmLhNO;=8*UJD#n
zsQ1c!4h1hNX>PbmZkGFw5<Vow;gYrTI<?<SXLM6iG`>!|yg?l(@cc{4b}rm3*Qv>@
zJu*TeIue(4s9owoZ`mDb$L$@}EpJN~x$b__4LQT<oZdS|_zZTmjiml9CAsI+qZzL4
zD=8bh8dP=Ao32CC{1_HR7S^Z<wO>>|7gLI2SOtS>f^I7>4KY@{HL>_gK8$@}$NiC?
z=vcg&izRyVsjP){vmNXZ%drV|nmxnLu(#O-_A&dCean7gSK03XDp7@5s75UoVJRB1
z4sB@1dUT=}yRioe?8h(+9D##z9LEGs;4z%UDV)X=cp5L@MZAPFcnxpjEu6zUcpn$>
zDL%s&xPtHSJ$}G1_yd39nouDu5F)}tp+RUAnuJwCo6s(75H<?CgkB*jq=h4bEsXO3
zgkl{Y;C!(cj?<{L+=6d|!r5DwTm1uDwr<-#bIR@V9KXP7>+V_*UAA&{Yy0Mo>p<kl
zErRv$CE(-!rfTtV@8hBbvzPozlou~4mfnqG<i*)f1*4CPUfn8Hfpu)DNCl%*1nlw^
z#BNtAIa}YfN~Gdc1fP}bTh>Zcf=XGyHnkB8&d3`#NmPtVdB84?6U%(2zP`JMrn#ty
zcM9p3*%kI9`;}cIq|d>8L~sw93E!RAf?Yns6X?f5q;LosXc&P78^;LiCoqXeFoj16
z>5miEpTtvm7SG{%!u!j31+U_Dyg_Jx7w7RFKEy}3fKLM4e?zGM8COe?yt9a5PVrkQ
zk_(BPW!lzZk{8i`v&&52%J?QD-ub`h_TT?!LMY)L!wiHO_=g!ld3U0_lbmn&DD%$R
zQMwM%<u%W4ic{Z(I{!FM)IW|Bz5a(GjiY4h`NRV{#VJXs{p%kB?&#0$@ckdY|9u$G
Gxb83Ve}ZxV

literal 0
HcmV?d00001

diff --git a/kosten/create_table.sql b/kosten/create_table.sql
new file mode 100644
index 0000000..ea902f3
--- /dev/null
+++ b/kosten/create_table.sql
@@ -0,0 +1,13 @@
+CREATE TABLE kosten
+(
+	beschreibung CHARACTER VARYING,
+	projekt_id INTEGER,
+	betrag NUMERIC(6,2)
+);
+
+INSERT INTO kosten VALUES
+	('Telefon', 1, 98.5),
+	('Reisekosten', 1, 466.20),
+	('Material', 1, 235.60),
+	('Reisekosten', 2, 120.60),
+	('Material', 2, 32.20);
\ No newline at end of file
diff --git a/kosten/select_exercise.sql b/kosten/select_exercise.sql
new file mode 100644
index 0000000..0032966
--- /dev/null
+++ b/kosten/select_exercise.sql
@@ -0,0 +1,18 @@
+-- Selektieren Sie die Summe der Kosten pro Projekt
+SELECT projekt_id, sum(betrag) 
+FROM kosten
+GROUP BY projekt_id;
+
+-- Selektieren Sie die höchsten und niedrigsten Positionen für jede Kategorie ("Beschreibung")
+SELECT beschreibung, min(betrag), max(betrag) 
+FROM kosten
+GROUP BY beschreibung;
+
+-- Zählen Sie (mit SQL) die Anzahl Zeilen in der Tabelle "Kosten" (verwenden Sie COUNT ohne GROUP BY)
+SELECT COUNT(projekt_id)
+FROM kosten;
+
+-- Erzeugen Sie eine Übersichtstabelle: Projekt, Liste der Beschreibungen (Tipp: string_agg)
+SELECT projekt_id, SUM(betrag), STRING_AGG(beschreibung, ',')
+FROM kosten
+GROUP BY projekt_id;
\ No newline at end of file
diff --git a/movies/movies.sql b/movies/movies.sql
index 3bf8309..051054d 100644
--- a/movies/movies.sql
+++ b/movies/movies.sql
@@ -1,19 +1,21 @@
-/*CREATE TABLE movies
+DROP TABLE IF EXISTS movies;
+
+CREATE TABLE movies
 (
-	id INTEGER PRIMARY KEY,
+	id INTEGER PRIMARY KEY, /*Use SERIAL for auto increment*/
 	year INTEGER,
 	score INTEGER,
 	title CHARACTER VARYING NOT NULL
-);*/
+);
 
-/*INSERT INTO movies (id, year, score, title) VALUES
-(1, 1976, 99, 'Taxi Driver'),
-(2, 1978, 93, 'The Deer Hunter'),
-(3, 1985, 98, 'Brazil'),
-(4, 1990, 96, 'Goodfellas'),
-(5, 1991, 76, 'Cape Fear'),
-(6, 1995, 80, 'Casino'),
-(7, 1995, 86, 'Heat'),
-(8, 2000, 84, 'Meet the Parents');*/
+INSERT INTO movies (id, year, score, title) VALUES
+	(1, 1976, 99, 'Taxi Driver'),
+	(2, 1978, 93, 'The Deer Hunter'),
+	(3, 1985, 98, 'Brazil'),
+	(4, 1990, 96, 'Goodfellas'),
+	(5, 1991, 76, 'Cape Fear'),
+	(6, 1995, 80, 'Casino'),
+	(7, 1995, 86, 'Heat'),
+	(8, 2000, 84, 'Meet the Parents');
 
 SELECT * FROM movies
\ No newline at end of file
diff --git a/movies/select_basics.sql b/movies/select_basics.sql
new file mode 100644
index 0000000..acd7f42
--- /dev/null
+++ b/movies/select_basics.sql
@@ -0,0 +1,3 @@
+SELECT title FROM movies;
+SELECT title, year FROM movies;
+SELECT year%100 AS "Jahrzehnt", title FROM movies;
\ No newline at end of file