From a570800f76e56a64c799f28ecc19bf79788ee0ae Mon Sep 17 00:00:00 2001
From: LuciaGPalos <113399853+LuciaGPalos@users.noreply.github.com>
Date: Mon, 31 Oct 2022 01:35:46 -0600
Subject: [PATCH 1/3] Lucia mysql select

---
 .DS_Store     | Bin 0 -> 6148 bytes
 solutions.sql |  74 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+)
 create mode 100644 .DS_Store
 create mode 100644 solutions.sql

diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..4b067cb414cab8bdb14cd2a64024282791890c88
GIT binary patch
literal 6148
zcmeHKyH3ME5S)b+K?so!$}5o&mO@KoBB!9Bfgd0b1V|?4mEOO@SDM+|17zd02%+6*
zZ}#qX?#?6S9sp#rUXFngfFWH`H0UvH?(N!2$pfOqF-qKGg*%ofJp=v4CSChJ7P!X@
zC4b-RA0xw)e$7Q$E#_r4XQs+@Mn7tzG1|mF-N1hDuy=5UDb7*gl9=HU%l3S7&|&Q1
z6%|*y#v2|Otys_K&nP?07c!4+rA@=w%@uG3Tme_W6;K6uW~&W%4ZU;)Tme_$O99;<
z0$njrSR2NzgGGD-5cL`zjj>*ml@k)?32Q_4(8Q=jqe^;Wh|$>|QeK|0HZ(dUJw7DO
z{P}p1I6KD=F&&Z{dg%(d0&NAhtvb^4f6Bj1?<2oW@tP~(3j8w#WKdie6Mj@WTYr3>
xp0$B~Ls!$hS_2y6)+K-y-A4{%r}YPonU^Q54RsW4k94A61fn2bxB|bRzz2rrNSFWs

literal 0
HcmV?d00001

diff --git a/solutions.sql b/solutions.sql
new file mode 100644
index 0000000..a8ca710
--- /dev/null
+++ b/solutions.sql
@@ -0,0 +1,74 @@
+##Challenge 1 - Who Have Published What At Where?
+SELECT a.au_id AS 'AUTHOR ID', 
+a.au_lname AS 'LAST NAME', 
+a.au_fname AS 'FIRST NAME',
+t.title AS 'TITLE',
+p.pub_name AS 'PUBLISHER'
+FROM authors a
+JOIN titleauthor ta
+ON  a.au_id = ta.au_id
+JOIN titles t
+ON ta.title_id = t.title_id
+JOIN publishers p
+ON t.pub_id = p.pub_id;
+
+##Challenge 2 - Who Have Published How Many At Where?
+SELECT a.au_id AS 'AUTHOR ID', 
+a.au_lname AS 'LAST NAME', 
+a.au_fname AS 'FIRST NAME',
+p.pub_name AS 'PUBLISHER',
+COUNT(t.title) AS 'TITLE COUNT'
+FROM authors a
+JOIN titleauthor ta
+ON  a.au_id = ta.au_id
+JOIN titles t
+ON ta.title_id = t.title_id
+JOIN publishers p
+ON t.pub_id = p.pub_id
+GROUP BY title;
+
+##Challenge 3 - Best Selling Authors
+SELECT a.au_id AS 'AUTHOR ID', 
+a.au_lname AS 'LAST NAME', 
+a.au_fname AS 'FIRST NAME',
+SUM(s.qty) AS 'TOTAL'
+FROM authors a
+JOIN titleauthor ta
+ON  a.au_id = ta.au_id
+JOIN sales s
+ON s.title_id = ta.title_id
+GROUP BY a.au_id
+ORDER BY TOTAL DESC
+LIMIT 3;
+
+##Challenge 4 - Best Selling Authors Ranking
+UPDATE sales
+SET qty = 0
+WHERE qty IS NULL;
+
+##unsure how to solve challenge 4...
+SELECT a.au_id AS 'AUTHOR ID', 
+a.au_lname AS 'LAST NAME', 
+a.au_fname AS 'FIRST NAME',
+COALESCE(SUM(s.qty),0) AS 'TOTAL'
+FROM authors a
+JOIN titleauthor ta
+ON  a.au_id = ta.au_id
+JOIN sales s
+ON s.title_id = ta.title_id
+GROUP BY a.au_id
+ORDER BY TOTAL DESC;
+
+##Bonus 4 - Most Profiting Authors
+SELECT a.au_id AS 'AUTHOR ID', 
+a.au_lname AS 'LAST NAME', 
+a.au_fname AS 'FIRST NAME',
+SUM(t.advance + ta.royaltyper) AS 'PROFIT'
+FROM authors a
+JOIN titleauthor ta
+ON  a.au_id = ta.au_id
+JOIN titles t
+ON ta.title_id = t.title_id
+GROUP BY a.au_id
+ORDER BY PROFIT DESC
+LIMIT 3;
\ No newline at end of file

From 215acdc2891d9bbf759e9d997798186c881e127c Mon Sep 17 00:00:00 2001
From: LuciaGPalos <113399853+LuciaGPalos@users.noreply.github.com>
Date: Mon, 31 Oct 2022 21:48:09 -0600
Subject: [PATCH 2/3] Lucia Updated Solution

Corrected challenge 4
---
 .DS_Store     | Bin 6148 -> 6148 bytes
 solutions.sql |  11 +++--------
 2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/.DS_Store b/.DS_Store
index 4b067cb414cab8bdb14cd2a64024282791890c88..c7fbc141cea8d4ff31066903ca8e4193733dd3a9 100644
GIT binary patch
delta 23
ecmZoMXffFEoRPJafq_9|^E*aKw#}>@|M>x1$Ol3I

delta 25
hcmZoMXffFEoRPhVfq_B$|NqTz7$w;@vvd6A2LO2y2`~Tv

diff --git a/solutions.sql b/solutions.sql
index a8ca710..4c4c0eb 100644
--- a/solutions.sql
+++ b/solutions.sql
@@ -42,19 +42,14 @@ ORDER BY TOTAL DESC
 LIMIT 3;
 
 ##Challenge 4 - Best Selling Authors Ranking
-UPDATE sales
-SET qty = 0
-WHERE qty IS NULL;
-
-##unsure how to solve challenge 4...
 SELECT a.au_id AS 'AUTHOR ID', 
 a.au_lname AS 'LAST NAME', 
 a.au_fname AS 'FIRST NAME',
-COALESCE(SUM(s.qty),0) AS 'TOTAL'
+SUM(s.qty) AS 'TOTAL'
 FROM authors a
-JOIN titleauthor ta
+LEFT JOIN titleauthor ta
 ON  a.au_id = ta.au_id
-JOIN sales s
+LEFT JOIN sales s
 ON s.title_id = ta.title_id
 GROUP BY a.au_id
 ORDER BY TOTAL DESC;

From 803c8e6ad59471268c753a09513f4cb06640c03e Mon Sep 17 00:00:00 2001
From: LuciaGPalos <113399853+LuciaGPalos@users.noreply.github.com>
Date: Mon, 31 Oct 2022 21:59:34 -0600
Subject: [PATCH 3/3] Challenge 4 Lu

---
 solutions.sql | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/solutions.sql b/solutions.sql
index 4c4c0eb..1e57c30 100644
--- a/solutions.sql
+++ b/solutions.sql
@@ -45,7 +45,7 @@ LIMIT 3;
 SELECT a.au_id AS 'AUTHOR ID', 
 a.au_lname AS 'LAST NAME', 
 a.au_fname AS 'FIRST NAME',
-SUM(s.qty) AS 'TOTAL'
+SUM(IFNULL(s.qty,0)) AS 'TOTAL'
 FROM authors a
 LEFT JOIN titleauthor ta
 ON  a.au_id = ta.au_id