From 1f1fbbb3bb6c30889d716ad8dcacd3e3a8c10a55 Mon Sep 17 00:00:00 2001
From: bytesparallel <jason.ross841@gmail.com>
Date: Mon, 21 Feb 2022 15:52:55 -0600
Subject: [PATCH 1/3] saving changes .gitignore

---
 .gitignore       | 2 +-
 project_notes.md | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index c76d08a..4e5b8f4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1 @@
-projectnotes.md*
+projectnotes.md
diff --git a/project_notes.md b/project_notes.md
index b22b748..df61d6b 100644
--- a/project_notes.md
+++ b/project_notes.md
@@ -29,3 +29,7 @@ are valid ways of forming the query.
 ## Resources
 [How to concatenate columns in SQL - CONCAT_WS()](https://www.w3schools.com/sql/func_mysql_concat_ws.asp)
 
+## New Concepts/Syntax
+
+SQLite <br/>
+`strftime('%Y', InvoiceDate`
\ No newline at end of file

From 53f11e1a7bc7929d94eca992faac251b8251fa36 Mon Sep 17 00:00:00 2001
From: bytesparallel <jason.ross841@gmail.com>
Date: Mon, 21 Feb 2022 15:53:22 -0600
Subject: [PATCH 2/3] Saving end of day changes

---
 invoice_totals.sql        | 10 ++++++++++
 total_invoices_{year}.sql |  6 ++++++
 2 files changed, 16 insertions(+)
 create mode 100644 invoice_totals.sql
 create mode 100644 total_invoices_{year}.sql

diff --git a/invoice_totals.sql b/invoice_totals.sql
new file mode 100644
index 0000000..ed0a5bd
--- /dev/null
+++ b/invoice_totals.sql
@@ -0,0 +1,10 @@
+SELECT 
+    INVOICE.Total, CUSTOMER.FirstName, CUSTOMER.LastName, EMPLOYEE.FirstName, Employee.LastName, Invoice.BillingCountry
+FROM
+    ((Customer
+INNER JOIN
+    Employee ON Employee.EmployeeId = Customer.SupportRepId)
+INNER JOIN
+    INVOICE ON INVOICE.CustomerId = Customer.CustomerId)
+ORDER BY 
+    INVOICE.Total DESC;
diff --git a/total_invoices_{year}.sql b/total_invoices_{year}.sql
new file mode 100644
index 0000000..b09f841
--- /dev/null
+++ b/total_invoices_{year}.sql
@@ -0,0 +1,6 @@
+SELECT strftime('%Y', InvoiceDate) as Year,
+    COUNT(*) as InvoiceCount
+FROM Invoice
+WHERE strftime('%Y', InvoiceDate) = '2009'
+    OR strftime('%Y', InvoiceDate) = '2011'
+GROUP BY strftime('%Y', InvoiceDate);

From 9bb77ddeeca1ef24ae9d44236e28a75d661861b6 Mon Sep 17 00:00:00 2001
From: bytesparallel <jason.ross841@gmail.com>
Date: Mon, 21 Feb 2022 15:59:04 -0600
Subject: [PATCH 3/3] final commit for the day

---
 project_notes.md | 35 -----------------------------------
 1 file changed, 35 deletions(-)
 delete mode 100644 project_notes.md

diff --git a/project_notes.md b/project_notes.md
deleted file mode 100644
index df61d6b..0000000
--- a/project_notes.md
+++ /dev/null
@@ -1,35 +0,0 @@
-# Project Notes - SQL Interlude - Chinook
-
-## Questions
-### How to use NOT in queries
-Why does
-
-```
-SELECT * FROM CUSTOMER
-WHERE COUNTRY NOT LIKE 'USA';
-```
-
-work and
-
-```
-SELECT * FROM CUSTOMER
-WHERE COUNTRY NOT 'USA';
-```
-does not work?
-
-### Answer
-To avoid using `LIKE` <br/>
-
-`WHERE NOT customer.country = "USA";` <br/>
-or <br/>
-`WHERE NOT != "USA";` <br/>
-
-are valid ways of forming the query.
-
-## Resources
-[How to concatenate columns in SQL - CONCAT_WS()](https://www.w3schools.com/sql/func_mysql_concat_ws.asp)
-
-## New Concepts/Syntax
-
-SQLite <br/>
-`strftime('%Y', InvoiceDate`
\ No newline at end of file