diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..c57d089
Binary files /dev/null and b/.DS_Store differ
diff --git a/answers/exercise1.sql b/answers/exercise1.sql
index e69de29..4379763 100644
--- a/answers/exercise1.sql
+++ b/answers/exercise1.sql
@@ -0,0 +1,5 @@
+CREATE SCHEMA myNewDB;
+
+or 
+
+CREATE DATABASE myNewDB;
\ No newline at end of file
diff --git a/answers/exercise10.sql b/answers/exercise10.sql
index e69de29..1943da0 100644
--- a/answers/exercise10.sql
+++ b/answers/exercise10.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Students
+WHERE City='Philadelphia' OR City='Trenton'
\ No newline at end of file
diff --git a/answers/exercise11.sql b/answers/exercise11.sql
index e69de29..3d56eb0 100644
--- a/answers/exercise11.sql
+++ b/answers/exercise11.sql
@@ -0,0 +1 @@
+SELECT * FROM Students ORDER BY City;
\ No newline at end of file
diff --git a/answers/exercise12.sql b/answers/exercise12.sql
index e69de29..387247f 100644
--- a/answers/exercise12.sql
+++ b/answers/exercise12.sql
@@ -0,0 +1 @@
+SELECT * FROM Students ORDER BY City DESC;
\ No newline at end of file
diff --git a/answers/exercise13.sql b/answers/exercise13.sql
index e69de29..c91eb52 100644
--- a/answers/exercise13.sql
+++ b/answers/exercise13.sql
@@ -0,0 +1 @@
+SELECT * FROM Sctudents ORDER BY Country, City;
\ No newline at end of file
diff --git a/answers/exercise14.sql b/answers/exercise14.sql
index e69de29..e562e34 100644
--- a/answers/exercise14.sql
+++ b/answers/exercise14.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE PostalCode IS NULL;
\ No newline at end of file
diff --git a/answers/exercise15.sql b/answers/exercise15.sql
index e69de29..f0ff0df 100644
--- a/answers/exercise15.sql
+++ b/answers/exercise15.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE PostalCode IS NOT NULL;
\ No newline at end of file
diff --git a/answers/exercise16.sql b/answers/exercise16.sql
index e69de29..8c5ca8c 100644
--- a/answers/exercise16.sql
+++ b/answers/exercise16.sql
@@ -0,0 +1 @@
+UPDATE Student SET City = 'Edinburgh';
\ No newline at end of file
diff --git a/answers/exercise17.sql b/answers/exercise17.sql
index e69de29..64b02d4 100644
--- a/answers/exercise17.sql
+++ b/answers/exercise17.sql
@@ -0,0 +1 @@
+UPDATE Student SET City = 'Edinburgh' WHERE Country = 'Scotland';
\ No newline at end of file
diff --git a/answers/exercise18.sql b/answers/exercise18.sql
index e69de29..9f7a77a 100644
--- a/answers/exercise18.sql
+++ b/answers/exercise18.sql
@@ -0,0 +1 @@
+UPDATE Student SET City = "Edinburgh", Country = "Scotland" WHERE  Id = 35;
\ No newline at end of file
diff --git a/answers/exercise19.sql b/answers/exercise19.sql
index e69de29..db0da2b 100644
--- a/answers/exercise19.sql
+++ b/answers/exercise19.sql
@@ -0,0 +1 @@
+DELETE FROM Students WHERE Country = "Scotland";
\ No newline at end of file
diff --git a/answers/exercise2.sql b/answers/exercise2.sql
index e69de29..e7487f3 100644
--- a/answers/exercise2.sql
+++ b/answers/exercise2.sql
@@ -0,0 +1 @@
+DROP DATABASE myNewDB;
\ No newline at end of file
diff --git a/answers/exercise20.sql b/answers/exercise20.sql
index e69de29..5c66fd1 100644
--- a/answers/exercise20.sql
+++ b/answers/exercise20.sql
@@ -0,0 +1 @@
+DELETE FROM Students;
\ No newline at end of file
diff --git a/answers/exercise3.sql b/answers/exercise3.sql
index e69de29..368c3ba 100644
--- a/answers/exercise3.sql
+++ b/answers/exercise3.sql
@@ -0,0 +1,9 @@
+CREATE TABLE Users 
+(
+	UserID INTEGER PRIMARY KEY NOT NULL AUTO_INCREMENT,
+    LastName VARCHAR (255),
+    FirstName VARCHAR (255),
+    Address VARCHAR (255),
+    City VARCHAR (255)
+);
+    
diff --git a/answers/exercise4.sql b/answers/exercise4.sql
index e69de29..fe6a7f5 100644
--- a/answers/exercise4.sql
+++ b/answers/exercise4.sql
@@ -0,0 +1 @@
+DROP TABLE Users;
\ No newline at end of file
diff --git a/answers/exercise5.sql b/answers/exercise5.sql
index e69de29..12321ad 100644
--- a/answers/exercise5.sql
+++ b/answers/exercise5.sql
@@ -0,0 +1 @@
+TRUNCATE TABLE Users;
\ No newline at end of file
diff --git a/answers/exercise6.sql b/answers/exercise6.sql
index e69de29..a061a4f 100644
--- a/answers/exercise6.sql
+++ b/answers/exercise6.sql
@@ -0,0 +1,2 @@
+ALTER TABLE Users
+ADD Birthdays DATE;
\ No newline at end of file
diff --git a/answers/exercise7.sql b/answers/exercise7.sql
index e69de29..3321fbe 100644
--- a/answers/exercise7.sql
+++ b/answers/exercise7.sql
@@ -0,0 +1,2 @@
+ALTER TABLE Users
+DROP COLUMN Birthdays;
\ No newline at end of file
diff --git a/answers/exercise8.sql b/answers/exercise8.sql
index e69de29..abe464d 100644
--- a/answers/exercise8.sql
+++ b/answers/exercise8.sql
@@ -0,0 +1,2 @@
+INSERT INTO Students (StudentName, Address, City, PostalCode, Country)
+VALUES ("Jane Doe", "57 Union St", "Glasgow", "G13RB", "Scotland");
\ No newline at end of file
diff --git a/answers/exercise9.sql b/answers/exercise9.sql
index e69de29..d3dcd16 100644
--- a/answers/exercise9.sql
+++ b/answers/exercise9.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Students
+WHERE NOT City='Philadelphia';
\ No newline at end of file