diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..4756ced
Binary files /dev/null and b/.DS_Store differ
diff --git a/answers/exercise1.sql b/answers/exercise1.sql
index e69de29..9a1a4d3 100644
--- a/answers/exercise1.sql
+++ b/answers/exercise1.sql
@@ -0,0 +1 @@
+create schema myNewDB;
diff --git a/answers/exercise10.sql b/answers/exercise10.sql
index e69de29..7d2514b 100644
--- a/answers/exercise10.sql
+++ b/answers/exercise10.sql
@@ -0,0 +1 @@
+select * from Students where City = 'Philadelphia' or 'Trenton';
\ No newline at end of file
diff --git a/answers/exercise11.sql b/answers/exercise11.sql
index e69de29..7cd5e7f 100644
--- a/answers/exercise11.sql
+++ b/answers/exercise11.sql
@@ -0,0 +1 @@
+Select * from Students order by City ASC;
\ No newline at end of file
diff --git a/answers/exercise12.sql b/answers/exercise12.sql
index e69de29..9adaf01 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..b11c8f0 100644
--- a/answers/exercise13.sql
+++ b/answers/exercise13.sql
@@ -0,0 +1 @@
+Select * from Students order by Country, City ASC;
\ No newline at end of file
diff --git a/answers/exercise14.sql b/answers/exercise14.sql
index e69de29..2c23b28 100644
--- a/answers/exercise14.sql
+++ b/answers/exercise14.sql
@@ -0,0 +1 @@
+Select * from Students where PostalCode = null;
\ No newline at end of file
diff --git a/answers/exercise15.sql b/answers/exercise15.sql
index e69de29..759d7fa 100644
--- a/answers/exercise15.sql
+++ b/answers/exercise15.sql
@@ -0,0 +1 @@
+Select * from Students where PostalCode <> null;
\ No newline at end of file
diff --git a/answers/exercise16.sql b/answers/exercise16.sql
index e69de29..edf0674 100644
--- a/answers/exercise16.sql
+++ b/answers/exercise16.sql
@@ -0,0 +1 @@
+Update Students Set City = 'Edinburgh';
\ No newline at end of file
diff --git a/answers/exercise17.sql b/answers/exercise17.sql
index e69de29..c0e6360 100644
--- a/answers/exercise17.sql
+++ b/answers/exercise17.sql
@@ -0,0 +1 @@
+Update Students Set City = 'Edinburgh' Where Country = 'Scotland';
\ No newline at end of file
diff --git a/answers/exercise18.sql b/answers/exercise18.sql
index e69de29..060cfa5 100644
--- a/answers/exercise18.sql
+++ b/answers/exercise18.sql
@@ -0,0 +1 @@
+Update Students Set City = 'Edinburgh', Country = 'Scotland' where StudentID = 35;
\ No newline at end of file
diff --git a/answers/exercise19.sql b/answers/exercise19.sql
index e69de29..6ef22fd 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..b529a1e 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..f0d330e 100644
--- a/answers/exercise20.sql
+++ b/answers/exercise20.sql
@@ -0,0 +1 @@
+truncate Students;
\ No newline at end of file
diff --git a/answers/exercise3.sql b/answers/exercise3.sql
index e69de29..883c93f 100644
--- a/answers/exercise3.sql
+++ b/answers/exercise3.sql
@@ -0,0 +1,8 @@
+create table Users
+(
+    UserID int,
+    LastName VARCHAR(255),
+    FirstName VARCHAR(255),
+    Address VARCHAR(255),
+    City VARCHAR(255)
+);
diff --git a/answers/exercise4.sql b/answers/exercise4.sql
index e69de29..1623a52 100644
--- a/answers/exercise4.sql
+++ b/answers/exercise4.sql
@@ -0,0 +1 @@
+delete Users from myNewDB;
\ No newline at end of file
diff --git a/answers/exercise5.sql b/answers/exercise5.sql
index e69de29..c55f726 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..ef1d98d 100644
--- a/answers/exercise6.sql
+++ b/answers/exercise6.sql
@@ -0,0 +1 @@
+alter table Users add Birthday Date;
\ No newline at end of file
diff --git a/answers/exercise7.sql b/answers/exercise7.sql
index e69de29..4a49193 100644
--- a/answers/exercise7.sql
+++ b/answers/exercise7.sql
@@ -0,0 +1 @@
+delete Birthday from Users;
\ No newline at end of file
diff --git a/answers/exercise8.sql b/answers/exercise8.sql
index e69de29..62c2a12 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..cf11df7 100644
--- a/answers/exercise9.sql
+++ b/answers/exercise9.sql
@@ -0,0 +1 @@
+select * from Students where City <> 'Philadelphia';
\ No newline at end of file