diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..22ee19f
Binary files /dev/null and b/.DS_Store differ
diff --git a/answers/exercise1.sql b/answers/exercise1.sql
index e69de29..07c2318 100644
--- a/answers/exercise1.sql
+++ b/answers/exercise1.sql
@@ -0,0 +1 @@
+CREATE DATABASE myNewDB;
\ No newline at end of file
diff --git a/answers/exercise10.sql b/answers/exercise10.sql
index e69de29..c9729ce 100644
--- a/answers/exercise10.sql
+++ b/answers/exercise10.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE City IN ('Trenton', 'Philadelphia');
\ 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..b7a44e7 100644
--- a/answers/exercise13.sql
+++ b/answers/exercise13.sql
@@ -0,0 +1 @@
+SELECT * FROM Students ORDER BY Country , City;
\ No newline at end of file
diff --git a/answers/exercise14.sql b/answers/exercise14.sql
index e69de29..41cffb6 100644
--- a/answers/exercise14.sql
+++ b/answers/exercise14.sql
@@ -0,0 +1,13 @@
+INSERT INTO Students(
+StudentName, 
+Address,
+City,
+Country, 
+PostalCode)
+VALUES(
+'Steve-o',
+'57 Union St',
+'Glasgow',
+'Scotland',
+NULL);
+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..e27f42c 100644
--- a/answers/exercise16.sql
+++ b/answers/exercise16.sql
@@ -0,0 +1,5 @@
+UPDATE Students SET City = 'Edinburgh';
+
+SET SQL_SAFE_UPDATES = 0;
+
+SELECT * FROM Students;
\ No newline at end of file
diff --git a/answers/exercise17.sql b/answers/exercise17.sql
index e69de29..3ef9098 100644
--- a/answers/exercise17.sql
+++ b/answers/exercise17.sql
@@ -0,0 +1 @@
+UPDATE Students SET City = 'Edinburgh' AND Country = 'Scotland';
\ No newline at end of file
diff --git a/answers/exercise18.sql b/answers/exercise18.sql
index e69de29..febf17e 100644
--- a/answers/exercise18.sql
+++ b/answers/exercise18.sql
@@ -0,0 +1 @@
+UPDATE Students SET City = 'Edinburgh' AND Country = 'Scotland' WHERE ID = 35;
\ No newline at end of file
diff --git a/answers/exercise19.sql b/answers/exercise19.sql
index e69de29..2cdd0fd 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..dca3f6e 100644
--- a/answers/exercise3.sql
+++ b/answers/exercise3.sql
@@ -0,0 +1,10 @@
+USE myNewDB;
+
+CREATE TABLE Users(
+UserID int,
+LastName VARCHAR(255),
+FirstName VARCHAR(255),
+Address VARCHAR(255),
+City VARCHAR(255));
+
+DESCRIBE Users;
\ No newline at end of file
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..5eeb240 100644
--- a/answers/exercise6.sql
+++ b/answers/exercise6.sql
@@ -0,0 +1,3 @@
+ALTER TABLE Users
+ADD Birthday DATE;
+DESCRIBE Users;
\ No newline at end of file
diff --git a/answers/exercise7.sql b/answers/exercise7.sql
index e69de29..ddf5c39 100644
--- a/answers/exercise7.sql
+++ b/answers/exercise7.sql
@@ -0,0 +1,3 @@
+ALTER TABLE Users
+DROP Birthday;
+DESCRIBE Users;
\ No newline at end of file
diff --git a/answers/exercise8.sql b/answers/exercise8.sql
index e69de29..c555a6a 100644
--- a/answers/exercise8.sql
+++ b/answers/exercise8.sql
@@ -0,0 +1,21 @@
+CREATE TABLE Students(
+StudentName VARCHAR (255),
+Address VARCHAR(255),
+City VARCHAR(255),
+PostalCode VARCHAR(255),
+Country VARCHAR(255));
+
+INSERT INTO Students(
+StudentName,
+Address,
+City,
+Country,
+PostalCode)
+VALUES(
+'Jane Doe',
+'57 Union St',
+'Glasgow',
+'Scotland',
+'G13RB');
+
+SELECT * FROM Students;
\ No newline at end of file
diff --git a/answers/exercise9.sql b/answers/exercise9.sql
index e69de29..8e9034d 100644
--- a/answers/exercise9.sql
+++ b/answers/exercise9.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE City NOT IN ('Philadelphia');
\ No newline at end of file