ZipCodeCore · tokhij · Nov 29, 2019
diff --git a/.idea/.gitignore b/.idea/.gitignore
diff --git a/.idea/SQL.BuildAndDestroy.iml b/.idea/SQL.BuildAndDestroy.iml
diff --git a/.idea/misc.xml b/.idea/misc.xml
diff --git a/.idea/modules.xml b/.idea/modules.xml
diff --git a/.idea/sqldialects.xml b/.idea/sqldialects.xml
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
diff --git a/answers/exercise1.sql b/answers/exercise1.sql
@@ -0,0 +1 @@
+CREATE DATABASE myNewDB;
diff --git a/answers/exercise10.sql b/answers/exercise10.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Students
+WHERE City='Philadelphia' OR City='Trenton';
diff --git a/answers/exercise11.sql b/answers/exercise11.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Students
+ORDER BY City ASC;
diff --git a/answers/exercise12.sql b/answers/exercise12.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Students
+ORDER BY City DESC;
diff --git a/answers/exercise13.sql b/answers/exercise13.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Students
+ORDER BY Country, City ASC;
diff --git a/answers/exercise14.sql b/answers/exercise14.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE PostalCode IS NULL;
diff --git a/answers/exercise15.sql b/answers/exercise15.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE PostalCode IS NOT NULL;
diff --git a/answers/exercise16.sql b/answers/exercise16.sql
@@ -0,0 +1 @@
+UPDATE Students SET City='Edinburgh';
diff --git a/answers/exercise17.sql b/answers/exercise17.sql
@@ -0,0 +1,3 @@
+UPDATE Customers
+SET City='Edinburgh'
+WHERE Country='Scotland';
diff --git a/answers/exercise18.sql b/answers/exercise18.sql
@@ -0,0 +1,3 @@
+UPDATE Students
+SET City= "Edinburgh", Country= "Scotland"
+WHERE ID = 35;
diff --git a/answers/exercise19.sql b/answers/exercise19.sql
@@ -0,0 +1 @@
+DELETE FROM Students WHERE Country='Scotland';
diff --git a/answers/exercise2.sql b/answers/exercise2.sql
@@ -0,0 +1 @@
+DROP DATABASE myNewDB;
diff --git a/answers/exercise20.sql b/answers/exercise20.sql
@@ -0,0 +1 @@
+DELETE FROM Students;
diff --git a/answers/exercise3.sql b/answers/exercise3.sql
@@ -0,0 +1,7 @@
+CREATE TABLE Users(
+userId int,
+last_name VARCHAR (255) NOT NULL,
+first_name VARCHAR (255) NOT NULL,
+address VARCHAR (255) NOT NULL,
+city VARCHAR (255) NOT NULL,
+);
diff --git a/answers/exercise4.sql b/answers/exercise4.sql
@@ -0,0 +1 @@
+DROP TABLE Users;
diff --git a/answers/exercise5.sql b/answers/exercise5.sql
@@ -0,0 +1 @@
+TRUNCATE TABLE Users;
diff --git a/answers/exercise6.sql b/answers/exercise6.sql
@@ -0,0 +1 @@
+ADD birthday DATE NOT NULL;
diff --git a/answers/exercise7.sql b/answers/exercise7.sql
@@ -0,0 +1 @@
+DELETE FROM Users WHERE birthday;
diff --git a/answers/exercise8.sql b/answers/exercise8.sql
@@ -0,0 +1,8 @@
+INSERT INTO Students;
+StudentName,
+Address,
+City,
+PostalCode,
+Country,
+)
+VALUES ('Jane Doe', '57 Union St', 'Glasgow', 'Scotland', 'G13RB');
diff --git a/answers/exercise9.sql b/answers/exercise9.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Students
+WHERE NOT City='Philadelphia';
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		SELECT * FROM Students
		WHERE City='Philadelphia' OR City='Trenton';
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		SELECT * FROM Students
		ORDER BY Country, City ASC;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		SELECT * FROM Students WHERE PostalCode IS NULL;
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		SELECT * FROM Students
		WHERE NOT City='Philadelphia';