ZipCodeCore · dmckoy0776 · Jul 29, 2021 · Jul 30, 2021 · Jul 30, 2021 · Jul 30, 2021
diff --git a/answers/exercise1.sql b/answers/exercise1.sql
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+CREATE SCHEMA MyNewDB;
diff --git a/answers/exercise10.sql b/answers/exercise10.sql
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+SELECT * FROM Students 
+WHERE city = 'Philadelphia'
+OR city = 'Trenton' ;
diff --git a/answers/exercise11.sql b/answers/exercise11.sql
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+SELECT * FROM Students ORDER BY city;
diff --git a/answers/exercise12.sql b/answers/exercise12.sql
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+SELECT * FROM Students ORDER BY city DESC;
diff --git a/answers/exercise13.sql b/answers/exercise13.sql
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+SELECT * FROM Students ORDER BY city, country;
+
diff --git a/answers/exercise14.sql b/answers/exercise14.sql
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+SELECT * FROM Students
+WHERE postalCode IS NULL;
diff --git a/answers/exercise15.sql b/answers/exercise15.sql
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+SELECT * FROM Students
+WHERE postalCode IS NOT NULL;
diff --git a/answers/exercise16.sql b/answers/exercise16.sql
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+UPDATE Students 
+SET city = 'Edinburgh';
diff --git a/answers/exercise17.sql b/answers/exercise17.sql
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+UPDATE Students
+SET city = 'Edinburgh'
+WHERE city = 'Scotland';
diff --git a/answers/exercise18.sql b/answers/exercise18.sql
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+UPDATE Students
+SET city = 'Edingburgh', country = 'Scotland'
+WHERE studentId = 35;
diff --git a/answers/exercise2.sql b/answers/exercise2.sql
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+DROP DATABASE myNewDB;
diff --git a/answers/exercise3.sql b/answers/exercise3.sql
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+CREATE SCHEMA userDatabase;
+USE userDatabase;
+CREATE TABLE users
+( userID INTEGER PRIMARY KEY NOT NULL AUTO_INCREMENT,
+lastName VARCHAR(255) NOT NULL,
+firstName VARCHAR(255) NOT NULL,
+address VARCHAR(255) NOT NULL,
+city VARCHAR(255) NOT NULL );
diff --git a/answers/exercise4.sql b/answers/exercise4.sql
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+USE userDatabase;
+DROP TABLE Users;
diff --git a/answers/exercise5.sql b/answers/exercise5.sql
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+USE userDatabase;
+TRUNCATE TABLE Users;
diff --git a/answers/exercise6.sql b/answers/exercise6.sql
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+USE userDatabase;
+ALTER TABLE Users
+ADD birthday DATE;
diff --git a/answers/exercise7.sql b/answers/exercise7.sql
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+ALTER TABLE Users DROP COLUMN birthday;
diff --git a/answers/exercise8.sql b/answers/exercise8.sql
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+INSERT INTO Students (studentName, address, city, postalCode, country)
+VALUES ('Jane Doe', '57 Union St', 'Glasgow', 'G13RB', 'Scotland');
diff --git a/answers/exercise9.sql b/answers/exercise9.sql
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+SELECT * FROM Students 
+WHERE city <> 'Philadelphia' ;
diff --git a/exercise18.sql b/exercise18.sql
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+UPDATE Students 
+SET city = 'Edinburgh', country = 'Scotland'
+WHERE studentId = 35;
diff --git a/exercise19.sql b/exercise19.sql
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+DELETE FROM Students
+WHERE country = 'Scotland';
diff --git a/exercise20.sql b/exercise20.sql
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+DELETE FROM Students;
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		SELECT * FROM Students ORDER BY city, country;
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		SELECT * FROM Students
		WHERE postalCode IS NULL;
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		SELECT * FROM Students
		WHERE postalCode IS NOT NULL;
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		INSERT INTO Students (studentName, address, city, postalCode, country)
		VALUES ('Jane Doe', '57 Union St', 'Glasgow', 'G13RB', 'Scotland');
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		SELECT * FROM Students
		WHERE city <> 'Philadelphia' ;
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		DELETE FROM Students
		WHERE country = 'Scotland';