From a3ede07887e6ddd7dad6157fc3d6faec04190eb7 Mon Sep 17 00:00:00 2001 From: Dipinti Date: Thu, 29 Jul 2021 15:17:23 -0400 Subject: [PATCH] had fun writing queries ' --- answers/exercise1.sql | 1 + answers/exercise10.sql | 1 + answers/exercise11.sql | 1 + answers/exercise12.sql | 1 + answers/exercise13.sql | 1 + answers/exercise14.sql | 1 + answers/exercise15.sql | 1 + answers/exercise16.sql | 1 + answers/exercise17.sql | 1 + answers/exercise18.sql | 1 + answers/exercise19.sql | 1 + answers/exercise2.sql | 1 + answers/exercise20.sql | 1 + answers/exercise3.sql | 1 + answers/exercise4.sql | 1 + answers/exercise5.sql | 1 + answers/exercise6.sql | 1 + answers/exercise7.sql | 1 + answers/exercise8.sql | 1 + answers/exercise9.sql | 1 + 20 files changed, 20 insertions(+) diff --git a/answers/exercise1.sql b/answers/exercise1.sql index e69de29..0886c22 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..f454dca 100644 --- a/answers/exercise10.sql +++ b/answers/exercise10.sql @@ -0,0 +1 @@ +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..9206ed7 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..41b685f 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..0f3f3fd 100644 --- a/answers/exercise13.sql +++ b/answers/exercise13.sql @@ -0,0 +1 @@ +select * from Students order by city,country desc; \ No newline at end of file diff --git a/answers/exercise14.sql b/answers/exercise14.sql index e69de29..26a7190 100644 --- a/answers/exercise14.sql +++ b/answers/exercise14.sql @@ -0,0 +1 @@ +select * from Students where PostalCode=''; \ No newline at end of file diff --git a/answers/exercise15.sql b/answers/exercise15.sql index e69de29..be7ccb4 100644 --- a/answers/exercise15.sql +++ b/answers/exercise15.sql @@ -0,0 +1 @@ +select * from Students where not PostalCode=''; \ No newline at end of file diff --git a/answers/exercise16.sql b/answers/exercise16.sql index e69de29..b16bf14 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..c27892c 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..29cd07f 100644 --- a/answers/exercise18.sql +++ b/answers/exercise18.sql @@ -0,0 +1 @@ +update Students set City='Edinburgh',Country='Scotland' where StudentID=35; diff --git a/answers/exercise19.sql b/answers/exercise19.sql index e69de29..8e420b5 100644 --- 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 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..1b2d2dd 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..c2f819b 100644 --- a/answers/exercise3.sql +++ b/answers/exercise3.sql @@ -0,0 +1 @@ +create table Users(UserID int, LastName varchar(255),FirstName varchar(255), Address varchar(255), City varchar(255)); \ No newline at end of file diff --git a/answers/exercise4.sql b/answers/exercise4.sql index e69de29..acdc42e 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..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..5321f97 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..33352c0 100644 --- a/answers/exercise7.sql +++ b/answers/exercise7.sql @@ -0,0 +1 @@ +alter table Users drop column Birthday; diff --git a/answers/exercise8.sql b/answers/exercise8.sql index e69de29..a55ae2c 100644 --- a/answers/exercise8.sql +++ b/answers/exercise8.sql @@ -0,0 +1 @@ +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..ad08295 100644 --- a/answers/exercise9.sql +++ b/answers/exercise9.sql @@ -0,0 +1 @@ +select * from Students where not city='Philadelphia'; \ No newline at end of file