Final Project SQL Study I

progate/exercise1.sql
Use comparison operators to get all rows from the 
purchased_at
 column that have a date earlier than or equal to  
2018-11-01

(Including rows with the date 2018-11-01 itself)

progate/exercise2.sql
Use the LIKE operator to get rows for which the 
name
 column includes 
pudding

progate/exercise3.sql
Use the NOT operator to get rows for which the 
character_name
 column is not 
Ken the Ninja

progate/exercise4.sql
Use IS NULL to get rows for which the 
price
 column is NULL.

progate/exercise5.sql
Use the AND operator to get rows for which both of the following conditions are true:
1. The 
category
 column is 
food

and
2. The 
character_name
 column is 
Master Wooly

progate/exercise6.sql
Use ORDER BY and LIMIT to get the following result:
• All rows in descending order by the 
price
 column
• A maximum of 5 rows

Author: yyyashasviiiii

SQL Study I Final Project.sql

@@ -0,0 +1,44 @@
+-- after "FROM purchases" add code to rows with a date of "2018-11-01" or earlier in the "purchased_at" column
+
+SELECT *
+FROM purchases
+WHERE purchased_at <= "2018-11-01";
+
+
+-- after "FROM purchases" add code to get rows where the "name" contains "pudding"
+
+SELECT *
+FROM purchases
+WHERE name LIKE "%pudding%";
+
+/*
+after "FROM purchases" use the NOT operator to get rows where
+the "character_name" column is not "Ken the Ninja"
+*/
+
+SELECT *
+FROM purchases
+WHERE NOT character_name = "Ken the Ninja";
+
+-- after "FROM purchases" add code to get rows
+-- where the "price" column is NULL
+
+SELECT *
+FROM purchases
+WHERE price IS NULL;
+
+-- after "FROM purchases" add code to get rows where the "category" column is "food"
+-- and the "character_name" column is "Master Wooly"
+
+SELECT *
+FROM purchases
+WHERE category = "food"
+AND character_name = "Master Wooly";
+
+-- after "FROM purchases" add code to get a maximum of 5 rows
+-- in descending order by the "price" column
+
+SELECT *
+FROM purchases
+ORDER BY price DESC
+LIMIT 5;