Commit 4b987f5

author

Jonathan Chan

committed

Updated Assessment and README

1 parent 3a20390 commit 4b987f5Copy full SHA for 4b987f5

File tree

2 files changed

+24

-2

lines changed

Assessment.md
README.md

2 files changed

+24

-2

lines changed

`‎Assessment.md‎`

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -46,7 +46,7 @@ Navigate to [W3 School's Database](https://www.w3schools.com/sql/trysql.asp?file`
`46`	`46`	`1. Query the names and phone numbers across all Shippers and Suppliers`
`47`	`47`	`2. Query the fullnames of all customer and employee with the letter "a" is in their First or Last Name (be careful for case sensitivity)`
`48`	`48`
`49`		`-## Case Examples`
	`49`	`+## Case Statements`
`50`	`50`
`51`	`51`	`1. Query all Products details and return new calculated field, PriceRange with the following conditions`
`52`	`52`	`1. If the product price is below or equal to 15, return "Low"`

`‎README.md‎`

Lines changed: 23 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -17,6 +17,7 @@`
`17`	`17`	`11. [Joining Tables](#Joining-Tables)`
`18`	`18`	`12. [Advanced Joins](#Advanced-Joins)`
`19`	`19`	`13. [Combining Queries](#Combining-Queries)`
	`20`	`+14. [Case Statement](#Case-Statement)`
`20`	`21`
`21`	`22`	`### Resources:`
`22`	`23`
`@@ -692,7 +693,7 @@ WHERE p.SupplierID = s.SupplierID`
`692`	`693`
`693`	`694`	`#### Example:`
`694`	`695`
`695`		`-- The below SQL Statement returns all countries of the Suppliers and Customers within a single query result set.`
	`696`	`+- The below SQL Statement returns all unique countries from the Suppliers and Customers table within a single query result set.`
`696`	`697`
`697`	`698`	```sql
`698`	`699`	`SELECT Country FROM Suppliers`
`@@ -715,4 +716,25 @@ SELECT Country FROM Customers`
`715`	`716`
`716`	`717`	`---`
`717`	`718`
	`719`	`+## Case Statement`
	`720`	`+`
	`721`	`+- The CASE statement goes through conditions and returns a value when the first condition is met (like an IF-THEN-ELSE statement)`
	`722`	`+- Once a condition is true, it will stop reading and return the result.`
	`723`	`+- If no conditions are true, it returns the value in the ELSE clause.`
	`724`	`+`
	`725`	`+#### Example:`
	`726`	`+`
	`727`	`+- The below SQL statement returns a value of YES if the order quantity is greater than 40. If not, a value of NO is returned under the calculated field, QuantityOver40`
	`728`	`+`
	`729`	+```sql
	`730`	`+SELECT OrderID,`
	`731`	`+CASE`
	`732`	`+ WHEN Quantity > 40 THEN "YES"`
	`733`	`+ ELSE "NO"`
	`734`	`+END as QuantityOver40`
	`735`	`+FROM OrderDetails`
	`736`	+```
	`737`	`+`
	`738`	`+---`
	`739`	`+`
`718`	`740`	`> You have reached the end of the SQL quick start guide!`

0 commit comments

Comments

(0)

Navigation Menu

Search code, repositories, users, issues, pull requests...

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

Commit 4b987f5

File tree

2 files changed

2 files changed

`‎Assessment.md‎`

`‎README.md‎`

0 commit comments