Merge pull request 'Added CommonCommands.sql' (#1) from AddCommonCommands into master

Reviewed-on: https://linux.cgdesign.net/CGDesign/SQL_Scripts/pulls/1

CommonCommands.sql

@@ -0,0 +1,20 @@
+--Select all rows/columns from a TABLE
+SELECT * FROM myTable
+
+--Select top 10 rows from a TABLE
+SELECT TOP(10) * FROM myTable
+
+--Select specific columns from a TABLE
+SELECT Id, FirstName, LastName FROM myTable
+
+--Select all rows matching the last name Smith
+SELECT * FROM myTable WHERE LastName = 'Smith'
+
+--Select all rows in ascending/descending ORDER
+SELECT * FROM myTable ORDER BY CreateDate --ascending
+SELECT * FROM myTable ORDER BY CreateDate DESC --descending
+
+--Select matching records from 2 tables
+SELECT * FROM table1 t1
+JOIN table2 t2 ON t1.Id = t2.Id
+