Commence adding a standard header

Author: DavidSchanzer

Age Calculation/Calculating Age in Years.sql

@@ -1,4 +1,6 @@
--- The following is a simple way to calculate someone’s current age, or age as at a particular date
+-- Calculating Age in Years
+-- Part of the SQL Server DBA Toolbox at https://github.com/DavidSchanzer/Sql-Server-DBA-Toolbox
+-- This script demonstrates a simple way to calculate someone’s current age, or age as at a particular date.
 -- It formats each date as YYYYMMDD and converts this to an integer, then subtracts one integer from the other, and divides the result by 10,000.
 -- It’s 10,000 because you’re trying to truncate the difference month and day components, leaving only the years.
 

Agent Jobs/Change the SQL Agent job history purge period from 30 days to 90 days in the Ola Hallengren sp_purge_jobhistory job.sql

@@ -1,3 +1,7 @@
+-- Change the SQL Agent job history purge period from 30 days to 90 days in the Ola Hallengren sp_purge_jobhistory job
+-- Part of the SQL Server DBA Toolbox at https://github.com/DavidSchanzer/Sql-Server-DBA-Toolbox
+-- This script locates the 'sp_purge_jobhistory' job and edits it to change the default job history purge period from 30 days to 90 days instead.
+
 SET NOCOUNT ON;
 
 DECLARE @print_only BIT = 1,
@@ -6,7 +10,6 @@ DECLARE @print_only BIT = 1,
         @command NVARCHAR(MAX),
         @message VARCHAR(1000);
 
--- Change the SQL Agent job history purge period from 30 days to 90 days in the Ola Hallengren sp_purge_jobhistory job
 DECLARE @test TABLE
 (
     [step_id] INT NULL,

Agent Jobs/Remove the @StatisticsSample parameter for all Ola Hallengren IndexOptimize - USER_DATABASES jobs.sql

@@ -1,3 +1,7 @@
+-- Remove the @StatisticsSample parameter for all Ola Hallengren IndexOptimize - USER_DATABASES jobs
+-- Part of the SQL Server DBA Toolbox at https://github.com/DavidSchanzer/Sql-Server-DBA-Toolbox
+-- This script locates the 'IndexOptimize - USER_DATABASES' job and edits it to remove the '@StatisticsSample = 100' parameter.
+
 SET NOCOUNT ON;
 
 DECLARE @print_only BIT = 1,
@@ -6,7 +10,6 @@ DECLARE @print_only BIT = 1,
         @command NVARCHAR(MAX),
         @message VARCHAR(1000);
 
--- Remove the @StatisticsSample parameter for all Ola Hallengren "IndexOptimize - USER_DATABASES" jobs
 DECLARE @test TABLE
 (
     [step_id] INT NULL,