iLearnSQL

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Technical Article

Monitor basic Database parameters like Recovery Model, Page Verify, Auto Close, Auto Shrink, DB Owner, Auto Create Statistics Enabled, DB Create Date etc with PowerShell command.

I have created this script for one of our client, the requirement was all the databases should be in full recovery model and should be monitored. Also, I added other important parameters like AutoShrink, AutoClose etc. Output:

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2020-06-16

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Question of the Day

The string_agg function

We create the following table and then insert some records in it:

create table t1 (
   id int primary key,
   category char(1) not null,
   product varchar(50)
);

insert into t1 values
(1, 'A', 'Product 1'),
(2, 'A', 'Product 2'),
(3, 'A', 'Product 3'),
(4, 'B', 'Product 4'),
(5, 'B', 'Product 5');
What happens if we execute the following query in both Sql Server and PostgreSQL?
select id, 
category, 
string_agg(product, ';')
                 over (partition by category order by id
                 rows between unbounded preceding and unbounded following) as stragg
from t1;

See possible answers