TCP connection

External Article

Improving the Quality of SQL Server Database Connections in the Cloud

  • Article

To access SQL Server from the client, you use TDS protocol over TCP. This is fine over reliable LANs but over the internet these connections are relatively slow and fragile. TDS is still used to connect to databases in the cloud, but you need to use a combination of the new features such as connection pools and idle connection resiliency to make applications faster and more reliable. Edward Elliott shows you how.

2014-10-07

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Question of the Day

The "ORDER BY" clause behavior

Let’s consider the following script that can be executed without any error on both SQL Sever and PostgreSQL. We define the table t1 in which we insert three records: 

create table t1 (id int primary key, city varchar(50));

insert into t1 values (1, 'Rome'), (2, 'New York'), (3, NULL);
If we execute the following query, how will the records be sorted in both environments? 
select city

from t1

order by city;

See possible answers