Azure SQL Database Service Tiers
Azure SQL Database has four different service tiers which define the size, performance, features, and, most importantly, the cost of an Azure SQL Database. These service tiers are Basic, Standard, Premium, and Premium RS:
Note
The Database Transaction Unit is the measure of Azure SQL Database Performance. This is discussed later in the chapter.
Basic Service Tier
The Basic tier is the lowest tier available and is applicable to small, infrequently used applications, usually supporting one single active transaction at any given point in time.
The Basic tier has a size limit of 2 GB, a performance of 5 DTU, and costs ...
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