Microsoft\u2019s Eron Kelly has recently blogged about Azure SQL Database introduces new service tiers, where the existing Web and Business service tiers will be replaced in twelve months<\/a>, as they are gradually replaced by six new service tiers, including Basic, Standard 1, Standard 2, Premium 1, Premium 2, and Premium 3. There will be differences in the \u201cself-recovery\u201d level and geo-replication levels across the SKUs. <\/p>\n Here are a couple of new acronyms for you to learn: <\/p>\n Database Throughput Unit (DTU):<\/strong> The resources powering each performance level are represented in DTUs. It combines CPU, memory, physical reads, and transaction log writes into a single unit. A performance level with 5 DTUs has five times more power than a performance level with 1 DTU. The \u201cDatabase Throughput Unit\u201d (DTU) represents database power and is meant to replace hardware specifications in the context of Azure SQL Database. <\/p>\n Azure SQL Database Benchmark (ASDB):<\/strong> ASDB measures the actual throughput of a performance level by using a mix of database operations which occur most frequently in online transaction processing (OLTP) workloads. <\/p>\n Table 1 shows some relevant information about these new Azure SQL Database service tiers.<\/p>\n