On the other hand, planning around BASE limitations can sometimes be a major disadvantage when compared to the simplicity of ACID transactions. A fully ACID database is the perfect fit for use cases where data reliability and consistency are essential (banking, anyone?). ...
有趣的是,ACID的意思是酸,而BASE却是碱的意思,因此这是一个对立的东西。其实,从本质上来讲,酸(ACID)强调的一致性(CAP中的C),而碱(BASE)强调是可用性(CAP中的A)。 http://www.sigma.me/2011/06/17/database-acid-and-base.html
BASE:让系统放松某一时刻对数据一致性的要求来换取系统整体的伸缩性和性能上的改观,最后使用BASE保证最终一致性。
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CAS DataBase Reference7664-38-2(CAS DataBase Reference) EWG's Food Scores1 FDA UNIIE4GA8884NN NCI Dictionary of Cancer Termsphosphoric;phosphoric acid NIST Chemistry ReferencePhosphoric acid(7664-38-2) Pesticides Freedom of Information Act (FOIA)Phosphoric acid ...
1.用户必须使用Hive 3.0及更高版本。如果你使用的是旧版本,建议你将Hive Metastore database和server升级到3.1.2。旧一点的Hive比如v2.3可以继续与Hive3.1.2兼容。 2.为了让Spark能够读取Hive事务表,用户必须使用可用的Spark ACID数据源,参考: https:///qubole/spark-acid ...
2.4 Acid-base chemistry vs substrate-assisted catalysis in tRNA aminoacylation The second step in tRNA aminoacylation is transfer of the activated amino acid from the aa-AMP to the A76 ribose 2′-OH (for class I enzymes) or 3′-OH (for most class II enzymes). Mechanistically, the nucleop...
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scindens reference genome, available from NCBI Genome database (ID: 977). HTSeq (v0.6.1) was used to count the reads numbers mapped to each gene. And then Fragments Per Kilobase of exon model per Million mapped reads of each gene was calculated based on the length of the gene and ...