Publications associées à Snapshot isolation

Oligolithic Cross-task Optimizations across Isolated Workloads.

Anastasia Ailamaki, Panagiotis Sioulas, Eleni Zapridou

Enterprises collect data in large volumes and leverage them to drive numerous concurrent decisions and business processes. Their teams deploy multiple applications that often operate concurrently on the same data and infrastructure but have widely differen ...

2024

When is it safe to run a transactional workload under Read Committed?

Christoph Koch, Bas Ketsman

The popular isolation level multiversion Read Committed (RC) exchanges some of the strong guarantees of serializability for increased transaction throughput. Nevertheless, transaction workloads can sometimes be executed under RC while still guaranteeing se ...

ASSOC COMPUTING MACHINERY2023

Organocatalytic Enantioselective Pictet–Spengler Reaction of α‐Ketoesters: Development and Application to the Total Synthesis of (+)‐Alstratine A

Qian Wang, Jieping Zhu, Rémi Julien Sylvain Andres, Fenggang Sun

We report herein an asymmetric Pictet– Spengler reaction of α-ketoesters. In the presence of a catalytic amount of simple alanine-derived squaramide and p-nitrobenzoic acid, reaction of tryptamines with methyl 2-oxoalkanoates afforded the corresponding 1- ...

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Deciding Robustness for Lower SQL Isolation Levels

Christoph Koch, Bas Ketsman

While serializability always guarantees application correctness, lower isolation levels can be chosen to improve transaction throughput at the risk of introducing certain anomalies. A set of transactions is robust against a given isolation level if every p ...

ASSOC COMPUTING MACHINERY2022

Robustness against Read Committed for Transaction Templates

Christoph Koch, Bas Ketsman

The isolation level Multiversion Read Committed (RC), offered by many database systems, is known to trade consistency for increased transaction throughput. Sometimes, transaction workloads can be safely executed under RC obtaining the perfect isolation of ...

ASSOC COMPUTING MACHINERY2021

Deciding Robustness for Lower SQL Isolation Levels

Christoph Koch, Bas Ketsman

ASSOC COMPUTING MACHINERY2020

Resolving bundle-specific intra-axonal T2 values within a voxel using diffusion-relaxation tract-based estimation

Jean-Philippe Thiran, Erick Jorge Canales Rodriguez, Alessandro Daducci, Cristina Granziera, Muhamed Barakovic

At the typical spatial resolution of MRI in the human brain, approximately 60–90% of voxels contain multiple fiber populations. Quantifying microstructural properties of distinct fiber populations within a voxel is therefore challenging but necessary. Whil ...

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Bentonite clay barriers in nuclear waste repositories

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Deep disposal of high-level radioactive waste is the preferred solution worldwide for the long-term disposal of nuclear waste. This concept involves a series of geological and engineered barriers that provide isolation of the waste from the biosphere. Most ...

EDP SCIENCES2020

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Snapshot isolation

Oligolithic Cross-task Optimizations across Isolated Workloads.

When is it safe to run a transactional workload under Read Committed?

Organocatalytic Enantioselective Pictet–Spengler Reaction of α‐Ketoesters: Development and Application to the Total Synthesis of (+)‐Alstratine A

Concurrency control for database theorists

Deciding Robustness for Lower SQL Isolation Levels

Robustness against Read Committed for Transaction Templates

Efficient Protocols for Enforcing Causal Consistency in Geo-Replicated Key-Value Data Stores

Deciding Robustness for Lower SQL Isolation Levels

Resolving bundle-specific intra-axonal T2 values within a voxel using diffusion-relaxation tract-based estimation

Bentonite clay barriers in nuclear waste repositories

Graph Chatbot

Chattez avec Graph Search

When is it safe to run a transactional workload under Read Committed?

Organocatalytic Enantioselective Pictet–Spengler Reaction of α‐Ketoesters: Development and Application to the Total Synthesis of (+)‐Alstratine A

Concurrency control for database theorists

Robustness against Read Committed for Transaction Templates

Deciding Robustness for Lower SQL Isolation Levels

Bentonite clay barriers in nuclear waste repositories

Oligolithic Cross-task Optimizations across Isolated Workloads.

Deciding Robustness for Lower SQL Isolation Levels

Efficient Protocols for Enforcing Causal Consistency in Geo-Replicated Key-Value Data Stores

Resolving bundle-specific intra-axonal T2 values within a voxel using diffusion-relaxation tract-based estimation