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DBMS > LevelDB vs. MemSQL vs. Microsoft Access

System Properties Comparison LevelDB vs. MemSQL vs. Microsoft Access

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Editorial information provided by DB-Engines
NameLevelDB  Xexclude from comparisonMemSQL  Xexclude from comparisonMicrosoft Access  Xexclude from comparison
DescriptionEmbeddable fast key-value storage library that provides an ordered mapping from string keys to string valuesMySQL wire-compliant distributed RDBMS that combines an in-memory row-oriented and a disc-based column-oriented storageMicrosoft Access combines a backend RDBMS (JET / ACE Engine) with a GUI frontend for data manipulation and queries. infoThe Access frontend is often used for accessing other datasources (DBMS, Excel, etc.)
Primary database modelKey-value storeRelational DBMSRelational DBMS
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.86
Rank#89  Overall
#15  Key-value stores
Score4.52
Rank#70  Overall
#37  Relational DBMS
Score128.58
Rank#9  Overall
#6  Relational DBMS
Websitegithub.com/­google/­leveldbwww.memsql.comproducts.office.com/­en-us/­access
Technical documentationgithub.com/­google/­leveldb/­blob/­master/­doc/­index.mddocs.memsql.commsdn.microsoft.com/­en-us/­library/­office/­ff604965.aspx
DeveloperGoogleMemSQL Inc.Microsoft
Initial release201120131992
Current release1.22, May 20196.8, August 20191902 (16.0.11328.20222), March 2019
License infoCommercial or Open SourceOpen Source infoBSDcommercial infofree developer edition availablecommercial infoBundled with Microsoft Office
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C++C++
Server operating systemsIllumos
Linux
OS X
Windows
Linux info64 bit version requiredWindows infoNot a real database server, but making use of DLLs
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or datenoyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nono
Secondary indexesnoyesyes
SQL infoSupport of SQLnoyes, but no triggers and foreign keysyes infobut not compliant to any SQL standard
APIs and other access methodsC++ API
Go
Java infoThird party binding
Node.js infoThird party binding
Python infoThird party binding
JDBC
ODBC
ADO.NET
DAO
ODBC
OLE DB
Supported programming languagesC++
Go
Bash
C
C#
Java
JavaScript (Node.js)
Python
C
C#
C++
Delphi
Java (JDBC-ODBC)
VBA
Visual Basic.NET
Server-side scripts infoStored proceduresnoyesyes infosince Access 2010 using the ACE-engine
Triggersnonoyes infosince Access 2010 using the ACE-engine
Partitioning methods infoMethods for storing different data on different nodesnoneShardingnone
Replication methods infoMethods for redundantly storing data on multiple nodesnoneMaster-slave replicationnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency only within each node
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infoOnly isolation level: READ COMMITEDACID infobut no files for transaction logging
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
Durability infoSupport for making data persistentyes infowith automatic compression on writesyesyes infobut no files for transaction logging
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlnofine grained access rights according to SQL-standardno infoa simple user-level security was built in till version Access 2003

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More resources
LevelDBMemSQLMicrosoft Access
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