DBMS > Lovefield vs. Memcached

System Properties Comparison Lovefield vs. Memcached

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Editorial information provided by DB-Engines
Name	Lovefield  Xexclude from comparison	Memcached  Xexclude from comparison
Description	Embeddable relational database for web apps written in pure JavaScript	In-memory key-value store, originally intended for caching
Primary database model	Relational DBMS	Key-value store
DB-Engines Ranking measures the popularity of database management systems Trend Chart	Score 0.20 Rank #290   Overall #136   Relational DBMS	Score 24.12 Rank #33   Overall #4   Key-value stores
Website	google.github.io/­lovefield	www.memcached.org
Technical documentation	github.com/­google/­lovefield/­blob/­master/­docs/­spec_index.md	github.com/­memcached/­memcached/­wiki
Developer	Google	Danga Interactive originally developed by Brad Fitzpatrick for LiveJournal
Initial release	2014	2003
Current release	2.1.12, February 2017	1.6.15, March 2022
License Commercial or Open Source	Open Source Apache 2.0	Open Source BSD license
Cloud-based only Only available as a cloud service	no	no
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Implementation language	JavaScript	C
Server operating systems	server-less, requires a JavaScript environment (browser, Node.js) tested with Chrome, Firefox, IE, Safari	FreeBSD Linux OS X Unix Windows
Data scheme	yes	schema-free
Typing predefined data types such as float or date	yes	no
XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.	no
Secondary indexes	yes	no
SQL Support of SQL	SQL-like query language via JavaScript builder pattern	no
APIs and other access methods		Proprietary protocol
Supported programming languages	JavaScript	.Net C C++ ColdFusion Erlang Java Lisp Lua OCaml Perl PHP Python Ruby
Server-side scripts Stored procedures	no	no
Triggers	Using read-only observers	no
Partitioning methods Methods for storing different data on different nodes	none	none
Replication methods Methods for redundantly storing data on multiple nodes	none	none Repcached, a Memcached patch, provides this functionallity
MapReduce Offers an API for user-defined Map/Reduce methods	no	no
Foreign keys Referential integrity	yes	no
Transaction concepts Support to ensure data integrity after non-atomic manipulations of data	ACID	no
Concurrency Support for concurrent manipulation of data	yes	yes
Durability Support for making data persistent	yes, by using IndexedDB or the cloud service Firebase Realtime Database	no
In-memory capabilities Is there an option to define some or all structures to be held in-memory only.	yes using MemoryDB
User concepts Access control	no	yes using SASL (Simple Authentication and Security Layer) protocol
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	Lovefield	Memcached
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