Search Results for "database index" - Page 2
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Showing 79 open source projects for "database index"
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Elassandra
Elassandra = Elasticsearch + Apache Cassandra
Elassandra is an open-source integration of Apache Cassandra and Elasticsearch, combining the distributed NoSQL storage of Cassandra with Elasticsearch’s search and analytics capabilities. This hybrid database solution allows users to store, index, and query data efficiently while ensuring fault tolerance and scalability. -
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JQuickBase
elementary database files for Java, B+ tree index files, ISAM
Java API to realize quick ISAM (Index Sequential Access Method) functionality for application in the file system. Includes scalable database files w/ space recovery and variable record length, scalable B+Tree index files. Supports file backup and restore. Two package types: one with and one without strong file encryption using Twofish algorithm and state-of-the-art encryption technology. -
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sled
The champagne of beta embedded databases
Serializable (ACID) transactions for atomically reading and writing to multiple keys in multiple keyspaces. Fully atomic single-key operations, including compare and swap. Forward and reverse iterators over ranges of items. A crash-safe monotonic ID generator capable of generating 75-125 million unique ID's per second. Zstd compression (use the compression build feature, disabled by default). Cpu-scalable lock-free implementation. Flash-optimized log-structured storage. Uses modern b-tree... -
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OpenTSDB
A scalable, distributed time series database
OpenTSDB is a distributed, scalable Time Series Database (TSDB) written on top of HBase. OpenTSDB was written to address a common need: store, index and serve metrics collected from computer systems (network gear, operating systems, applications) at a large scale, and make this data easily accessible and graphable. Store and serve massive amounts of time series data without losing granularity. -
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JuliaDB.jl
Parallel analytical database in pure Julia
JuliaDB is a package for working with large persistent data set. JuliaDB provides distributed table and array datastructures with convenient functions to load data from CSV. JuliaDB is Julia all the way down. This means queries can be composed with Julia code that may use a vast ecosystem of packages. -
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Elasticsearch-HQ
Monitoring and Management Web Application for ElasticSearch instances
Elasticsearch-HQ is a management and monitoring tool for Elasticsearch clusters, providing a web-based interface to view, manage, and optimize cluster performance. -
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Ix Adder
2 smart Stored Procedures to handle "Missing Indexes" in SQL Server
<<Why Did It Have to Be Snakes?>> (Indiana Jones) This "Ix Adder" is deadly venomous for "Expensive Queries"! It taps from SQL Server's "Missing Index" proposals and cleans them up sufficiently before installing them automatically. IXA balances the Cost/Benefit of an Index to significantly improve READ performance while not degrading WRITE performance. But take care: used in a wrong way this viper could also bite your very own butt! "Ix Adder"'s little pal is "Ix Strictor" which... -
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The purpose of GeoRaptor project is to extend Oracle SQL Developer with additional functionality for database administrators or developers working with Oracle Spatial data. Dear Users, A port to version 4.x of SQL Developer is being attempted. It is not simple due to the lack of development resources. Please keep using GeoRaptor with SQL Developer 3.x until the new version is available. Thanks. Simon Greener
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Ardb
A redis protocol compatible nosql, it support multiple storage engines
A redis protocol compatible nosql, it supports multiple storage engines as backend like Google's LevelDB, Facebook's RocksDB, OpenLDAP's LMDB, PerconaFT, WiredTiger, ForestDB. Full redis-protocol compatibility. Most redis commands are supported, and a few new commands. Ardb commands VS Redis Commands. Multi storage engines supported. RocksDB, LevelDB, LMDB, WiredTiger, PerconaFT, ForestDB. Multi data structure types supported, String, List, Set, Sorted Set, Hash, Bitmap(String),... -
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ERMaster is Eclipse plug-in to make ER diagram. Functionally, Import from data base, Making of table definition book on Excel, Image output, DDL output, etc. are being offered.
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elasticsearch-head
A web front end for an elastic search cluster
elasticsearch-head is a web front end for browsing and interacting with an Elastic Search cluster. elasticsearch-head is hosted and can be downloaded or forked at github. There are two ways of running and installing elasticsearch-head. Running as a plugin of ElasticSearch (this is the preferred method). And running as a standalone webapp. By default es-head will immediately attempt to connect to a cluster node at http://localhost:9200/. Enter a different node address in the connect box and... -
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Lovefield
Lovefield is a relational database for web apps
...The engine includes a cost-based optimizer and a planner that chooses index scans and join orders to reduce latency. Because it is embedded, apps can keep responsive, offline-capable experiences while synchronizing with a server on their own schedule. The library targets maintainable, testable data logic by abstracting away browser storage quirks behind a stable relational façade. -
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qMongoFront
qMongoFront is a GUI tools for Mongodb. It is developed using QT
qMongoFront is a native QT mongodb application for Linux that gives you an usable GUI interface to work with mongodb. It's free and open source. -
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ldi
Lucene Oracle Integration using Data Cartridge API
Lucene Domain Index is full integration of Lucene project running inside the Oracle database using Oracle JVM. The integration provides a transparent detection of row data changes and an SQL layer for doing search. -
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Big Sack
Big Sack: A lightweight Java Key/Value store with undo and disk cache.
Big Sack is a Java persistence mechanism that allows storage of key value pairs following the popular Big Data paradigms. Its a very simple and straightforward way to bridge the gap between in-memory data structures and long-term storage. It has the convenience of Java SDK TreeMap and TreeSet classes and is used the same easy way, but it includes rollback through undo logging to checkpoint data so it does not wind up in an unknown state regardless of failures. Data storage in the exabyte... -
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Pretoria is a tool for manipulating Oracle indexfiles. Basically, Pretoria parses the indexfile and performs a search and replace on the storage parameters - it then separates table create statements and index create statements. These files can then be u
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iBoxDB
flexible nosql database for java .net android windows phone
Traditional way deal with data, with NoSQL fashional styles, pure java c# database, not only CURD and QL, but also Replication services. for java android : https://github.com/iboxdb/forjava for .net windows phone : https://iboxdb.codeplex.com/ benchmark : https://github.com/iboxdb/forjava/wiki/Benchmark-with-MongoDB -
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...Column-> name, type, precision, length, is null Index -> name, is primary key, is unique, and a list of its fields.
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Toolsverse ETL Framework
Open source Extract Transform Load engine written in Java
ETL Framework is a standalone Extract Transform Load engine written in Java. It includes executables for all major platforms and can be easily integrated into other applications. Key Features: * embeddable, open source and free * fast and scalable * uses target database features to do transformations and loads * manual and automatic data mapping * data streaming * bulk data loads * data quality features using SQL, JavaScript? and regex * data transformations Requirements *... -
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Hypothetical indexes are simulated index structures created solely in the database catalog (not physically). We have made some server extensions to PostgreSQL and introduced 3 new commands: create/drop hypothetical index and explain hypothetical.
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MRS is a tool to quickly and easily store and index large flat file databanks and in a space efficient manner. It is currently used to index huge bioinformatics databanks but it is not limited to this area.
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Occursions
Fast customizable time series web database for big data like log files
Our goal is to create the world's fastest extendable, non-transactional time series database for big data (you know, for kids)! Log file indexing is our initial focus. For example append only ASCII files produced by libraries like Log4J, or containing FIX messages or JSON objects. Occursions was built by a small team sick of creating hacks to remotely copy and/or grep through tons of large log files. We use it to index around a terabyte of new log data per day. -
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miMas - GUI tool for SQL developers
A UI tool for any database
miMas is an intuitive GUI tool for SQL query development and data browsing. It provides a common set of features across all databases and can be installed on any Operating System which has a Java Runtime available. The tool uses JDBC drivers for connecting to a database. For most popular databases (Oracle, DB2, MySQL, MS SQL Server, Sybase, Cloudscape, PostgreSQL and Firebird), the JDBC driver is already included. For connecting to databases other than these, please refer to the tool's... -
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This open source software benchmarks the queries per second of an Apache Lucene index. It is an Java implementation and uses MultiFieldQueryParser to form a query.
