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gem.coop "database" keyword

View the packages on the gem.coop package registry that are tagged with the "database" keyword.

Top 1.1% on gem.coop
rein 5.1.0
Rein adds bunch of methods to your ActiveRecord migrations so you can easily tame your database.
28 versions - Latest release: almost 6 years ago - 853 thousand downloads total - 672 stars on GitHub - 1 maintainer
Top 1.6% on gem.coop
active_record_distinct_on 1.10.0
ActiveRecordDistinctOn adds support for `DISTINCT ON` to ActiveRecord. At the time of this writin...
19 versions - Latest release: 2 months ago - 884 thousand downloads total - 42 stars on GitHub - 2 maintainers
Top 1.8% on gem.coop
duckdb 0.9.2 💰
This module is Ruby binding for DuckDB database engine. You must have the DuckDB engine installed...
65 versions - Latest release: about 2 years ago - 352 thousand downloads total - 233 stars on GitHub - 1 maintainer
Top 0.5% on gem.coop
counter_culture 3.11.4
counter_culture provides turbo-charged counter caches that are kept up-to-date not just on create...
105 versions - Latest release: about 2 months ago - 18.1 million downloads total - 2,092 stars on GitHub - 1 maintainer
Top 3.5% on gem.coop
chrono_model 4.0.0
Give your models as-of date temporal extensions. Built entirely for PostgreSQL >= 9.4
33 versions - Latest release: over 1 year ago - 84 thousand downloads total - 198 stars on GitHub - 3 maintainers
Top 0.8% on gem.coop
airrecord 1.0.12
Airtable client to make Airtable interactions a breeze
24 versions - Latest release: almost 3 years ago - 2.15 million downloads total - 318 stars on GitHub - 3 maintainers
Top 0.4% on gem.coop
scenic 1.9.0 💰
Adds methods to ActiveRecord::Migration to create and manage database views in Rails
21 versions - Latest release: 6 months ago - 37.2 million downloads total - 3,594 stars on GitHub - 2 maintainers
Top 0.6% on gem.coop
ruby-pg-extras 5.6.15
Ruby port of Heroku PG Extras. The goal of this project is to provide a powerful insights into P...
93 versions - Latest release: 12 days ago - 3.55 million downloads total - 170 stars on GitHub - 1 maintainer
Top 0.8% on gem.coop
lol_dba 2.4.0
lol_dba is a small package of rake tasks that scan your application models and displays a list of...
36 versions - Latest release: over 3 years ago - 4.21 million downloads total - 1,599 stars on GitHub - 1 maintainer
Top 0.6% on gem.coop
squasher 0.8.0
Squash your old migrations
25 versions - Latest release: over 1 year ago - 4.07 million downloads total - 1,532 stars on GitHub - 1 maintainer
Top 1.1% on gem.coop
database_consistency 2.1.1 💰
Provide an easy way to check the consistency of the database constraints with the application val...
118 versions - Latest release: 19 days ago - 2.91 million downloads total - 1,154 stars on GitHub - 1 maintainer
Top 0.7% on gem.coop
active_record_doctor 2.0.1
Identify database issues before they hit production.
25 versions - Latest release: 3 months ago - 4.66 million downloads total - 1,902 stars on GitHub - 1 maintainer
Top 0.6% on gem.coop
dbf 5.1.1 💰
A small fast library for reading dBase, xBase, Clipper and FoxPro database files.
104 versions - Latest release: 6 months ago - 4.75 million downloads total - 267 stars on GitHub - 1 maintainer
Top 1.3% on gem.coop
amalgalite 2.0.0
Amalgalite embeds the SQLite database engine as a ruby extension. There is no need to install SQL...
99 versions - Latest release: about 1 month ago - 613 thousand downloads total - 99 stars on GitHub - 1 maintainer
Top 0.1% on gem.coop
pg 1.6.2
Pg is the Ruby interface to the PostgreSQL RDBMS. It works with PostgreSQL 10 and later.
307 versions - Latest release: 4 months ago - 413 million downloads total - 847 stars on GitHub - 3 maintainers
Top 1.3% on gem.coop
capture_migration_sql 1.0.4
Capture the SQL that is executed when running ActiveRecord migrations so that it can be run in in...
4 versions - Latest release: over 1 year ago - 816 thousand downloads total - 18 stars on GitHub - 1 maintainer
Top 1.7% on gem.coop
query_track 0.0.15
Finding time-consuming database queries for ActiveRecord-based Rails Apps
14 versions - Latest release: 4 months ago - 438 thousand downloads total - 305 stars on GitHub - 1 maintainer
Top 1.9% on gem.coop
convergence 1.0.6
DB Schema management tool
34 versions - Latest release: over 3 years ago - 269 thousand downloads total - 40 stars on GitHub - 1 maintainer
reactive_record 0.0.4
Generate ActiveRecord models from a pre-existing Postgres db
3 versions - Latest release: about 12 years ago - 9.21 thousand downloads total - 134 stars on GitHub - 1 maintainer
Top 1.0% on gem.coop
database_validations 1.1.1
ActiveRecord provides validations on app level but it won't guarantee the consistent. In some cas...
35 versions - Latest release: almost 4 years ago - 1.29 million downloads total - 561 stars on GitHub - 2 maintainers
Top 1.4% on gem.coop
seamless_database_pool 1.0.20
Add support for master/slave database database clusters in ActiveRecord to improve performance.
20 versions - Latest release: over 8 years ago - 466 thousand downloads total - 222 stars on GitHub - 1 maintainer
sql_capsule 0.1.1
SQLCapsule is the culmination of many of my thoughts and concerns surrounding ORMs and how we us...
2 versions - Latest release: about 10 years ago - 5.35 thousand downloads total - 27 stars on GitHub - 1 maintainer
Top 0.7% on gem.coop
database_rewinder 1.1.0
A minimalist's tiny and ultra-fast database cleaner for Active Record
37 versions - Latest release: 11 months ago - 6.36 million downloads total - 825 stars on GitHub - 1 maintainer
Top 1.7% on gem.coop
umbrellio-sequel-plugins 0.17.0
A colletion of sequel plugins by Umbrellio
58 versions - Latest release: over 1 year ago - 318 thousand downloads total - 16 stars on GitHub - 2 maintainers
Top 3.0% on gem.coop
full_table_scan_matchers 0.0.1
Matchers for rspec to detect full table scans
1 version - Latest release: over 9 years ago - 112 thousand downloads total - 8 stars on GitHub - 1 maintainer
Top 1.9% on gem.coop
zero_downtime_migrations 0.0.7
Zero downtime migrations with ActiveRecord and PostgreSQL
8 versions - Latest release: about 9 years ago - 1.31 million downloads total - 557 stars on GitHub - 2 maintainers
Top 0.4% on gem.coop
tiny_tds 3.3.0
TinyTDS - A modern, simple and fast FreeTDS library for Ruby using DB-Library. Developed for the ...
206 versions - Latest release: 4 months ago - 14.9 million downloads total - 619 stars on GitHub - 4 maintainers
Top 8.9% on gem.coop
migrer 0.1.3
The polite data migration valet.
6 versions - Latest release: over 11 years ago - 22.3 thousand downloads total - 1 stars on GitHub - 1 maintainer
Top 0.5% on gem.coop
activerecord-sqlserver-adapter 8.1.2
ActiveRecord SQL Server Adapter. SQL Server 2012 and upward.
195 versions - Latest release: about 1 month ago - 6.55 million downloads total - 983 stars on GitHub - 5 maintainers
Top 0.7% on gem.coop
erd 0.8.2
erd engine on Rails
25 versions - Latest release: almost 2 years ago - 2.84 million downloads total - 336 stars on GitHub - 1 maintainer
simplecov-db 0.1.0
SimpleCov DB is formatter for SimpleCov to save coverage data to a database.
1 version - Latest release: almost 2 years ago - 2.16 thousand downloads total - 1 stars on GitHub - 1 maintainer
extralite-bundle 2.8.2 💰
Extra-lightweight SQLite3 wrapper for Ruby with bundled SQLite3
30 versions - Latest release: over 1 year ago - 21.3 thousand downloads total - 259 stars on GitHub - 1 maintainer
Top 2.2% on gem.coop
activerecord-clean-db-structure 0.4.3
Never worry about weird diffs and merge conflicts again
12 versions - Latest release: over 1 year ago - 439 thousand downloads total - 153 stars on GitHub - 2 maintainers
scrub_db 2.24
Scrub your database, api data, web scraping data, and web form submissions based on your custom c...
9 versions - Latest release: over 7 years ago - 15.6 thousand downloads total - 0 stars on GitHub - 1 maintainer
Top 2.3% on gem.coop
sequel-snowflake 2.3.0
Sequel adapter for Snowflake
4 versions - Latest release: about 1 month ago - 180 thousand downloads total - 26 stars on GitHub - 1 maintainer
wordmap 0.3.0
Wordmap is a simple way to lookup data directly from disk, bypassing RAM. It uses pread (no buffe...
3 versions - Latest release: over 2 years ago - 7.03 thousand downloads total - 15 stars on GitHub - 1 maintainer
Top 5.1% on gem.coop
relaxo 1.8.0 💰
Relaxo is versioned document database built on top of git.
21 versions - Latest release: 12 months ago - 49.1 thousand downloads total - 181 stars on GitHub - 1 maintainer
local_database 0.1.2
Uses database.local.yml instead of database.yml in test and development environment
2 versions - Latest release: almost 9 years ago - 4.68 thousand downloads total - 0 stars on GitHub - 1 maintainer
seedster 0.1.7
Easily load real application content for local development
4 versions - Latest release: over 6 years ago - 9.16 thousand downloads total - 0 stars on GitHub - 1 maintainer
dbwatcher 1.1.6
DB Watcher helps developers debug Rails applications by tracking all database changes
9 versions - Latest release: 5 months ago - 2.36 thousand downloads total - 19 stars on GitHub - 1 maintainer
Top 4.7% on gem.coop
masking 1.1.2 💰
Command line tool for anonymizing database records by parsing a SQL dump file and build new SQL d...
9 versions - Latest release: over 2 years ago - 55.1 thousand downloads total - 122 stars on GitHub - 1 maintainer
Top 9.2% on gem.coop
pg_online_schema_change 0.9.10
Easy CLI tool for making non-blocking zero downtime schema changes in PostgreSQL
25 versions - Latest release: about 1 year ago - 23 thousand downloads total - 592 stars on GitHub - 1 maintainer
hotsheet 0.2.2
Manage your Rails database through a spreadsheet-like interface.
5 versions - Latest release: 6 months ago - 1.82 thousand downloads total - 124 stars on GitHub - 1 maintainer
vandal 0.0.2
ActiveRecord force destroy records with all related associations
3 versions - Latest release: over 6 years ago - 6.72 thousand downloads total - 7 stars on GitHub - 1 maintainer
Top 6.9% on gem.coop
melodiest 2.0.1 💰
Melodiest provides generator and contains minimal configuration to develop application with Sinatra
11 versions - Latest release: almost 10 years ago - 31.2 thousand downloads total - 21 stars on GitHub - 1 maintainer
Top 7.4% on gem.coop
pgdice 2.0.0
Postgres table partitioning with a Ruby API built on top of https://github.com/ankane/pgslice
14 versions - Latest release: almost 4 years ago - 29.3 thousand downloads total - 11 stars on GitHub - 1 maintainer
Top 5.2% on gem.coop
yeet_dba 1.0.2
This scan every ActiveRecord model looking for relationships ('has_many', 'belongs_to', etc.) and...
6 versions - Latest release: almost 3 years ago - 46.2 thousand downloads total - 54 stars on GitHub - 1 maintainer
Top 3.7% on gem.coop
poly_belongs_to 1.0.1
Uniform Omni-Relational ActiveRecord Tools. Includes polymorphic and any belongs_to relation.
24 versions - Latest release: about 7 years ago - 75.6 thousand downloads total - 46 stars on GitHub - 1 maintainer
run_database_backup 0.1.0
A RubyGem to backup different types of databases
1 version - Latest release: almost 3 years ago - 746 downloads total - 1 stars on GitHub - 1 maintainer
Top 5.5% on gem.coop
localtower 2.0.1
Manage your models, relations, and migrations from a simple UI.
23 versions - Latest release: about 1 year ago - 43.2 thousand downloads total - 421 stars on GitHub - 1 maintainer
ignored_columns_tasks 0.1.1
Rails tasks to create migrations to remove ignored columns and output dropped columns that are st...
3 versions - Latest release: over 2 years ago - 2.93 thousand downloads total - 0 stars on GitHub - 1 maintainer
Top 2.6% on gem.coop
db_lock 0.9.1
Obtain manual db locks to guard blocks of code from parallel execution.Supports mysql, postgres a...
14 versions - Latest release: about 3 years ago - 140 thousand downloads total - 5 stars on GitHub - 1 maintainer
sequel-connection_guard 0.1.0
Provides an abstraction for working with unreliable databases safely.
1 version - Latest release: over 6 years ago - 3.06 thousand downloads total - 4 stars on GitHub - 2 maintainers
wisconsin-benchmark 0.1.0
Scalable Wisconsin Benchmark dataset generator for Arrow/Parquet.
1 version - Latest release: almost 3 years ago - 1.01 thousand downloads total - 7 stars on GitHub - 1 maintainer
midnight-mongoid 0.0.2
This gem provides the integration between Midnight::BusinessLogic and the ODM officially supporte...
2 versions - Latest release: over 6 years ago - 4.77 thousand downloads total - 0 stars on GitHub - 1 maintainer
activerecord-crate-adapter 0.0.4
ActiveRecord adapter for Crate, the distributed database for Docker.
4 versions - Latest release: almost 11 years ago - 16.2 thousand downloads total - 26 stars on GitHub - 4 maintainers
Top 4.0% on gem.coop
libcouchbase 1.3.2
A wrapper around libcouchbase for Ruby
31 versions - Latest release: over 5 years ago - 66.5 thousand downloads total - 11 stars on GitHub - 2 maintainers
Top 8.9% on gem.coop
rowdb 0.6.4
A local JSON database using Rudash for easy Hash traversal.
15 versions - Latest release: almost 5 years ago - 22.6 thousand downloads total - 15 stars on GitHub - 1 maintainer
Top 7.6% on gem.coop
arangorb 2.0.1
Ruby driver for ArangoDB's HTTP API
9 versions - Latest release: over 6 years ago - 27.8 thousand downloads total - 40 stars on GitHub - 1 maintainer
sequel-combine 1.0.2
The Sequel extension which allow you to select object with many nested descendants
3 versions - Latest release: almost 8 years ago - 16.7 thousand downloads total - 28 stars on GitHub - 2 maintainers
Top 2.7% on gem.coop
ronin 2.1.1 💰
Ronin is a free and Open Source Ruby toolkit for security research and development. Ronin contain...
48 versions - Latest release: 11 months ago - 130 thousand downloads total - 739 stars on GitHub - 1 maintainer
Top 3.2% on gem.coop
ridgepoler-rails 1.1.6
Provides integration between ridgepole and rails 5 newer
9 versions - Latest release: about 2 years ago - 96.3 thousand downloads total - 12 stars on GitHub - 1 maintainer
Top 4.4% on gem.coop
db 0.14.0 💰
A low level database access gem.
15 versions - Latest release: 3 months ago - 59.6 thousand downloads total - 59 stars on GitHub - 1 maintainer
attr_masker 0.3.1
It is desired to mask certain attributes of certain models by modifying the database.
6 versions - Latest release: almost 5 years ago - 15.5 thousand downloads total - 17 stars on GitHub - 2 maintainers
Top 2.8% on gem.coop
evil-seed 0.7.0
This gem allows you to easily dump and transform subset of your ActiveRecord models and their...
10 versions - Latest release: 11 months ago - 136 thousand downloads total - 545 stars on GitHub - 2 maintainers
Top 8.3% on gem.coop
ronin-db 0.2.1 💰
ronin-db is a database library for managing and querying security data. ronin-db provides common ...
19 versions - Latest release: 11 months ago - 18.6 thousand downloads total - 17 stars on GitHub - 1 maintainer
simple_query 0.5.0
SimpleQuery provides a flexible and performant way to construct complex database queries in Ruby ...
7 versions - Latest release: 4 months ago - 2.15 thousand downloads total - 7 stars on GitHub - 1 maintainer
rack-request-object-logger 4.0.0
The project is a Rack middleware to automatically log a HTTP request to a custom object.
4 versions - Latest release: over 1 year ago - 7.42 thousand downloads total - 1 stars on GitHub - 1 maintainer
Top 5.0% on gem.coop
crate_ruby 0.2.0
A Ruby interface for Crate.IO. Put your data to work. Simply.
10 versions - Latest release: over 7 years ago - 51 thousand downloads total - 30 stars on GitHub - 4 maintainers
rdf-lmdb 0.3.6
This module implements RDF::Repository on top of LMDB, a fast and robust key-value store.
7 versions - Latest release: 7 months ago - 3.93 thousand downloads total - 17 stars on GitHub - 1 maintainer
ead 0.4.6
The compiler updates/creates models and associations, used in a Ruby on Rails project, defined by...
11 versions - Latest release: over 2 years ago - 13.8 thousand downloads total - 3 stars on GitHub - 1 maintainer
taupe 0.6.4
Access to your database and cache backends easily in ruby
5 versions - Latest release: about 11 years ago - 13.2 thousand downloads total - 0 stars on GitHub - 1 maintainer
systematize 0.1.0
Systematize will order your data and struture migrations so you don't have to think which one to ...
3 versions - Latest release: almost 9 years ago - 6.61 thousand downloads total - 11 stars on GitHub - 1 maintainer
activerecord-ulid 0.1.0
Add ULID support to ActiveRecord
1 version - Latest release: almost 2 years ago - 3.71 thousand downloads total - 4 stars on GitHub - 1 maintainer
eventql 0.0.3
EventQL ruby driver
3 versions - Latest release: about 9 years ago - 7.65 thousand downloads total - 1,178 stars on GitHub - 1 maintainer
Top 4.3% on gem.coop
mass_insert 1.0.0
This gem aims to provide an easy and faster way to do single database insertions in Rails.
17 versions - Latest release: over 4 years ago - 60.2 thousand downloads total - 11 stars on GitHub - 1 maintainer
deep_health_check 0.0.4
Provides a health check API endpoint for rack apps
4 versions - Latest release: about 4 years ago - 8.31 thousand downloads total - 6 stars on GitHub - 1 maintainer
activerecord-rack 1.0.0
Provides connection management for Rack applications using ActiveRecord.
1 version - Latest release: about 9 years ago - 25.7 thousand downloads total - 13 stars on GitHub - 1 maintainer
activeadmin-sqlpage 0.2.1
Add page to your ActiveAdmin panel that allow execute raw SQL requests and show result in table
3 versions - Latest release: over 9 years ago - 14.6 thousand downloads total - 1 stars on GitHub - 1 maintainer
Top 7.5% on gem.coop
martilla 0.4.0
Easy to configure backup tool for simple everyday use
15 versions - Latest release: about 6 years ago - 28.4 thousand downloads total - 10 stars on GitHub - 1 maintainer
Top 6.5% on gem.coop
crm_formatter 2.65
CrmFormatter is perfect for curating high-volume enterprise-scale web scraping, and integrates we...
18 versions - Latest release: over 7 years ago - 33.7 thousand downloads total - 0 stars on GitHub - 1 maintainer
Top 4.5% on gem.coop
hoardable 0.19.3
Rails model versioning with the power of uni-temporal inherited tables
30 versions - Latest release: about 2 months ago - 62.2 thousand downloads total - 53 stars on GitHub - 1 maintainer
ensql 0.6.5
Escape your ORM and embrace the power and simplicity of writing plain SQL again.
6 versions - Latest release: almost 5 years ago - 12.3 thousand downloads total - 9 stars on GitHub - 1 maintainer
pocketdb 1.0.6
Pocket Database is a lightweight tool that utilizes Telegraph API as a database. It is limitless,...
6 versions - Latest release: 8 months ago - 1.55 thousand downloads total - 3 stars on GitHub - 1 maintainer
titanic-db 1.0.0
Easily sync remote postgres databases with SCP in Rails
10 versions - Latest release: over 8 years ago - 18.5 thousand downloads total - 0 stars on GitHub - 1 maintainer
firebase-ruby 0.3.1
A pure Ruby server-side library for Firebase Realtime Database with only one external dependency:...
5 versions - Latest release: over 4 years ago - 11.6 thousand downloads total - 8 stars on GitHub - 1 maintainer
yeet_db 0.1.1
This scan every ActiveRecord model looking for relationships ('has_many', 'belongs_to', etc.) and...
2 versions - Latest release: almost 7 years ago - 3.67 thousand downloads total - 54 stars on GitHub - 1 maintainer
rudisco 1.0.2
Rubygems sqlite3 database (includes information about ~ 126000 gems). Table gems consist of next ...
3 versions - Latest release: almost 9 years ago - 8.6 thousand downloads total - 17 stars on GitHub - 1 maintainer
huqua 2.0.1
A simple tool for checking postgresql database in development without access to rails console
11 versions - Latest release: over 6 years ago - 17.1 thousand downloads total - 36 stars on GitHub - 1 maintainer
Top 5.5% on gem.coop
yavdb 0.7.0 💰
Yet Another Vulnerability Database The Free and Open Source vulnerability database.
24 versions - Latest release: almost 5 years ago - 43 thousand downloads total - 16 stars on GitHub - 1 maintainer
fx-sqlserver-adapter 0.0.3
Adds sqlserver adapter to Fx gem to enable database migrations and schema to work with fu...
3 versions - Latest release: about 4 years ago - 5.2 thousand downloads total - 2 stars on GitHub - 1 maintainer
dbviewer 0.9.6
DBViewer is a mountable Rails engine that provides a simple interface to view database tables and...
57 versions - Latest release: 6 months ago - 12.1 thousand downloads total - 11 stars on GitHub - 1 maintainer
Top 7.5% on gem.coop
pg_backup 0.4.0
Create, restore, download and upload postgres dumps locally and on remote servers using capistran...
10 versions - Latest release: almost 9 years ago - 28.1 thousand downloads total - 6 stars on GitHub - 1 maintainer
activerecord-overflow_signalizer 2.0.3
Signalize when some primary key overflow soon.
7 versions - Latest release: over 8 years ago - 17.4 thousand downloads total - 4 stars on GitHub - 1 maintainer
Top 3.9% on gem.coop
fauna 3.0.0
Ruby driver for FaunaDB.
24 versions - Latest release: almost 8 years ago - 69.8 thousand downloads total - 37 stars on GitHub - 4 maintainers
activemodel-embedding 0.3.1
An ActiveModel extension to model your semi-structured data using embedded associations
4 versions - Latest release: about 4 years ago - 7.44 thousand downloads total - 9 stars on GitHub - 1 maintainer
active-orient 0.80
Persistent ORM for OrientDB(V.3), based on ActiveModel
8 versions - Latest release: about 5 years ago - 24.5 thousand downloads total - 40 stars on GitHub - 1 maintainer
activerecord-postgis 0.5.1
PostGIS Type support for ActiveRecord
5 versions - Latest release: about 2 months ago - 3.81 thousand downloads total - 16 stars on GitHub - 1 maintainer
dynamic-records-meritfront 3.1.34
Adds better functionality for writing raw sql. Adds hashed global id reference string for databas...
27 versions - Latest release: over 1 year ago - 16.7 thousand downloads total - 7 stars on GitHub - 1 maintainer
Top 3.7% on gem.coop
relaxo-model 0.19.0 💰
A model layer for the relaxo document database.
36 versions - Latest release: over 5 years ago - 76.4 thousand downloads total - 21 stars on GitHub - 1 maintainer
Related Keywords
ruby 89 rails 59 activerecord 40 sql 24 postgresql 16 postgres 15 gem 14 ruby-gem 13 ruby-on-rails 12 mysql 11 hacktoberfest 10 orm 7 sqlite 7 migrations 7 sql-server 6 sequel 6 performance 6 tinytds 5 freetds 5 cli 5 database-migrations 5 schema 5 testing 4 database-schema 4 rubygems 4 json 3 sqlite3 3 replication 3 database-management 3 analytics 3 sharding 3 curation 3 adam-john-booth 3 rails-gem 3 adam-booth 3 4rlm 3 nosql 3 activerecord-migrations 3 middleware 3 library 3 rack 3 infosec 3 security 3 web-application 2 developer-tools 2 debugging 2 dotnet 2 seeds 2 migration-tool 2 transactional 2 relaxo 2 backup 2 mongodb 2 distributed-storage 2 csv 2 distributed-sql 2 formatter 2 distributed-database 2 distributed 2 cpp11 2 snowflake 2 migration 2 web 2 sinatra 2 constraints 2 puma 2 generators 2 generator 2 gems 2 boilerplate 2 application-boilerplate 2 api 2 dependencies 2 query 2 postgresql-database 2 arel 2 timeseries 2 streaming 2 visualization 2 mpp 2 eventql 2 counter-cache 2 sql-database 2 engine 2 optimization 2 erd 2 adapter 2 couchbase 2 libcouchbase 2 tree 2 embedded-database 2 rubygem 2 dataset 2 embedded-databases-wrapper 2 client 2 rdbms 2 activerecord-models 2 development-tools 2 query-optimization 2 cpp 2