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MySQL is a free, widely used SQL engine. It can be used as a fast database as well as a rock-solid DBMS using a modular engine architecture. The purpose of This course is to provide a practical knowledge on using the database from two points of view: Best of all, This course is freely available for everybody to use and share, under the GNU Free Documentation License and the Creative Commons Attribution/Share-Alike License.
OctoSQL is a query tool that allows you to join, analyse and transform data from multiple databases, streaming sources and file formats using SQL.
OctoSQL is a SQL query engine which allows you to write standard SQL queries on data stored in multiple SQL databases, NoSQL databases, streaming sources and files in various formats trying to push down as much of the work as possible to the source databases, not transferring unnecessary data. OctoSQL does that by creating an internal representation of your query and later translating parts of it into the query languages or APIs of the source databases. Whenever a datasource doesn't support a given operation, OctoSQL will execute it in memory, so you don't have to worry about the specifics of the underlying datasources. OctoSQL also includes temporal SQL extensions, to operate ergonomically on streams and respect their event-time (not the current system-time when the records are being processed). With OctoSQL you don't need O(n) client tools or a large data analysis system deployment. Everything's contained in a single binary.
OctoSQL stems from Octopus SQL. Octopus, because octopi have many arms, so they can grasp and manipulate multiple objects, like OctoSQL is able to handle multiple datasources simultaneously.
SQL Explorer aims to make the flow of data between people fast, simple, and confusion-free. It is a Django-based application that you can add to an existing Django site, or use as a standalone business intelligence tool. Quickly write and share SQL queries in a simple, usable SQL editor, preview the results in the browser, share links, download CSV, JSON, or Excel files (and even expose queries as API endpoints, if desired), and keep the information flowing! Comes with support for multiple connections, to many different SQL database types, a schema explorer, query history (e.g. lightweight version control), a basic security model, in-browser pivot tables, and more. SQL Explorer values simplicity, intuitive use, unobtrusiveness, stability, and the principle of least surprise. SQL Explorer is inspired by any number of great query and reporting tools out there. The original idea came from Stack Exchange's Data Explorer , but also owes credit to similar projects like Redash and Blazer_. Sql Explorer is MIT licensed, and pull requests are welcome. A view of a query Viewing all queries Quick access to DB schema info Snapshot query results to S3 & download as csv Features
access to running SQL in production. So if that makes you
nervous (and it should) - you've been warned. Explorer makes an
effort to not allow terrible things to happen, but be careful!
It's recommended you use the EXPLORER_CONNECTION_NAME setting to
connect SQL Explorer to a read-only database role.
the tool. Users passing the EXPLORER_PERMISSION_CHANGE test can
create, edit, delete, and execute queries. Users who do not pass
this test but pass the EXPLORER_PERMISSION_VIEW test can only
execute queries. Other users cannot access any part of
Explorer. Both permission groups are set to is_staff by default
and can be overridden in your settings file.
executed (delete, drop, alter, update etc). This is not
bulletproof and it's recommended that you instead configure a
read-only database role, but when not possible the blacklist
provides reasonable protection.
Sqlite. And, between you and me, it works fine on RedShift as
well.
the Playground area.
.csv snapshot of the query results to S3. Configure the snapshot
frequency via a celery cron task, e.g. for daily at 1am:
'explorer.tasks.snapshot_queries': {
'task': 'explorer.tasks.snapshot_queries',
'schedule': crontab(hour=1, minute=0)
}
of these deps are optional and can be installed with `pip
FreeSQL is an attempt to build a SQL layer for Freenet, so that you can use Freenet as the storage component for SQL-based applications. Implemented (for now) in perl, it strives for total SQL compliance, so that any SQL-based app can be ported to Freenet
H2 is a Java SQL database. In-memory and disk based tables and databases are supported. The database can be embedded or used as a server. Additional features are clustering, encrypted databases, transaction support, fulltext search, JDBC and ODBC API.
HenPlus is a SQL shell that can handle multiple sessions in parallel. The commandline interface with the usual history functions features TAB-completion for commands, tables and columns. Database connect via JDBC.
Lightweight SQL querying tool written in Java. Connects to any JDBC compliant database and will run on any OS with a Java VM. Features: keyword highlighting, result formatting, statement history, multi-window, multiple database connects at one time.
SQL Visual is a new aplication in order to create queries in relational databases (PostgreSQL, MySQL, SQLServer). SQL Visual has a easy interface to conect to DBMS, the user doesn't have to know the lenguage SQL to generate queries from database.
An SQL handler to interface multiple databases data to the OpeNDAP Hyrax (BES) server. Written in C++, it uses unixODBC to query DB and can be dynamically extended to use proprietary ODBC API driver in many easy ways.
DiscDB is a little program that will use a SQL database to catalog all files in your CDs or DVDs, making it easy to find a file without having to switch discs until you find it. Useful for people who save all their downloads or backups to removable media
In the field of SQL learning from a live instructor-led and hand-on training courses would make a big difference as compared with watching a video learning materials. Participants must maintain focus and interact with the trainer for questions and concerns. In Qwikcourse, trainers and participants uses DaDesktop , a cloud desktop environment designed for instructors and students who wish to carry out interactive, hands-on training from distant physical locations.
For now, there are tremendous work opportunities for various IT fields. Most of the courses in SQL is a great source of IT learning with hands-on training and experience which could be a great contribution to your portfolio.
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