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SQLAlchemy offers tools for database schema generation, querying, and object-relational mapping. Key features include: A comprehensive embedded domain-specific language for SQL in Python called "SQLAlchemy Core" that provides means to construct and execute SQL queries. A powerful ORM that allows the mapping of Python classes to database tables.
XtraDB – storage engine for the MariaDB and Percona Server databases, and is intended as a drop-in replacement to InnoDB, which is one of the default engines available on the MySQL database. Comparison of MySQL database engines – comparison between the available database engines for the MySQL database management system (DBMS). A database ...
MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) [5] is an open-source relational database management system (RDBMS). [5] [6] Its name is a combination of "My", the name of co-founder Michael Widenius's daughter My, [7] and "SQL", the acronym for Structured Query Language.
The new versions add support for new language features in MySQL 8.0, such as common-table expressions and roles. There's also support for invisible indexes and persisting of global system variables. The new default authentication plugin caching_sha2_password in MySQL 8.0 is now supported by Workbench, so resetting user accounts to other ...
Browser based - executes on a computer server and is accessed via a network using a web browser; desktop - executes on a personal computer; Create/alter table: Yes - can create table, alter its definition and data, and add new rows; Some - can only create/alter table definition, not data; Browse table: Yes - can browse table definition and data
The Embedded MySQL Server Library provides most of the features of regular MySQL as a linkable library that can be run in the context of a client process. After initialization, clients can use the same C API calls as when talking to a separate MySQL server but with less communication overhead and with no need for a separate database process.
This database-as-a-service offering from MariaDB is a managed cloud service on Google Cloud Platform. SkySQL is a hybrid database offering that includes a column family store, object store, distributed SQL database with both a transactional and analytical query engine. The combination allows developers to use a single database for multiple use ...
A foreign key is a set of attributes in a table that refers to the primary key of another table, linking these two tables. In the context of relational databases, a foreign key is subject to an inclusion dependency constraint that the tuples consisting of the foreign key attributes in one relation, R, must also exist in some other (not necessarily distinct) relation, S; furthermore that those ...