sequelize

sequelize/sequelize

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB, DB2 and DB2 for IBM i.

30.4K stars 4.3K forks 30.4K watchers TypeScript MIT License
db2-ibm-i feature-rich javascript mariadb microsoft-sql-server mssql mssql-server mysql nodejs oracle-db orm postgresql sequelize snowflakedb sql sqlite transactions typescript
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6 Open Issues Need Help Last updated: Jul 11, 2026

Open Issues Need Help

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mssql dialect always sends string params/literals as NVARCHAR, causing implicit-conversion index scans on VARCHAR columns 3 days ago
status: in discussion dialect: mssql good first issue performance RFC
sequelize/sequelize
30.4K

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB, DB2 and DB2 for IBM i.

TypeScript
#db2-ibm-i#feature-rich#javascript#mariadb#microsoft-sql-server#mssql#mssql-server#mysql#nodejs#oracle-db#orm#postgresql#sequelize#snowflakedb#sql#sqlite#transactions#typescript
Add native UUIDv7 support (v7 branch) 29 days ago
good first issue P4: nice to have
sequelize/sequelize
30.4K

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB, DB2 and DB2 for IBM i.

TypeScript
#db2-ibm-i#feature-rich#javascript#mariadb#microsoft-sql-server#mssql#mssql-server#mysql#nodejs#oracle-db#orm#postgresql#sequelize#snowflakedb#sql#sqlite#transactions#typescript
Allow defining custom ForeignKeyConstraintError messages about 1 month ago
good first issue status: understood P4: nice to have
sequelize/sequelize
30.4K

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB, DB2 and DB2 for IBM i.

TypeScript
#db2-ibm-i#feature-rich#javascript#mariadb#microsoft-sql-server#mssql#mssql-server#mysql#nodejs#oracle-db#orm#postgresql#sequelize#snowflakedb#sql#sqlite#transactions#typescript
Option to auto create foreign key indexes 5 months ago
good first issue status: understood existing workaround
sequelize/sequelize
30.4K

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB, DB2 and DB2 for IBM i.

TypeScript
#db2-ibm-i#feature-rich#javascript#mariadb#microsoft-sql-server#mssql#mssql-server#mysql#nodejs#oracle-db#orm#postgresql#sequelize#snowflakedb#sql#sqlite#transactions#typescript
[Feature] Add findByPks convenience method 6 months ago
type: feature good first issue existing workaround
sequelize/sequelize
30.4K

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB, DB2 and DB2 for IBM i.

TypeScript
#db2-ibm-i#feature-rich#javascript#mariadb#microsoft-sql-server#mssql#mssql-server#mysql#nodejs#oracle-db#orm#postgresql#sequelize#snowflakedb#sql#sqlite#transactions#typescript
bulkInsert should return array 11 months ago
good first issue
sequelize/sequelize
30.4K

Feature-rich ORM for modern Node.js and TypeScript, it supports PostgreSQL (with JSON and JSONB support), MySQL, MariaDB, SQLite, MS SQL Server, Snowflake, Oracle DB, DB2 and DB2 for IBM i.

TypeScript
#db2-ibm-i#feature-rich#javascript#mariadb#microsoft-sql-server#mssql#mssql-server#mysql#nodejs#oracle-db#orm#postgresql#sequelize#snowflakedb#sql#sqlite#transactions#typescript