INSERT INTO
ModificationAdds new rows to a table. Can insert single or multiple rows at once.
Syntax
INSERT INTO table (col1, col2) VALUES (val1, val2)
Example
INSERT INTO users (name, email, role)
VALUES ('Alice', '[email protected]', 'admin');About SQL INSERT INTO
The INSERT INTO keyword belongs to the Modification category of SQL statements. Adds new rows to a table. Can insert single or multiple rows at once. Understanding this command is essential for any developer working with relational databases like PostgreSQL, MySQL, SQLite, or SQL Server.
SQL (Structured Query Language) is the standard language for managing and querying relational databases. The INSERT INTO statement is supported across all major database systems, though specific syntax may vary slightly between PostgreSQL, MySQL, MariaDB, Oracle, SQL Server, and SQLite. Always consult your database's documentation for vendor-specific features and limitations.
Best practices for using INSERT INTO: always test queries on a development database before running them in production, use parameterized queries to prevent SQL injection, and leverage EXPLAIN to understand query performance. For complex queries, consider using CTEs (Common Table Expressions) to improve readability and maintainability.