What is an insert statement?

An insert statement is SQL database command used to add new rows or records into table, fundamental Data Manipulation Language statement in relational databases like MySQL, SQL Server, Oracle, and PostgreSQL, allowing insertion of data into database tables. Syntax is INSERT INTO table_name column list VALUES values, for example INSERT INTO Customers Name, Age VALUES John, 30. Insert statement can insert single row with VALUES clause or multiple rows, or insert data from another table using INSERT INTO SELECT statement. It is used to populate tables with new data, with columns that have NOT NULL constraint requiring values. Insert statement may include handling of primary key and foreign key constraints, and may fail if duplicate key or constraint violation. So insert statement is database command that adds new records to table, essential for creating data, with variations including INSERT INTO, INSERT IGNORE, and INSERT ON DUPLICATE KEY UPDATE for handling duplicates, and is first step in CRUD operations.