Concept

Insert (SQL)

Summary
An SQL INSERT statement adds one or more records to any single table in a relational database. Basic form Insert statements have the following form: The number of columns and values must be the same. If a column is not specified, the default value for the column is used. The values specified (or implied) by the statement must satisfy all the applicable constraints (such as primary keys, constraints, and constraints). If a syntax error occurs or if any constraints are violated, the new row is not added to the table and an error returned instead. Example: INSERT INTO phone_book (name, number) VALUES ('John Doe', '555-1212'); Shorthand may also be used, taking advantage of the order of the columns when the table was created. It is not required to specify all columns in the table since any other columns will take their default value or remain null: Example for inserting data into 2 columns in the phone_book table and ignoring any other columns which may be after th
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