What is insert ignore into?

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The INSERT IGNORE command keeps the first set of the duplicated records and discards the remaining. The REPLACE command keeps the last set of duplicates and erases out any earlier ones. Another way to enforce uniqueness is to add a UNIQUE index rather than a PRIMARY KEY to a table.

What insert ignore does?

Insert Ignore statement in MySQL has a special feature that ignores the invalid rows whenever we are inserting single or multiple rows into a table. We can understand it with the following explanation, where a table contains a primary key column. The primary key column cannot stores duplicate values into a table.

Is insert ignore good?

If you are just performing batch inserts and don't care if the value is already in the table - as long as it remains unique - then INSERT IGNORE in sensible. As the term suggests, you are happy to ignore anything that isn't inserted.

What is insert or ignore SQLite?

The INSERT OR IGNORE INTO statement ignores the error message. The SELECT statement shows that the last two statements did not modify the fourth row. Since SQLite version 3.7. 11 it is possible to insert multiple rows using one INSERT statement.

How do I ignore insert in SQL query?

The syntax of the INSERT IGNORE statement is as follows: INSERT IGNORE INTO table(column_list) VALUES( value_list), ( value_list), ... Note that the IGNORE clause is an extension of MySQL to the SQL standard.

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