Does SQLite table need primary key?

Question

You don't need to define a primary key. By default, the table will have a key based on the rowid value. More information can be found in the documentation here. 21 сент. 2014 г.

Is it mandatory to have primary key in table?

Every table can have (but does not have to have) a primary key. The column or columns defined as the primary key ensure uniqueness in the table; no two rows can have the same key. The primary key of one table may also help to identify records in other tables, and be part of the second table's primary key.

Can we create SQL table without primary key?

Should you create a database table without a primary key? No. Every table should have some column (or set of columns) that uniquely identifies one and only one row. It makes it much easier to maintain the data.

Expert · Answer

Every table can have (but does not have to have) a primary key. The column or columns defined as the primary key ensure uniqueness in the table; no two rows can have the same key. The primary key of one table may also help to identify records in other tables, and be part of the second table's primary key.

Expert · Answer

Should you create a database table without a primary key? No. Every table should have some column (or set of columns) that uniquely identifies one and only one row. It makes it much easier to maintain the data.

Does SQLite table need primary key?

Is it mandatory to have primary key in table?

Can we create SQL table without primary key?

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