Oracle does not have an automatically growing data type

Source: Internet
Author: User
Tags insert table name
oracle| Data | Data type Oracle does not automatically grow the data type, need to establish an automatic growth of the serial number, insert the record when the serial number of the next
Value is assigned to this field.

The name of the CREATE SEQUENCE serial number (preferably the table name + serial number tag) INCREMENT by 1 START with 1
MAXVALUE 99999 CYCLE NoCache;
The maximum value is determined by the length of the field, and if the defined automatically-growing serial number (6), the maximum is 999999
Insert statement inserts this field value as: The name of the serial number. Nextval


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