Oracel: How to create Sequence & Trigger

Following the syntaxes to create Sequence & Triggers

 

To Create Sequence:

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CREATE SEQUENCE "SchemaName"."Table1_LOG_SEQ" MINVALUE 1 MAXVALUE 9999999999999999999999999999 INCREMENT BY 1 START WITH 1

 

 

To Create Trigger:

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CREATE TRIGGER SchemaName.Table1_LOG_TRIGGER

BEFORE INSERT ON SchemaName.Table1_LOG

FOR EACH ROW

BEGIN

SELECT Table_LOG_SEQ.NEXTVAL INTO :NEW.ID FROM DUAL;

END;