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/*
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* db_version -- table to store the version history of this database
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*/
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CREATE TABLE db_version (
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db_version_id NUMBER(20), -- the identifier for the version
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version VARCHAR(250), -- the version number
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status NUMBER(20), -- status of the version
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date_created DATE, -- the datetime on which the version was created
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CONSTRAINT db_version_pk PRIMARY KEY (db_version_id)
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);
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CREATE SEQUENCE db_version_id_seq;
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CREATE TRIGGER db_version_before_insert
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BEFORE INSERT ON db_version FOR EACH ROW
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BEGIN
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SELECT db_version_id_seq.nextval
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INTO :new.db_version_id
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FROM dual;
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END;
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/
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INSERT INTO db_version (version, status, date_created)
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VALUES ('1.8.0', 1, CURRENT_DATE);
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