/* Sequence */
declare
    object_exists exception;
    pragma exception_init (object_exists , -00955);
begin
  execute immediate 'CREATE SEQUENCE CONFERENCIA_PENDENCIA_SEQ INCREMENT BY 1 MAXVALUE 9999999 MINVALUE 1 CACHE 20';	
  exception when object_exists then null;
end;
/
/* Create */
declare
    object_exists exception;
    pragma exception_init (object_exists , -00955);
begin
  execute immediate
	'CREATE TABLE CONFERENCIA_PENDENCIA (
       CONFERENCIAPENDENCIA_ID NUMBER(7) NOT NULL,
       DESCPENDENCIA        VARCHAR2(50) NULL,
       ACTIVO               NUMBER(1) NULL,
       FECMODIF             DATE NULL,
       USUARIO_ID           NUMBER(7) NULL,
       PRIMARY KEY (CONFERENCIAPENDENCIA_ID)
    )';
 exception when object_exists then null;
end;
/
/* Alter table */
declare 
  column_exists exception;
  pragma exception_init (column_exists , -01430);
begin 
  execute immediate 'ALTER TABLE LOG_CONFERENCIA ADD CONFERENCIAPENDENCIA_ID NUMBER(7) NULL';
  exception when column_exists then null;
end;
/
declare
  dup_val_on_index  exception;
  except_02275  exception;

  pragma exception_init (dup_val_on_index  , -01430);
  pragma exception_init (except_02275  , -02275);
begin
  execute immediate 'ALTER TABLE LOG_CONFERENCIA ADD CONSTRAINT FK_LOGCONFERENCIA_CONFPEN FOREIGN KEY (CONFERENCIAPENDENCIA_ID) REFERENCES CONFERENCIA_PENDENCIA (CONFERENCIAPENDENCIA_ID)';

  exception 
    when dup_val_on_index  then null;
    when except_02275  then null;
end;
/
/* Insert */
declare
  ja_existe  exception;
  pragma exception_init (ja_existe  , -00001);
begin
  execute immediate 'INSERT INTO CONFERENCIA_PENDENCIA VALUES(CONFERENCIA_PENDENCIA_SEQ.NEXTVAL, ''MOVIMENTO SEM BILHETE FISICO'', 1, SYSDATE, 1)';
  exception when ja_existe  then null;
end;