Thanks for the question regarding "connect by ", versi

Table created.
CREATE TABLE ENTITY_TCKT (
ENTITY_UUID VARCHAR2(32),
CURRENT_LIFECYCLE_STATE NUMBER
)
/
To populate these tables and show some stats,..
insert into entity values ('13E7CAA5FDEB42518A798A77A19F70B0','Level1
Entity',NULL);
insert into entity values ('66A6A6EFFA9D46BE82EC8F5CFFAC91B9','Level4
Entity','536FCF7E4A5D457B8C3AECBED878FDBF');
insert into entity values ('DCF6B6366D6449DB95A5AEA6B14F31F7','Level5
Entity','66A6A6EFFA9D46BE82EC8F5CFFAC91B9');
insert into entity values ('E2FD444948714528805EBFFA102511F5','Level5
Entity','CB4E1B74035947B9A5B9B0FE264DF4E7');
insert into entity values ('2E1E0646AC9F4BB9A6E4A747B20B2595','Level2
Entity','13E7CAA5FDEB42518A798A77A19F70B0');
insert into entity values ('54133391FDD54221B11382A20DFC38AA','Level2
Entity','13E7CAA5FDEB42518A798A77A19F70B0');
insert into entity values ('95A5F85D68184DB7A49F9DF7A236F9AF','Level5
Entity','99762DC75A5D42DCBEA6950D7011F130');
insert into entity values ('EAD30C5578BD491991B0D7049CD4F277','Level4
Entity','536FCF7E4A5D457B8C3AECBED878FDBF');
insert into entity values ('536FCF7E4A5D457B8C3AECBED878FDBF','Level3
Entity','54133391FDD54221B11382A20DFC38AA');
insert into entity values ('883FD970DF264B7A9DC0DFBAF225012A','Level4
Entity','536FCF7E4A5D457B8C3AECBED878FDBF');
insert into entity values ('C23E104B5AA044F795A6896B1C0B08E4','Level3
Entity','54133391FDD54221B11382A20DFC38AA');
insert into entity values ('64BA9F3295194A3B955FD446DBB2E7EC','Level4
Entity','C23E104B5AA044F795A6896B1C0B08E4');
insert into entity values ('0FE28D72C40C4D6FBB439A49B0BE6D3F','Level5
Entity','64BA9F3295194A3B955FD446DBB2E7EC');
----------list goes on------------------
Then to generate some random ticket data
DECLARE
l_tckt_ktr NUMBER;
l_entity_ktr NUMBER;
BEGIN
FOR i IN (select entity_uuid from entity)
LOOP
l_entity_ktr := round(dbms_random.value(1,6),0);
DBMS_OUTPUT.PUT_LINE('Processing entity -> '||i.entity_uuid||'
l_entity_ktr = '||l_entity_ktr);
IF l_entity_ktr = 1 THEN
l_tckt_ktr := round(dbms_random.value(1,10),0);
FOR n IN 1 .. l_tckt_ktr
LOOP
insert into entity_tckt values (i.entity_uuid,0);
END LOOP;
ELSIF l_entity_ktr = 3 THEN
l_tckt_ktr := round(dbms_random.value(50,100),0);
FOR n IN 1 .. l_tckt_ktr
LOOP
insert into entity_tckt values (i.entity_uuid,0);
END LOOP;
ELSIF l_entity_ktr = 5 THEN
l_tckt_ktr := round(dbms_random.value(500,1000),0);
FOR n IN 1 .. l_tckt_ktr
LOOP
insert into entity_tckt values (i.entity_uuid,0);
END LOOP;
END IF;
END LOOP;
END;
/
PL/SQL procedure successfully completed.
Now that the tables have data, try two ways to get the query
First the Scalar Subquery