Q2
select
        s_acctbal,
        s_name,
        n_name,
        p_partkey,
        p_mfgr,
        s_address,
        s_phone,
        s_comment
from
        part,
        supplier,
        partsupp,
        nation,
        region
where
        p_partkey = ps_partkey
        and s_suppkey = ps_suppkey
        and p_size = :1
        and p_type like '%:2'
        and s_nationkey = n_nationkey
        and n_regionkey = r_regionkey
        and r_name = ':3'
        and ps_supplycost = (
                select
                        min(ps_supplycost)
                from
                        partsupp,
                        supplier,
                        nation,
                        region
                where
                        p_partkey = ps_partkey
                        and s_suppkey = ps_suppkey
                        and s_nationkey = n_nationkey
                        and n_regionkey = r_regionkey
                        and r_name = ':3'
        )
order by
        s_acctbal desc,
        n_name,
        s_name,
        p_partkey;

Oracle Execution Plan

Operation: table access
Options: FULL
Object_type: TABLE
Other: 
Object_owner: CALUSER01
Search_columns: 
Projection: P_PARTKEY^P_MFGR^P_TYPE^P_SIZE
Object_name: PART
Alias: PART@SEL$1
Extended_information:    FP:P_SIZE=15 AND P_TYPE LIKE '%BRASS'
Access_predicates: 
Filter_predicates: P_SIZE=15&P_TYPE LIKE '%BRASS'
Select_level: SEL$DD8D4BD4
--------------------
Operation: table access
Options: FULL
Object_type: TABLE
Other: 
Object_owner: CALUSER01
Search_columns: 
Projection: S_SUPPKEY^S_NAME^S_ADDRESS^S_NATIONKEY^S_PHONE^S_ACCTBAL^S_COMMENT
Object_name: SUPPLIER
Alias: SUPPLIER@SEL$1
Extended_information: 
Access_predicates: 
Filter_predicates: 
Select_level: SEL$DD8D4BD4
--------------------
Operation: buffer
Options: SORT
Object_type: 
Other: 
Object_owner: 
Search_columns: 
Projection:  P_PARTKEY^P_MFGR^P_TYPE^P_SIZE
Object_name: 
Alias: 
Extended_information: 
Access_predicates: 
Filter_predicates: 
Select_level: 
--------------------
Operation: table access
Options: FULL
Object_type: TABLE
Other: 
Object_owner: CALUSER01
Search_columns: 
Projection: R_REGIONKEY^R_NAME
Object_name: REGION
Alias: REGION@SEL$1
Extended_information:    FP:R_NAME='EUROPE'
Access_predicates: 
Filter_predicates: R_NAME='EUROPE'
Select_level: SEL$DD8D4BD4
--------------------
Operation: merge join
Options: CARTESIAN
Object_type: 
Other: 
Object_owner: 
Search_columns: 
Projection:  S_SUPPKEY^S_NAME^S_ADDRESS^S_NATIONKEY^S_PHONE^S_ACCTBAL^S_COMMENT^P_PARTKEY^P_MFGR^P_TYPE^P_SIZE
Object_name: 
Alias: 
Extended_information: 
Access_predicates: 
Filter_predicates: 
Select_level: 
--------------------
Operation: buffer
Options: SORT
Object_type: 
Other: 
Object_owner: 
Search_columns: 
Projection:  R_REGIONKEY^R_NAME
Object_name: 
Alias: 
Extended_information: 
Access_predicates: 
Filter_predicates: 
Select_level: 
--------------------
Operation: merge join
Options: CARTESIAN
Object_type: 
Other: 
Object_owner: 
Search_columns: 
Projection:  S_SUPPKEY^S_NAME^S_ADDRESS^S_NATIONKEY^S_PHONE^S_ACCTBAL^S_COMMENT^P_PARTKEY^P_MFGR^P_TYPE^P_SIZE^R_REGIONKEY^R_NAME
Object_name: 
Alias: 
Extended_information: 
Access_predicates: 
Filter_predicates: 
Select_level: 
--------------------
Operation: table access
Options: FULL
Object_type: TABLE
Other: 
Object_owner: CALUSER01
Search_columns: 
Projection: N_NATIONKEY^N_NAME^N_REGIONKEY
Object_name: NATION
Alias: NATION@SEL$1
Extended_information: 
Access_predicates: 
Filter_predicates: 
Select_level: SEL$DD8D4BD4
--------------------
Operation: hash join
Options: 
Object_type: 
Other: 
Object_owner: 
Search_columns: 
Projection:  R_REGIONKEY^N_REGIONKEY^S_NATIONKEY^N_NATIONKEY^S_SUPPKEY^S_NAME^S_ADDRESS^R_NAME^S_PHONE^S_ACCTBAL^S_COMMENT^P_PARTKEY^P_MFGR^P_TYPE^P_SIZE^N_NAME
Object_name: 
Alias: 
Extended_information:    AP:N_REGIONKEY=R_REGIONKEY AND S_NATIONKEY=N_NATIONKEY
Access_predicates: N_REGIONKEY=R_REGIONKEY&S_NATIONKEY=N_NATIONKEY
Filter_predicates: 
Select_level: 
--------------------
Operation: table access
Options: FULL
Object_type: TABLE
Other: 
Object_owner: CALUSER01
Search_columns: 
Projection: ROWID^PS_PARTKEY^PS_SUPPKEY^PS_SUPPLYCOST
Object_name: PARTSUPP
Alias: PARTSUPP@SEL$1
Extended_information: 
Access_predicates: 
Filter_predicates: 
Select_level: SEL$DD8D4BD4
--------------------
Operation: hash join
Options: 
Object_type: 
Other: 
Object_owner: 
Search_columns: 
Projection:  S_SUPPKEY^PS_SUPPKEY^P_PARTKEY^PS_PARTKEY^R_REGIONKEY^N_REGIONKEY^S_NATIONKEY^N_NATIONKEY^N_NAME^S_NAME^S_ADDRESS^R_NAME^S_PHONE^S_ACCTBAL^S_COMMENT^P_SIZE^P_MFGR^P_TYPE^ROWID^PS_SUPPLYCOST
Object_name: 
Alias: 
Extended_information:    AP:S_SUPPKEY=PS_SUPPKEY AND P_PARTKEY=PS_PARTKEY
Access_predicates: S_SUPPKEY=PS_SUPPKEY&P_PARTKEY=PS_PARTKEY
Filter_predicates: 
Select_level: 
--------------------
Operation: window
Options: SORT
Object_type: 
Other: 
Object_owner: 
Search_columns: 
Projection:  PS_PARTKEY^S_SUPPKEY^PS_SUPPKEY^P_PARTKEY^PS_SUPPLYCOST^R_REGIONKEY^N_REGIONKEY^S_NATIONKEY^N_NATIONKEY^N_NAME^S_NAME^S_ADDRESS^R_NAME^S_PHONE^S_ACCTBAL^S_COMMENT^P_SIZE^P_MFGR^P_TYPE^ROWID^MIN(PS_SUPPLYCOST) OVER ( PARTITION BY PS_PARTKEY)
Object_name: 
Alias: 
Extended_information: 
Access_predicates: 
Filter_predicates: 
Select_level: SEL$DD8D4BD4
--------------------
Operation: view
Options: 
Object_type: VIEW
Other: 
Object_owner: SYS
Search_columns: 
Projection: S_ACCTBAL^S_NAME^N_NAME^P_PARTKEY^P_MFGR^S_ADDRESS^S_PHONE^S_COMMENT^VW_COL_9
Object_name: 
Alias: VW_WIF_1@SEL$76B8F26C
Extended_information:    FP:VW_COL_9 IS NOT NULL
Access_predicates: 
Filter_predicates: VW_COL_9 IS NOT NULL
Select_level: SEL$DD8D4BD4
--------------------
Operation: sort
Options: ORDER BY
Object_type: 
Other: 
Object_owner: 
Search_columns: 
Projection:  INTERNAL_FUNCTION(S_ACCTBAL)^N_NAME^S_NAME^P_PARTKEY^S_COMMENT^S_ADDRESS^S_PHONE^P_MFGR
Object_name: 
Alias: 
Extended_information: 
Access_predicates: 
Filter_predicates: 
Select_level: SEL$599F6CA1
--------------------
Operation: select statement
Options: 
Object_type: 
Other: 
Object_owner: 
Search_columns: 
Projection: 
Object_name: 
Alias: 
Extended_information: 
Access_predicates: 
Filter_predicates: 
Select_level: 
--------------------