SQL Server 2008 RTM and SP1, SF100 parallel plans
These execution plans are with ALTER DATABASE tpch SET DATE_CORRELATION_OPTIMIZATION ON.
/* TPC_H Query 1 - Pricing Summary Report */
SELECT
L_RETURNFLAG, L_LINESTATUS,
SUM(L_QUANTITY)
AS SUM_QTY,
 SUM(L_EXTENDEDPRICE)
AS SUM_BASE_PRICE,
SUM(L_EXTENDEDPRICE*(1-L_DISCOUNT))
AS SUM_DISC_PRICE,
 SUM(L_EXTENDEDPRICE*(1-L_DISCOUNT)*(1+L_TAX))
AS SUM_CHARGE,
AVG(L_QUANTITY)
AS AVG_QTY,
 AVG(L_EXTENDEDPRICE)
AS AVG_PRICE,
AVG(L_DISCOUNT)
AS AVG_DISC,
COUNT(*)
AS COUNT_ORDER
FROM LINEITEM
WHERE L_SHIPDATE <=
dateadd(dd,
-90,
cast('1998-12-01'
as date))
GROUP BY L_RETURNFLAG, L_LINESTATUS
ORDER BY L_RETURNFLAG,L_LINESTATUS

/* TPC_H Query 2 - Minimum Cost Supplier */
SELECT TOP 100 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 = 15
AND
P_TYPE LIKE '%%BRASS'
AND S_NATIONKEY = N_NATIONKEY
AND N_REGIONKEY = R_REGIONKEY
AND
R_NAME = 'EUROPE' 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 =
'EUROPE')
ORDER BY
S_ACCTBAL DESC,
N_NAME, S_NAME, P_PARTKEY

/* TPC_H Query 3 - Shipping Priority */
SELECT TOP 10 L_ORDERKEY,
SUM(L_EXTENDEDPRICE*(1-L_DISCOUNT))
AS REVENUE,
O_ORDERDATE, O_SHIPPRIORITY
FROM CUSTOMER,
ORDERS, LINEITEM
WHERE C_MKTSEGMENT = 'BUILDING'
AND C_CUSTKEY =
O_CUSTKEY AND
L_ORDERKEY = O_ORDERKEY AND
O_ORDERDATE < '1995-03-15'
AND L_SHIPDATE > '1995-03-15'
GROUP BY L_ORDERKEY,
O_ORDERDATE, O_SHIPPRIORITY
ORDER BY REVENUE DESC, O_ORDERDATE
In the TPC-H benchmark, the maximum difference between O_ORDERDATE and SHIPDATE is 121 days, so technically for query 3 we could have appended the additional SARG below.
AND L_SHIPDATE <= dateadd(dd, 122, cast('1995-03-15' as date)
Below is TPC-H Query 3, the top plan points to the database without date correlation. The second plan points to a database with correlation enabled.

/* TPC_H Query 4 - Order Priority Checking */
SELECT O_ORDERPRIORITY,
COUNT(*) AS ORDER_COUNT
FROM ORDERS
WHERE O_ORDERDATE >= '1993-07-01'
AND O_ORDERDATE <
dateadd(mm,3,
cast('1993-07-01'
as date))
AND EXISTS
(SELECT *
FROM LINEITEM
WHERE L_ORDERKEY = O_ORDERKEY
AND L_COMMITDATE < L_RECEIPTDATE)
GROUP BY O_ORDERPRIORITY
ORDER BY O_ORDERPRIORITY
Below is TPC-H Query 4, the top plan points to the database without date correlation. The second plan points to a database with correlation enabled. Notice the execution plan changes from a scan on LINEITEM to a seek

/* TPC_H Query 5 - Local Supplier Volume */
SELECT N_NAME,
SUM(L_EXTENDEDPRICE*(1-L_DISCOUNT))
AS REVENUE
FROM CUSTOMER, ORDERS,
LINEITEM, SUPPLIER,
NATION, REGION
WHERE C_CUSTKEY = O_CUSTKEY
AND L_ORDERKEY = O_ORDERKEY
AND L_SUPPKEY = S_SUPPKEY
AND C_NATIONKEY = S_NATIONKEY
AND S_NATIONKEY = N_NATIONKEY
AND N_REGIONKEY = R_REGIONKEY
AND R_NAME = 'ASIA'
AND O_ORDERDATE >= '1994-01-01'
AND O_ORDERDATE <
DATEADD(YY, 1,
cast('1994-01-01'
as date))
GROUP BY N_NAME
ORDER BY REVENUE DESC
Below is TPC-H Query 5, the top plan points to the database without date correlation. The second plan points to a database with correlation enabled. Notice the execution plan changes from a scan on LINEITEM to a seek

/* TPC_H Query 6 - Forecasting Revenue Change */
SELECT
SUM(L_EXTENDEDPRICE*L_DISCOUNT)
AS REVENUE
FROM LINEITEM
WHERE L_SHIPDATE >= '1994-01-01'
AND L_SHIPDATE <
dateadd(yy,
1, cast('1994-01-01'
as date))
AND L_DISCOUNT
BETWEEN .06 - 0.01
AND .06 + 0.01
AND L_QUANTITY < 24

/* TPC_H Query 7 - Volume Shipping */
SELECT SUPP_NATION,
CUST_NATION, L_YEAR,
SUM(VOLUME)
AS REVENUE
FROM
( SELECT
N1.N_NAME AS SUPP_NATION,
N2.N_NAME AS CUST_NATION,
datepart(yy, L_SHIPDATE)
AS L_YEAR,
 L_EXTENDEDPRICE*(1-L_DISCOUNT)
AS VOLUME
 FROM SUPPLIER,
LINEITEM, ORDERS,
CUSTOMER, NATION N1, NATION N2
 WHERE S_SUPPKEY = L_SUPPKEY
AND O_ORDERKEY = L_ORDERKEY
AND C_CUSTKEY = O_CUSTKEY
 AND S_NATIONKEY = N1.N_NATIONKEY
AND C_NATIONKEY = N2.N_NATIONKEY
AND
 ((N1.N_NAME = 'FRANCE'
AND N2.N_NAME = 'GERMANY')
OR
 (N1.N_NAME = 'GERMANY'
AND N2.N_NAME = 'FRANCE'))
AND
 L_SHIPDATE BETWEEN
'1995-01-01' AND
'1996-12-31' )
AS SHIPPING
GROUP BY SUPP_NATION,
CUST_NATION, L_YEAR
ORDER BY SUPP_NATION,
CUST_NATION, L_YEAR

/* TPC_H Query 8 - National Market Share */
SELECT O_YEAR,
SUM(CASE
WHEN NATION = 'BRAZIL'
THEN VOLUME ELSE 0
END)/SUM(VOLUME)
AS MKT_SHARE
FROM (SELECT
datepart(yy,O_ORDERDATE)
AS O_YEAR,
L_EXTENDEDPRICE*(1-L_DISCOUNT)
AS VOLUME,
N2.N_NAME AS NATION
 FROM PART, SUPPLIER,
LINEITEM, ORDERS, CUSTOMER,
NATION N1, NATION N2, REGION
 WHERE P_PARTKEY = L_PARTKEY AND
S_SUPPKEY = L_SUPPKEY AND
L_ORDERKEY = O_ORDERKEY
 AND O_CUSTKEY = C_CUSTKEY AND
C_NATIONKEY = N1.N_NATIONKEY
AND
 N1.N_REGIONKEY =
R_REGIONKEY AND R_NAME =
'AMERICA' AND
S_NATIONKEY = N2.N_NATIONKEY
 AND O_ORDERDATE BETWEEN
'1995-01-01' AND '1996-12-31'
AND P_TYPE= 'ECONOMY ANODIZED STEEL')
AS ALL_NATIONS
GROUP BY O_YEAR
ORDER BY O_YEAR


/* TPC_H Query 9 - Product Type Profit Measure */
SELECT NATION, O_YEAR,
SUM(AMOUNT)
AS SUM_PROFIT
FROM
(SELECT
N_NAME AS NATION,
datepart(yy,
O_ORDERDATE) AS O_YEAR,
 L_EXTENDEDPRICE*(1-L_DISCOUNT)-PS_SUPPLYCOST*L_QUANTITY
AS AMOUNT
 FROM PART, SUPPLIER,
LINEITEM, PARTSUPP,
ORDERS, NATION
 WHERE S_SUPPKEY = L_SUPPKEY AND
PS_SUPPKEY= L_SUPPKEY AND
PS_PARTKEY = L_PARTKEY AND
 P_PARTKEY= L_PARTKEY
AND O_ORDERKEY = L_ORDERKEY
AND S_NATIONKEY = N_NATIONKEY
AND
 P_NAME LIKE '%%green%%')
AS PROFIT
GROUP BY NATION, O_YEAR
ORDER BY NATION, O_YEAR
DESC


/* TPC_H Query 10 - Returned Item Reporting */
SELECT TOP 20 C_CUSTKEY,
C_NAME,
SUM(L_EXTENDEDPRICE*(1-L_DISCOUNT))
AS REVENUE, C_ACCTBAL,
N_NAME, C_ADDRESS, C_PHONE, C_COMMENT
FROM CUSTOMER, ORDERS,
LINEITEM, NATION
WHERE C_CUSTKEY = O_CUSTKEY AND
L_ORDERKEY = O_ORDERKEY AND
O_ORDERDATE>= '1993-10-01' AND
O_ORDERDATE <
dateadd(mm, 3,
cast('1993-10-01'
as date))
AND
L_RETURNFLAG = 'R'
AND C_NATIONKEY = N_NATIONKEY
GROUP BY C_CUSTKEY,
C_NAME, C_ACCTBAL,
C_PHONE, N_NAME,
C_ADDRESS, C_COMMENT
ORDER BY REVENUE DESC

/* TPC_H Query 11 - Important Stock Identification */
SELECT PS_PARTKEY,
SUM(PS_SUPPLYCOST*PS_AVAILQTY)
AS VALUE
FROM PARTSUPP, SUPPLIER, NATION
WHERE PS_SUPPKEY
= S_SUPPKEY AND
S_NATIONKEY = N_NATIONKEY AND
N_NAME = 'GERMANY'
GROUP BY PS_PARTKEY
HAVING
SUM(PS_SUPPLYCOST*PS_AVAILQTY)
>
(SELECT
SUM(PS_SUPPLYCOST*PS_AVAILQTY) * 0.0001000000
 FROM PARTSUPP, SUPPLIER, NATION
 WHERE PS_SUPPKEY = S_SUPPKEY
AND S_NATIONKEY = N_NATIONKEY
AND N_NAME =
'GERMANY')
ORDER BY VALUE DESC

/* TPC_H Query 12 - Shipping Modes and Order Priority */
SELECT L_SHIPMODE,
SUM(CASE
WHEN O_ORDERPRIORITY = '1-URGENT'
OR O_ORDERPRIORITY =
'2-HIGH' THEN 1 ELSE 0
END)
AS HIGH_LINE_COUNT,
SUM(CASE
WHEN O_ORDERPRIORITY <> '1-URGENT'
AND O_ORDERPRIORITY <> '2-HIGH'
THEN 1 ELSE 0 END
) AS LOW_LINE_COUNT
FROM ORDERS, LINEITEM
WHERE O_ORDERKEY = L_ORDERKEY
AND L_SHIPMODE IN
('MAIL','SHIP')
AND L_COMMITDATE < L_RECEIPTDATE
AND L_SHIPDATE < L_COMMITDATE
AND L_RECEIPTDATE >= '1994-01-01'
AND L_RECEIPTDATE <
dateadd(mm, 1,
cast('1995-09-01'
as date))
GROUP BY L_SHIPMODE
ORDER BY L_SHIPMODE

/* TPC_H Query 13 - Customer Distribution */
SELECT C_COUNT,
COUNT(*) AS CUSTDIST
FROM (SELECT
C_CUSTKEY,
COUNT(O_ORDERKEY)
FROM CUSTOMER
left outer join ORDERS on
C_CUSTKEY = O_CUSTKEY
AND O_COMMENT not like
'%%special%%requests%%'
GROUP BY C_CUSTKEY)
AS C_ORDERS
(C_CUSTKEY, C_COUNT)
GROUP BY C_COUNT
ORDER BY CUSTDIST DESC,
C_COUNT DESC

/* TPC_H Query 14 - Promotion Effect */
SELECT 100.00*
SUM(CASE
WHEN P_TYPE LIKE 'PROMO%%'
THEN
L_EXTENDEDPRICE*(1-L_DISCOUNT)
ELSE 0 END)
/ SUM(L_EXTENDEDPRICE*(1-L_DISCOUNT))
AS PROMO_REVENUE
FROM LINEITEM, PART
WHERE L_PARTKEY = P_PARTKEY AND
L_SHIPDATE >= '1995-09-01'
AND L_SHIPDATE <
dateadd(mm, 1,
'1995-09-01')

/* TPC_H Query 15 - Create View for Top Supplier Query */
CREATE VIEW REVENUE0
(SUPPLIER_NO, TOTAL_REVENUE)
AS
SELECT L_SUPPKEY,
SUM(L_EXTENDEDPRICE*(1-L_DISCOUNT))
FROM LINEITEM
WHERE L_SHIPDATE
>= '1996-01-01'
AND L_SHIPDATE <
dateadd(mm, 3,
cast('1996-01-01'
as date))
GROUP BY L_SUPPKEY
GO
/* TPC_H Query 15 - Top Supplier */
SELECT S_SUPPKEY,
S_NAME, S_ADDRESS,
S_PHONE, TOTAL_REVENUE
FROM SUPPLIER, REVENUE0
WHERE S_SUPPKEY = SUPPLIER_NO
AND TOTAL_REVENUE =
(SELECT
MAX(TOTAL_REVENUE)
FROM REVENUE0)
ORDER BY S_SUPPKEY
DROP VIEW REVENUE0

/* TPC_H Query 16 - Parts/Supplier Relationship */
SELECT P_BRAND,
P_TYPE, P_SIZE,
COUNT(DISTINCT
PS_SUPPKEY) AS SUPPLIER_CNT
FROM PARTSUPP, PART
WHERE P_PARTKEY = PS_PARTKEY AND
P_BRAND <> 'Brand#45'
AND P_TYPE NOT
LIKE 'MEDIUM POLISHED%%'
AND P_SIZE IN
(49, 14, 23, 45, 19, 3, 36, 9)
AND PS_SUPPKEY NOT IN
(SELECT S_SUPPKEY
FROM SUPPLIER
WHERE S_COMMENT LIKE
'%%Customer%%Complaints%%')
GROUP BY P_BRAND,
P_TYPE, P_SIZE
ORDER BY SUPPLIER_CNT DESC,
P_BRAND, P_TYPE, P_SIZE

/* TPC_H Query 17 - Small-Quantity-Order Revenue */
SELECT
SUM(L_EXTENDEDPRICE)/7.0
AS AVG_YEARLY
FROM LINEITEM, PART
WHERE P_PARTKEY = L_PARTKEY
AND P_BRAND = 'Brand#23'
AND P_CONTAINER = 'MED BOX'
AND L_QUANTITY
< (SELECT 0.2*AVG(L_QUANTITY)
FROM LINEITEM
WHERE L_PARTKEY = P_PARTKEY)

/* TPC_H Query 18 - Large Volume Customer */
SELECT
TOP 100 C_NAME,
C_CUSTKEY, O_ORDERKEY,
O_ORDERDATE, O_TOTALPRICE,
SUM(L_QUANTITY)
FROM CUSTOMER,
ORDERS, LINEITEM
WHERE O_ORDERKEY
IN
(SELECT L_ORDERKEY
FROM LINEITEM
GROUP BY L_ORDERKEY
HAVING
 SUM(L_QUANTITY)
> 300)
AND C_CUSTKEY = O_CUSTKEY
AND O_ORDERKEY = L_ORDERKEY
GROUP BY C_NAME,
C_CUSTKEY, O_ORDERKEY,
O_ORDERDATE, O_TOTALPRICE
ORDER BY O_TOTALPRICE DESC,
O_ORDERDATE

/* TPC_H Query 19 - Discounted Revenue */
SELECT
SUM(L_EXTENDEDPRICE*
(1
- L_DISCOUNT))
AS REVENUE
FROM LINEITEM, PART
WHERE
(P_PARTKEY = L_PARTKEY
AND P_BRAND = 'Brand#12'
AND P_CONTAINER IN
('SM CASE',
'SM BOX',
'SM PACK',
'SM PKG')
AND L_QUANTITY >= 1
AND L_QUANTITY <= 1 + 10
AND P_SIZE BETWEEN 1 AND 5
AND L_SHIPMODE IN
('AIR',
'AIR REG')
AND L_SHIPINSTRUCT =
'DELIVER IN PERSON')
OR
(P_PARTKEY = L_PARTKEY
AND P_BRAND ='Brand#23'
AND P_CONTAINER IN
('MED BAG',
'MED BOX',
'MED PKG',
'MED PACK')
AND L_QUANTITY >=10
AND L_QUANTITY <=10 + 10
AND P_SIZE BETWEEN 1 AND 10
AND L_SHIPMODE IN
('AIR',
'AIR REG')
AND L_SHIPINSTRUCT =
'DELIVER IN PERSON')
OR
(P_PARTKEY = L_PARTKEY
AND P_BRAND = 'Brand#34'
AND P_CONTAINER IN
( 'LG CASE',
'LG BOX',
'LG PACK',
'LG PKG')
AND L_QUANTITY >=20
AND L_QUANTITY <= 20 + 10
AND P_SIZE BETWEEN 1 AND 15
AND L_SHIPMODE IN
('AIR',
'AIR REG')
AND L_SHIPINSTRUCT =
'DELIVER IN PERSON')

/* TPC_H Query 20 - Potential Part Promotion */
SELECT S_NAME, S_ADDRESS
FROM SUPPLIER, NATION
WHERE S_SUPPKEY IN
(SELECT PS_SUPPKEY
FROM PARTSUPP
 WHERE PS_PARTKEY
in
(SELECT P_PARTKEY
FROM PART WHERE P_NAME
like 'forest%%')
AND
 PS_AVAILQTY >
(SELECT 0.5*sum(L_QUANTITY)
FROM LINEITEM WHERE
L_PARTKEY = PS_PARTKEY AND
  L_SUPPKEY =
PS_SUPPKEY AND L_SHIPDATE >=
'1994-01-01' AND
  L_SHIPDATE <
dateadd(yy,1,'1994-01-01')))
AND S_NATIONKEY = N_NATIONKEY
AND N_NAME = 'CANADA'
ORDER BY S_NAME

/* TPC_H Query 21 - Suppliers Who Kept Orders Waiting */
SELECT TOP 100 S_NAME,
COUNT(*)
AS NUMWAIT
FROM SUPPLIER,
LINEITEM L1, ORDERS, NATION
WHERE
S_SUPPKEY = L1.L_SUPPKEY
AND
O_ORDERKEY = L1.L_ORDERKEY
AND O_ORDERSTATUS = 'F'
AND
L1.L_RECEIPTDATE>
L1.L_COMMITDATE
AND
EXISTS
(SELECT *
FROM LINEITEM L2 WHERE
L2.L_ORDERKEY =
L1.L_ORDERKEY
AND L2.L_SUPPKEY
<> L1.L_SUPPKEY)
AND
NOT EXISTS
(SELECT *
FROM LINEITEM L3 WHERE
L3.L_ORDERKEY =
L1.L_ORDERKEY AND
L3.L_SUPPKEY <>
L1.L_SUPPKEY AND
L3.L_RECEIPTDATE >
L3.L_COMMITDATE)
AND
S_NATIONKEY = N_NATIONKEY AND
N_NAME = 'SAUDI ARABIA'
GROUP BY S_NAME
ORDER BY NUMWAIT DESC, S_NAME


/* TPC_H Query 22 - Global Sales Opportunity */
SELECT CNTRYCODE,
COUNT(*)
AS NUMCUST,
SUM(C_ACCTBAL)
AS TOTACCTBAL
FROM (SELECT
SUBSTRING(C_PHONE,1,2)
AS CNTRYCODE, C_ACCTBAL
FROM CUSTOMER
WHERE
SUBSTRING(C_PHONE,1,2)
IN ('13',
'31', '23',
'29', '30',
'18', '17')
AND
C_ACCTBAL >
(SELECT
AVG(C_ACCTBAL)
FROM CUSTOMER WHERE
C_ACCTBAL > 0.00 AND
  SUBSTRING(C_PHONE,1,2)
IN ('13',
'31', '23',
'29', '30',
'18', '17'))
AND
 NOT EXISTS ( SELECT *
FROM ORDERS
WHERE O_CUSTKEY = C_CUSTKEY))
AS CUSTSALE
GROUP BY CNTRYCODE
ORDER BY CNTRYCODE
