# Run Queries on Data

You can start running queries once the data is loaded into your SingleStore database. Here are some example queries to be used with the TPC-H dataset. For the complete workload of 22 queries that can be run against the TPC-H database, refer to [TPC-H standard specification](https://www.tpc.org/tpc_documents_current_versions/pdf/tpc-h_v2.17.1.pdf).

## Query 1: Pricing Summary Report

This query reports the total number of items, their prices, and average quantities shipped within 90 days of the most recent ship date (specified date) in the database.

```sql
USE tpch;
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 <= date('1998-12-01' - interval '90' day)
GROUP BY
    l_returnflag,
    l_linestatus
ORDER BY
    l_returnflag,
    l_linestatus;

```

```output

+--------------+--------------+--------------+-----------------+-------------------+---------------------+-----------+--------------+----------+-------------+
| l_returnflag | l_linestatus | sum_qty      | sum_base_price  | sum_disc_price    | sum_charge          | avg_qty   | avg_price    | avg_disc | count_order |
+--------------+--------------+--------------+-----------------+-------------------+---------------------+-----------+--------------+----------+-------------+
| A            | F            |  83289121.00 | 124912195605.43 | 118665316925.8745 | 123413447483.580151 | 25.491969 | 38231.377828 | 0.050007 |     3267269 |
| N            | F            |   2190539.00 |   3282604241.36 |   3118652485.5821 |   3243864574.415261 | 25.478790 | 38180.915863 | 0.049948 |       85975 |
| N            | O            | 164028717.00 | 245978182329.81 | 233676744963.8986 | 243022073269.855210 | 25.499480 | 38239.131169 | 0.050004 |     6432630 |
| R            | F            |  83339258.00 | 124970353864.21 | 118715983030.2238 | 123467940050.739462 | 25.517608 | 38264.613849 | 0.050047 |     3265951 |
+--------------+--------------+--------------+-----------------+-------------------+---------------------+-----------+--------------+----------+-------------+

```

> **📝 Note**: Run the query **again** and observe the execution time difference. You will see a **dramatic improvement** in query execution time. This is due to SingleStore’s [Code Generation](https://docs.singlestore.com/db/v9.1/query-data/advanced-query-topics/code-generation.md) technology.

## Query 2: Shipping Priority

This query retrieves the 5 unshipped orders with the highest value.

```sql
USE tpch;
SELECT
    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 < DATE('1995-03-15')
    AND l_shipdate > DATE('1995-03-15')
GROUP BY
    l_orderkey,
    o_orderdate,
    o_shippriority
ORDER BY
    revenue DESC,
    o_orderdate
LIMIT 5;


```

```output

+------------+-------------+-------------+----------------+
| l_orderkey | revenue     | o_orderdate | o_shippriority |
+------------+-------------+-------------+----------------+
|   81316036 | 459781.3856 | 1995-02-24  |              0 |
|   54427397 | 391221.7016 | 1995-02-28  |              0 |
|   82073798 | 390074.7002 | 1995-03-12  |              0 |
|   81872546 | 386608.3992 | 1995-02-28  |              0 |
|   45138020 | 386056.2188 | 1995-01-30  |              0 |
+------------+-------------+-------------+----------------+

```

## Query 3: Returned Item Reporting

This query identifies the top 5 customers that may be experiencing issues with the items shipped to them.

```sql

USE tpch;
SELECT
    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 >= DATE('1993-10-01')
    AND o_orderdate < DATE('1993-10-01') + interval '3' month
    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
LIMIT 5;


```

```output

+-----------+--------------------+-------------+-----------+-----------+---------------------------------------+-----------------+------------------------------------------------------------------------------------------------+
| c_custkey | c_name             | revenue     | c_acctbal | n_name    | c_address                             | c_phone         | c_comment                                                                                      |
+-----------+--------------------+-------------+-----------+-----------+---------------------------------------+-----------------+------------------------------------------------------------------------------------------------+
|   2490736 | Customer#002490736 | 473138.4854 |   4701.80 | RUSSIA    | rjaIP,XKH,v0R 0u7Qyb                  | 32-234-811-3202 | s sleep carefully against the ironic pinto beans. blithely unusual deposits haggle furiously a |
|   7658659 | Customer#007658659 | 440156.4690 |   1442.76 | MOROCCO   | ucA926oE6y1fOr,teHGthr6GXz6y qf1ySK3  | 25-418-150-7556 | nusual requests nag blithely according to the regular requests: pending, unusual               |
|  11381863 | Customer#011381863 | 437190.0882 |   4397.51 | JORDAN    | TFd7KvQQmf6XJjSQUBbvZ9rlxTUle1mwfqt9  | 23-407-202-8891 |  lose blithely along the furiously pending sentiments. quickly final theodo                    |
|   4804573 | Customer#004804573 | 432390.5681 |   4930.12 | INDONESIA | LgPei3cnZL19sW8lM,qM                  | 19-664-439-8190 | ial accounts. blithely final platelets breach. furious                                         |
|   2247622 | Customer#002247622 | 414271.9102 |   4292.76 | PERU      | c5eYVZ7PXycKnsgLmCtarE5aCcWYga5u0RIwa | 27-403-465-9280 | ly. sly packages haggle. even theodolites wa                                                   |
+-----------+--------------------+-------------+-----------+-----------+---------------------------------------+-----------------+------------------------------------------------------------------------------------------------+

```

## Query 4: Product Type Profit Measure

This query calculates the profit made on a given line of items, broken down by supplier nation and year.

```sql
USE tpch;
WITH profit AS (
    SELECT
        n_name AS nation,
        EXTRACT(YEAR FROM o_orderdate) AS o_year,
        l_extendedprice * (1 - l_discount)
            - ps_supplycost * l_quantity AS amount
    FROM
        part
        JOIN lineitem
            ON p_partkey = l_partkey
        JOIN supplier
            ON s_suppkey = l_suppkey
        JOIN partsupp
            ON ps_suppkey = l_suppkey
           AND ps_partkey = l_partkey
        JOIN orders
            ON o_orderkey = l_orderkey
        JOIN nation
            ON s_nationkey = n_nationkey
    WHERE
        p_name LIKE '%green%'
)

SELECT
    nation,
    o_year,
    SUM(amount) AS sum_profit
FROM
    profit
GROUP BY
    nation,
    o_year
ORDER BY
    nation,
    o_year DESC
LIMIT 5;

```

```output

+---------+--------+---------------+
| nation  | o_year | sum_profit    |
+---------+--------+---------------+
| ALGERIA |   1998 | 20613196.5474 |
| ALGERIA |   1997 | 37498211.6758 |
| ALGERIA |   1996 | 35471708.2126 |
| ALGERIA |   1995 | 36720114.9923 |
| ALGERIA |   1994 | 34921048.6736 |
+---------+--------+---------------+

```

## Analyze Query Performance

The SQL Editor allows you to record and visualize workload profiles at either the query or node level.

1. In the **SQL Editor**, select **Visual Explain** and select **Profile**.

2. The **Visual Explain** window opens. You can now explore the query and navigate around different operations.

***

Modified at: June 17, 2026

Source: [/db/v9.1/introduction/sample-data/load-tpc-h-data-into-singlestore/run-queries-on-data/](https://docs.singlestore.com/db/v9.1/introduction/sample-data/load-tpc-h-data-into-singlestore/run-queries-on-data/)

(An index of the documentation is available at /llms.txt)