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147 lines
2.8 KiB
Plaintext
147 lines
2.8 KiB
Plaintext
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update orders2 set o_orderpriority=concat('upd-', o_orderkey), o_custkey=-1 where o_orderdate <= '1992-01-31'
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Query OK, 1932789 rows affected (44.88 sec)
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Rows matched: 0 Changed: 0 Warnings: 0
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--------------
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select count(distinct o_orderpriority) from orders2 where o_orderdate <= '1992-01-31'
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+---------------------------------+
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| count(distinct o_orderpriority) |
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+---------------------------------+
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| 1932789 |
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+---------------------------------+
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1 row in set (0.89 sec)
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select count(*) from orders2 where o_custkey = -1
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+----------+
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| count(*) |
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+----------+
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| 1932789 |
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+----------+
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1 row in set (0.65 sec)
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delete from orders2 where o_orderdate <= '1992-01-31'
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Query OK, 1932789 rows affected (12.72 sec)
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select count(*) from orders2
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+----------+
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| count(*) |
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+----------+
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| 20877570 |
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+----------+
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1 row in set (0.18 sec)
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select count(o_orderkey) from orders2
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+-------------------+
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| count(o_orderkey) |
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+-------------------+
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| 20877570 |
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+-------------------+
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1 row in set (0.78 sec)
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select count(o_custkey) from orders2
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+------------------+
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| count(o_custkey) |
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+------------------+
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| 20877570 |
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+------------------+
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1 row in set (0.86 sec)
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select count(o_orderstatus) from orders2
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+----------------------+
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| count(o_orderstatus) |
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+----------------------+
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| 20877570 |
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+----------------------+
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1 row in set (0.15 sec)
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select count(o_totalprice) from orders2
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+---------------------+
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| count(o_totalprice) |
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+---------------------+
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| 20877570 |
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+---------------------+
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1 row in set (1.32 sec)
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select count(o_orderdate) from orders2
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--------------
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+--------------------+
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| count(o_orderdate) |
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+--------------------+
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| 20877570 |
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+--------------------+
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1 row in set (0.34 sec)
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select count(o_orderpriority) from orders2
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+------------------------+
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| count(o_orderpriority) |
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+------------------------+
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| 20877570 |
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+------------------------+
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1 row in set (0.43 sec)
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select count(o_clerk) from orders2
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+----------------+
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| count(o_clerk) |
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+----------------+
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| 20877570 |
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+----------------+
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1 row in set (0.86 sec)
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select count(o_shippriority) from orders2
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+-----------------------+
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| count(o_shippriority) |
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+-----------------------+
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| 20877570 |
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+-----------------------+
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1 row in set (0.28 sec)
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select count(o_comment) from orders2
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+------------------+
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| count(o_comment) |
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+------------------+
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| 20877570 |
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+------------------+
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1 row in set (0.92 sec)
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Bye
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