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35 lines
1.0 KiB
SQL
35 lines
1.0 KiB
SQL
set autocommit=0;
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delete from orders2 where o_orderdate <= '1992-08-31';
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rollback;
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update orders2 set o_orderdate='2015-01-01' where o_orderdate <= '1992-08-31';
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commit;
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delete from orders2 where o_orderdate = '2015-01-01';
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commit;
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select count(*) from orders2;
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select count(o_orderkey) from orders2;
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select count(o_custkey) from orders2;
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select count(o_orderstatus) from orders2;
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select count(o_totalprice) from orders2;
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select count(o_orderdate) from orders2;
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select count(o_orderpriority) from orders2;
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select count(o_clerk) from orders2;
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select count(o_shippriority) from orders2;
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select count(o_comment) from orders2;
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delete from orders2;
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commit;
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select count(*) from orders2;
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select count(o_orderkey) from orders2;
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select count(o_custkey) from orders2;
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select count(o_orderstatus) from orders2;
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select count(o_totalprice) from orders2;
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select count(o_orderdate) from orders2;
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select count(o_orderpriority) from orders2;
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select count(o_clerk) from orders2;
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select count(o_shippriority) from orders2;
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select count(o_comment) from orders2;
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