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128 lines
2.1 KiB
Plaintext
128 lines
2.1 KiB
Plaintext
DROP DATABASE IF EXISTS mcs136_db;
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CREATE DATABASE mcs136_db;
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USE mcs136_db;
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CREATE TABLE t1 (a CHAR(1), b INT)ENGINE=Columnstore;
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INSERT INTO t1 VALUES ('', NULL),('a', 123),('a', 1),('b', 123),('c', 1861),('c', 1991),('d', 10701),('d', 1071),('a', 92);
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SELECT a, b, SUM(b) OVER(ORDER BY a) sum FROM t1;
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a b sum
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NULL NULL NULL
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a 92 216
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a 1 216
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a 123 216
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b 123 339
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c 1991 4191
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c 1861 4191
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d 1071 15963
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d 10701 15963
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SELECT a, b, SUM(b) OVER(ORDER BY b DESC) sum FROM t1;
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a b sum
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d 10701 10701
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c 1991 12692
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c 1861 14553
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d 1071 15624
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a 123 15870
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b 123 15870
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a 92 15962
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a 1 15963
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NULL NULL 15963
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SELECT a, b, SUM(b) OVER w sum FROM t1 WINDOW w AS (ORDER BY a DESC);
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a b sum
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d 10701 11772
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d 1071 11772
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c 1861 15624
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c 1991 15624
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b 123 15747
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a 92 15963
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a 123 15963
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a 1 15963
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NULL NULL 15963
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SELECT a, b, SUM(b) OVER w sum FROM t1 WINDOW w AS (ORDER BY b);
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a b sum
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NULL NULL NULL
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a 1 1
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a 92 93
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b 123 339
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a 123 339
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d 1071 1410
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c 1861 3271
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c 1991 5262
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d 10701 15963
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SELECT a, b, SUM(b) OVER(PARTITION BY a) sum FROM t1;
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a b sum
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NULL NULL NULL
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a 92 216
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a 1 216
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a 123 216
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b 123 123
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c 1991 3852
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c 1861 3852
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d 1071 11772
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d 10701 11772
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SELECT a, b, SUM(b) OVER(PARTITION BY b) sum FROM t1;
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a b sum
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NULL NULL NULL
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a 1 1
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a 92 92
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b 123 246
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a 123 246
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d 1071 1071
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c 1861 1861
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c 1991 1991
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d 10701 10701
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SELECT a, b, SUM(b) OVER(PARTITION BY a ORDER BY a DESC) sum FROM t1;
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a b sum
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NULL NULL NULL
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a 92 216
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a 1 216
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a 123 216
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b 123 123
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c 1991 3852
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c 1861 3852
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d 1071 11772
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d 10701 11772
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SELECT a, b, SUM(b) OVER(PARTITION BY a ORDER BY b DESC) sum FROM t1;
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a b sum
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NULL NULL NULL
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a 123 123
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a 92 215
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a 1 216
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b 123 123
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c 1991 1991
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c 1861 3852
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d 10701 10701
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d 1071 11772
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SELECT a, b, SUM(b) OVER(PARTITION BY a ORDER BY b ASC) sum FROM t1;
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a b sum
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NULL NULL NULL
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a 1 1
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a 92 93
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a 123 216
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b 123 123
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c 1861 1861
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c 1991 3852
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d 1071 1071
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d 10701 11772
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SELECT a, b, SUM(b) OVER(PARTITION BY b ORDER BY a DESC) sum FROM t1;
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a b sum
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NULL NULL NULL
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a 1 1
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a 92 92
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b 123 123
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a 123 246
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d 1071 1071
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c 1861 1861
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c 1991 1991
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d 10701 10701
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SELECT a, b, SUM(b) OVER(PARTITION BY b ORDER BY b DESC) sum FROM t1;
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a b sum
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NULL NULL NULL
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a 1 1
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a 92 92
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b 123 246
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a 123 246
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d 1071 1071
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c 1861 1861
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c 1991 1991
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d 10701 10701
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DROP DATABASE mcs136_db;
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