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49 lines
1.1 KiB
Plaintext
49 lines
1.1 KiB
Plaintext
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CREATE TABLE t4(m CHAR(2));
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INSERT INTO t4 VALUES('az');
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INSERT INTO t4 VALUES('by');
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INSERT INTO t4 VALUES('cx');
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SELECT '1', substr(m,2) AS m FROM t4 ORDER BY m;
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SELECT '2', substr(m,2) AS m FROM t4 ORDER BY m COLLATE binary;
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SELECT '3', substr(m,2) AS m FROM t4 ORDER BY lower(m);
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CREATE TABLE t5(m CHAR(2));
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INSERT INTO t5 VALUES('ax');
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INSERT INTO t5 VALUES('bx');
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INSERT INTO t5 VALUES('cy');
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SELECT count(*), substr(m,2,1) AS m FROM t5 GROUP BY m ORDER BY 1, 2;
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SELECT count(*), substr(m,2,1) AS mx FROM t5 GROUP BY m ORDER BY 1, 2;
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SELECT count(*), substr(m,2,1) AS mx FROM t5 GROUP BY mx ORDER BY 1, 2;
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SELECT count(*), substr(m,2,1) AS mx FROM t5
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GROUP BY substr(m,2,1) ORDER BY 1, 2;
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CREATE TABLE t61(name);
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SELECT min(name) FROM t61 GROUP BY lower(name);
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SELECT min(name) AS name FROM t61 GROUP BY lower(name);
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CREATE TABLE t63(name);
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INSERT INTO t63 VALUES (NULL);
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INSERT INTO t63 VALUES ('abc');
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SELECT count(),
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NULLIF(name,'abc') AS name
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FROM t63
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GROUP BY lower(name);
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SELECT 2 AS x WHERE (SELECT x AS y WHERE 3>y);
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SELECT 2 AS x WHERE (SELECT x AS y WHERE 1>y);
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