127 lines
3.1 KiB
Plaintext
127 lines
3.1 KiB
Plaintext
DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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CREATE TABLE t1 (c1 INT, c2 CHAR(100));
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INSERT INTO t1 VALUES (null,null);
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INSERT INTO t1 VALUES (1,'');
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INSERT INTO t1 VALUES (2,'abcde');
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INSERT INTO t1 VALUES (100,'abcdefghij');
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CREATE TABLE t2 (c1 INT);
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INSERT INTO t2 VALUES (null);
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INSERT INTO t2 VALUES (2);
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INSERT INTO t2 VALUES (100);
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SELECT (SELECT AVG(c1) FROM t1);
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(SELECT AVG(c1) FROM t1)
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34.3333
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SELECT (SELECT MIN(c1) FROM t2) FROM t1;
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(SELECT MIN(c1) FROM t2)
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2
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2
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2
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2
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SELECT UPPER((SELECT c2 FROM t1 WHERE c1=2)) FROM t2;
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UPPER((SELECT c2 FROM t1 WHERE c1=2))
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ABCDE
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ABCDE
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ABCDE
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SELECT c1 FROM t1 WHERE c1 = (SELECT MAX(c1) FROM t2);
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c1
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100
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SELECT c1 FROM t1 AS t WHERE 4 = (SELECT COUNT(*) FROM t1 WHERE
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t1.c1 = t.c1);
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c1
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DROP TABLE t1;
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DROP TABLE t2;
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CREATE TABLE t1 (c1 INT, c2 VARCHAR(100));
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INSERT INTO t1 VALUES (null,null);
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INSERT INTO t1 VALUES (1,'');
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INSERT INTO t1 VALUES (2,'abcde');
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INSERT INTO t1 VALUES (100,'abcdefghij');
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CREATE TABLE t2 (c1 INT);
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INSERT INTO t2 VALUES (null);
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INSERT INTO t2 VALUES (2);
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INSERT INTO t2 VALUES (100);
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SELECT (SELECT AVG(c1) FROM t1);
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(SELECT AVG(c1) FROM t1)
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34.3333
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SELECT (SELECT MIN(c1) FROM t2) FROM t1;
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(SELECT MIN(c1) FROM t2)
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2
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2
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2
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2
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SELECT UPPER((SELECT c2 FROM t1 WHERE c1=2)) FROM t2;
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UPPER((SELECT c2 FROM t1 WHERE c1=2))
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ABCDE
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ABCDE
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ABCDE
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SELECT c1 FROM t1 WHERE c1 = (SELECT MAX(c1) FROM t2);
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c1
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100
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SELECT c1 FROM t1 AS t WHERE 4 = (SELECT COUNT(*) FROM t1 WHERE
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t1.c1 = t.c1);
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c1
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DROP TABLE t1;
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DROP TABLE t2;
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CREATE TABLE t1 (c1 INT, c2 BINARY(100));
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INSERT INTO t1 VALUES (null,null);
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INSERT INTO t1 VALUES (1,'');
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INSERT INTO t1 VALUES (2,'abcde');
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INSERT INTO t1 VALUES (100,'abcdefghij');
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CREATE TABLE t2 (c1 INT);
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INSERT INTO t2 VALUES (null);
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INSERT INTO t2 VALUES (2);
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INSERT INTO t2 VALUES (100);
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SELECT (SELECT AVG(c1) FROM t1);
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(SELECT AVG(c1) FROM t1)
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34.3333
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SELECT (SELECT MIN(c1) FROM t2) FROM t1;
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(SELECT MIN(c1) FROM t2)
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2
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2
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2
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2
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SELECT UPPER((SELECT c2 FROM t1 WHERE c1=2)) FROM t2;
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UPPER((SELECT c2 FROM t1 WHERE c1=2))
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abcde
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abcde
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abcde
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SELECT c1 FROM t1 WHERE c1 = (SELECT MAX(c1) FROM t2);
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c1
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100
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SELECT c1 FROM t1 AS t WHERE 4 = (SELECT COUNT(*) FROM t1 WHERE
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t1.c1 = t.c1);
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c1
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DROP TABLE t1;
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DROP TABLE t2;
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CREATE TABLE t1 (c1 INT, c2 VARBINARY(100));
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INSERT INTO t1 VALUES (null,null);
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INSERT INTO t1 VALUES (1,'');
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INSERT INTO t1 VALUES (2,'abcde');
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INSERT INTO t1 VALUES (100,'abcdefghij');
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CREATE TABLE t2 (c1 INT);
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INSERT INTO t2 VALUES (null);
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INSERT INTO t2 VALUES (2);
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INSERT INTO t2 VALUES (100);
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SELECT (SELECT AVG(c1) FROM t1);
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(SELECT AVG(c1) FROM t1)
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34.3333
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SELECT (SELECT MIN(c1) FROM t2) FROM t1;
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(SELECT MIN(c1) FROM t2)
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2
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2
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2
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2
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SELECT UPPER((SELECT c2 FROM t1 WHERE c1=2)) FROM t2;
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UPPER((SELECT c2 FROM t1 WHERE c1=2))
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abcde
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abcde
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abcde
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SELECT c1 FROM t1 WHERE c1 = (SELECT MAX(c1) FROM t2);
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c1
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100
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SELECT c1 FROM t1 AS t WHERE 4 = (SELECT COUNT(*) FROM t1 WHERE
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t1.c1 = t.c1);
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c1
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DROP TABLE t1;
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DROP TABLE t2;
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