79 lines
2.6 KiB
Plaintext
79 lines
2.6 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),c3 FLOAT);
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INSERT INTO t1 VALUES (null,null,0.0);
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INSERT INTO t1 VALUES (1,'',1.0);
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INSERT INTO t1 VALUES (2,'abcde',2.0);
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INSERT INTO t1 VALUES (100,'abcdefghij',3.0);
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CREATE TABLE t2 (c1 INT, c2 VARCHAR(100));
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INSERT INTO t2 VALUES (1,'abcde');
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INSERT INTO t2 VALUES (2,'abcde');
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SELECT sb1,sb2,sb3 FROM (SELECT c1 AS sb1, c2 AS sb2, c3*2 AS sb3
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FROM t1) AS sb WHERE sb1 > 1;
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sb1 sb2 sb3
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2 abcde 4
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100 abcdefghij 6
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SELECT AVG(sum_column1) FROM (SELECT SUM(c1) AS sum_column1 FROM t1
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GROUP BY c1) AS t1;
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AVG(sum_column1)
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34.3333
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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),c3 FLOAT);
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INSERT INTO t1 VALUES (null,null,0.0);
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INSERT INTO t1 VALUES (1,'',1.0);
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INSERT INTO t1 VALUES (2,'abcde',2.0);
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INSERT INTO t1 VALUES (100,'abcdefghij',3.0);
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CREATE TABLE t2 (c1 INT, c2 VARCHAR(100));
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INSERT INTO t2 VALUES (1,'abcde');
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INSERT INTO t2 VALUES (2,'abcde');
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SELECT sb1,sb2,sb3 FROM (SELECT c1 AS sb1, c2 AS sb2, c3*2 AS sb3
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FROM t1) AS sb WHERE sb1 > 1;
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sb1 sb2 sb3
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2 abcde 4
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100 abcdefghij 6
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SELECT AVG(sum_column1) FROM (SELECT SUM(c1) AS sum_column1 FROM t1
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GROUP BY c1) AS t1;
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AVG(sum_column1)
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34.3333
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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),c3 FLOAT);
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INSERT INTO t1 VALUES (null,null,0.0);
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INSERT INTO t1 VALUES (1,'',1.0);
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INSERT INTO t1 VALUES (2,'abcde',2.0);
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INSERT INTO t1 VALUES (100,'abcdefghij',3.0);
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CREATE TABLE t2 (c1 INT, c2 VARCHAR(100));
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INSERT INTO t2 VALUES (1,'abcde');
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INSERT INTO t2 VALUES (2,'abcde');
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SELECT sb1,sb2,sb3 FROM (SELECT c1 AS sb1, c2 AS sb2, c3*2 AS sb3
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FROM t1) AS sb WHERE sb1 > 1;
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sb1 sb2 sb3
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2 abcde 4
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100 abcdefghij 6
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SELECT AVG(sum_column1) FROM (SELECT SUM(c1) AS sum_column1 FROM t1
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GROUP BY c1) AS t1;
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AVG(sum_column1)
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34.3333
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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),c3 FLOAT);
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INSERT INTO t1 VALUES (null,null,0.0);
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INSERT INTO t1 VALUES (1,'',1.0);
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INSERT INTO t1 VALUES (2,'abcde',2.0);
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INSERT INTO t1 VALUES (100,'abcdefghij',3.0);
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CREATE TABLE t2 (c1 INT, c2 VARCHAR(100));
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INSERT INTO t2 VALUES (1,'abcde');
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INSERT INTO t2 VALUES (2,'abcde');
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SELECT sb1,sb2,sb3 FROM (SELECT c1 AS sb1, c2 AS sb2, c3*2 AS sb3
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FROM t1) AS sb WHERE sb1 > 1;
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sb1 sb2 sb3
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2 abcde 4
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100 abcdefghij 6
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SELECT AVG(sum_column1) FROM (SELECT SUM(c1) AS sum_column1 FROM t1
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GROUP BY c1) AS t1;
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AVG(sum_column1)
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34.3333
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DROP TABLE t1;
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DROP TABLE t2;
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