99 lines
1.6 KiB
Plaintext
99 lines
1.6 KiB
Plaintext
|
QUERY: CREATE TABLE VARCHAR_TBL(f1 varchar(1));
|
||
|
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
|
||
|
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('A');
|
||
|
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('1');
|
||
|
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES (2);
|
||
|
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('3');
|
||
|
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('');
|
||
|
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('cd');
|
||
|
QUERY: SELECT '' AS seven, VARCHAR_TBL.*;
|
||
|
seven|f1
|
||
|
-----+--
|
||
|
|a
|
||
|
|A
|
||
|
|1
|
||
|
|2
|
||
|
|3
|
||
|
|
|
||
|
|c
|
||
|
(7 rows)
|
||
|
|
||
|
QUERY: SELECT '' AS six, c.*
|
||
|
FROM VARCHAR_TBL c
|
||
|
WHERE c.f1 <> 'a';
|
||
|
six|f1
|
||
|
---+--
|
||
|
|A
|
||
|
|1
|
||
|
|2
|
||
|
|3
|
||
|
|
|
||
|
|c
|
||
|
(6 rows)
|
||
|
|
||
|
QUERY: SELECT '' AS one, c.*
|
||
|
FROM VARCHAR_TBL c
|
||
|
WHERE c.f1 = 'a';
|
||
|
one|f1
|
||
|
---+--
|
||
|
|a
|
||
|
(1 row)
|
||
|
|
||
|
QUERY: SELECT '' AS five, c.*
|
||
|
FROM VARCHAR_TBL c
|
||
|
WHERE c.f1 < 'a';
|
||
|
five|f1
|
||
|
----+--
|
||
|
|A
|
||
|
|1
|
||
|
|2
|
||
|
|3
|
||
|
|
|
||
|
(5 rows)
|
||
|
|
||
|
QUERY: SELECT '' AS six, c.*
|
||
|
FROM VARCHAR_TBL c
|
||
|
WHERE c.f1 <= 'a';
|
||
|
six|f1
|
||
|
---+--
|
||
|
|a
|
||
|
|A
|
||
|
|1
|
||
|
|2
|
||
|
|3
|
||
|
|
|
||
|
(6 rows)
|
||
|
|
||
|
QUERY: SELECT '' AS one, c.*
|
||
|
FROM VARCHAR_TBL c
|
||
|
WHERE c.f1 > 'a';
|
||
|
one|f1
|
||
|
---+--
|
||
|
|c
|
||
|
(1 row)
|
||
|
|
||
|
QUERY: SELECT '' AS two, c.*
|
||
|
FROM VARCHAR_TBL c
|
||
|
WHERE c.f1 >= 'a';
|
||
|
two|f1
|
||
|
---+--
|
||
|
|a
|
||
|
|c
|
||
|
(2 rows)
|
||
|
|
||
|
QUERY: DROP TABLE VARCHAR_TBL;
|
||
|
QUERY: CREATE TABLE VARCHAR_TBL(f1 varchar(4));
|
||
|
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
|
||
|
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('ab');
|
||
|
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('abcd');
|
||
|
QUERY: INSERT INTO VARCHAR_TBL (f1) VALUES ('abcde');
|
||
|
QUERY: SELECT '' AS four, VARCHAR_TBL.*;
|
||
|
four|f1
|
||
|
----+----
|
||
|
|a
|
||
|
|ab
|
||
|
|abcd
|
||
|
|abcd
|
||
|
(4 rows)
|
||
|
|