67 lines
1.3 KiB
SQL
67 lines
1.3 KiB
SQL
--
|
|
-- VARCHAR
|
|
--
|
|
|
|
CREATE TABLE NVARCHAR_TBL(f1 nvarchar(1));
|
|
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES ('a');
|
|
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES ('A');
|
|
|
|
-- any of the following three input formats are acceptable
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES ('1');
|
|
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES (2);
|
|
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES ('3');
|
|
|
|
-- zero-length char
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES ('');
|
|
|
|
-- try varchar's of greater than 1 length
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES ('cd');
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES ('c ');
|
|
|
|
|
|
SELECT '' AS seven, * FROM NVARCHAR_TBL;
|
|
|
|
SELECT '' AS six, c.*
|
|
FROM NVARCHAR_TBL c
|
|
WHERE c.f1 <> 'a';
|
|
|
|
SELECT '' AS one, c.*
|
|
FROM NVARCHAR_TBL c
|
|
WHERE c.f1 = 'a';
|
|
|
|
SELECT '' AS five, c.*
|
|
FROM NVARCHAR_TBL c
|
|
WHERE c.f1 < 'a';
|
|
|
|
SELECT '' AS six, c.*
|
|
FROM NVARCHAR_TBL c
|
|
WHERE c.f1 <= 'a';
|
|
|
|
SELECT '' AS one, c.*
|
|
FROM NVARCHAR_TBL c
|
|
WHERE c.f1 > 'a';
|
|
|
|
SELECT '' AS two, c.*
|
|
FROM NVARCHAR_TBL c
|
|
WHERE c.f1 >= 'a';
|
|
|
|
DROP TABLE NVARCHAR_TBL;
|
|
|
|
--
|
|
-- Now test longer arrays of char
|
|
--
|
|
|
|
CREATE TABLE NVARCHAR_TBL(f1 nvarchar(4));
|
|
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES ('a');
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES ('ab');
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES ('abcd');
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES ('abcde');
|
|
INSERT INTO NVARCHAR_TBL (f1) VALUES ('abcd ');
|
|
|
|
SELECT '' AS four, * FROM NVARCHAR_TBL;
|