Stored procedure to obtain Pinyin prefix_PHP tutorial

-- =============================================
-- Create scalar function (NWGetPYFirst)
-- =============================================
IF EXISTS (SELECT *
FROM sysobjects
WHERE name = N'NWGetPYFirst')
DROP FUNCTION NWGetPYFirst
GO
CREATE FUNCTION NWGetPYFirst
(@str varchar(500) = '')
RETURNS varchar(500)
AS
BEGIN
Declare @strlen int,
@return varchar(500),
@ii int,
@c char(1),
@chn nchar(1)
--//初始化变量
Declare @pytable table(
chn char(2) COLLATE Chinese_PRC_CS_AS NOT NULL,
py char(1) COLLATE Chinese_PRC_CS_AS NULL,
PRIMARY KEY (chn)
)
insert into @pytable values('吖', 'A')
insert into @pytable values('八', 'B')
insert into @pytable values('嚓', 'C')
insert into @pytable values('

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