IF NOT EXISTS (SELECT 1 FROM sys.objects WHERE object_id = OBJECT_ID('[dbo].[sys_sql_ann]') AND type = 'U')
CREATE TABLE [dbo].[sys_sql_ann]
(
    [annid] int NOT NULL IDENTITY(1, 1),
    [parseid] int NULL,
    [annName] varchar(50) COLLATE Chinese_PRC_CI_AS NOT NULL,
    [annText] varchar(4000) COLLATE Chinese_PRC_CI_AS NULL,
    [row] int NULL,
    [col] int NULL,
    CONSTRAINT [PK_SYS_SQL_ANN] PRIMARY KEY ([annid] ASC)
)