Sqlstr is like general sql query string, such as:

"select fld_name0 from tbl_name where time = 2008"
"insert tbl_name(fld_name0, fld_name1)"
"update tbl_name(fld_name0, fld_name1)"
Value must be provided when query word such as 'insert' or 'update' is used, and the values of different fields must be concantenated with chr(15).

dHb api function list:

        QuerydhbProc
        FldName2Num
        Num2FldName
        FindRsId
        wildQuery
        CompIndex 
        FldType2Num
        Num2FldType
        SavedbIdx
        GetCurDataBase 
        SetCurDataBase 
        GetdbRecord
        Update
        SaveTableIndex
        AddxRecord
        Space
        GetCurTable
        SetCurTable
        SelectTable
        SetDataPath
        UpdateIdx
        W2Mstr
        ExeSql 
        SelectIndex
        GetVarData
        UpdateVarData
        UpdatexRecord
        CompareFldValue
        digital2chr
        chr2digital
        Idx2Startpos
        spos2result
        GetAsc
        initStep 
        bNullStr 
        Id2StartPos
        GetMultiFldTxt
        GetKeyWordStr
        AnalyzeSql 
        trimPunc 
        GetShowMode
        ParaTrans
        CompSearchStr
        exeSqlInsert 
        exeSqlSelect 
        GetTermVal
        GetLinkVal
        exeSqlUpdate 
        Pos2Rdid
        Str2FldVal
        GetFldStart
        GetRecordcount
        SqlStr2ValList
        UpdateSingleRecord
        SearchxPos