Dim sql As StringFunction IsTableExists(tableName As String) As BooleanDim blnFound As Booleandbs = ThisWorkbook.Path & "\DataBase1101.accdb"'//打开数据库连接CallOpenConnection(dbs)'//查询表信息Set rs = conn.OpenSchema(20)blnFound = False'//遍历表信息,检查是否存在指定的表名DoUntilrs.EOFI...
STypechar(1)default'0'check(length(SType)=1));--常用的sql语句CREATETABLEIFNOTEXISTScommonSQL(IDinteger notnullprimary key autoincrement,描述 text notnullunique,dbpathID integer notnullcheck(typeof(dbpathID)='integer')referencesdbpath(ID)on update cascade ondeletecascade,strsql text notnull,时间...
MessageBoxIcon.Error); } } /// <summary> /// 检查附件表是否存在 /// </summary> public bool SMHasAttachments { get { IWorkspace2 ws2 = this.m_Workspace as IWorkspace2; if (ws2.get_NameExists(esriDatasetType.esriDTTable, this.m_TableName)) { return true; } else { return false; }...
(ptName) If Not pt Is Nothing Then pt.TableRange2.Clear ' 清除数据透视表内容 ws.PivotTables(ptName).Delete ' 删除数据透视表 End If On Error GoTo 0 ' 创建数据透视缓存 Set pc = ActiveWorkbook.PivotCaches.Create(SourceType:=xlDatabase, SourceData:=dataRange) ' 创建数据透视表 Set pt = pc...
利用Excel对象还可以打开XML文件和一些数据库(如Access)文件,对应XML文件,需要Excel2003以上的版本。 OpenXML方法的语法如下: Workbooks.OpenXML(Filename, Stylesheets, LoadOption) FileName String 类型,必需。要打开的文件名。 Stylesheets Variant 类型,可选。单个值或值的数组,用于指定要应用哪些 XSL 转换 (XSLT...
before insert or update or delete on foo begin if user not in (‘donny’) then raise_application_error(-20001, ‘you don’t have access to modify this table.’); end if; end; / 即使sys,system用户也不能修改foo表 对修改表的时间、人物进行日志记录。
问MS Access VBA acImport工作表名称,包含空格和范围EN有时候,工作簿中可能有大量的命名区域。然而,...
Dim employeeTable As DAO.Recordset Dim strSQL As String Dim strSQLName As String Dim strSQLintegrityCheck As String Dim idValue As Long Dim recordExists As Boolean If Me.Dirty = True Then Me.Dirty = False 'Save any unsaved data
If you have access to the cluster head node, create a share directory on the head node. This is convenient because you know that the cluster compute nodes can access the head node. If you can't create a share directory on the head node, create the share directory anywhere within the dom...
27、“学生成绩管理.mdb”设置要创建的数据表名称mytable=”期末成绩”打开数据库set mydb=opendatabase(mydata)删除数据库中已经存在的数据表mydb.tabledefs.delete mytable创建新的数据表set mytbl=mydb.createtabledef(mytable)以下与1-1相同end sub补充:opendatabase 方法用来打开一个已有的数据库,返回一个数...