`
rubyin
  • 浏览: 17313 次
  • 性别: Icon_minigender_1
  • 来自: 宁波
社区版块
存档分类
最新评论

说说选择屏幕select-option parameter 为空时

阅读更多
select-option VALUES for ...
SELECT 语句WHERE FIELD in values
如果为空时 会忽略此条件 即全部满足条件,会把所有的查出来;
PARAMETER  VALUES LIKE ...
SELECT 语句WHERE FIELD =
为空时 则不会忽略此条件,仍然按等于空取值。
分享到:
评论

相关推荐

    2009 达内Unix学习笔记

    输出重定向,意思就是说,将原来屏幕输出变为文件输出,即将内容输到文件中。 输入重定向。 本来命令是通过键盘得到输入的,但是用小于号,就能够使命令从文件中得到输入。 \ 表示未写完,回车换行再继续。 * ...

    Bochs - The cross platform IA-32 (x86) emulator

    - Added new .bochsrc option to select mouse capture toggle method. In addition to the default Bochs method using the CTRL key and the middle mouse button there are now the choices: - CTRL+F10 ...

    ABAP 常用函数如日期等

    ABAP开发中常用函数 如RS_VARIANT_VALUES_TECH_DATA 可以返回一个内表, 里面存的是PARAMETER SELECT-OPTION的名字 以及对应的值. 可用于background job中对vaiant的修改. 函数名 描述

    Oracle P/L SQL实现发送Email、浏览网页等网络操作功能

    -----------------自动签名的生成,签名生成显示后还出现此签名文件为附件,尚未解决------------------------------- Procedure p_GetMailSignature( ac_Conn in Out Nocopy UTL_SMTP.Connection, as_...

    afuwin.rar

    The mandatory field is used to select an operation mode. - /O Save current ROM image to file - /U Display ROM File's ROMID - /S Refer to Options: /S - /D Verification test of given ROM File...

    MS-DOS 5.0

    README.TXT NOTES ON MS-DOS VERSION 5.0 =========================== In this file the following topics are covered: 1. Introduction 2. Solving Setup Problems 2.1 Priam and Everex Hard Disks ...

    BURNINTEST--硬件检测工具

    option was also selected. - Minor change to the serial port test where, if "Disable RTS/CTS and DSR/DTR test phase" was selected the DTR and RTS lines would be explicitly disabled to prevent any...

    Turbo C 2.00[DISK]

    o /P PARAMETER FOR TC.EXE. A new command-line switch controls palette swapping on EGA video adapters. Using this switch tc /p hello is recommended only when the user program modifies the EGA ...

    Turbo C 2.01[DISK]

    o /P PARAMETER FOR TC.EXE. A new command-line switch controls palette swapping on EGA video adapters. Using this switch tc /p hello is recommended only when the user program modifies the EGA ...

    RealThinClientSDK_v610_BETA

    parameter. The best place to add the RTC SDK Lib path is after the FireMonkey path, so you should search for ?Fu/Developer/Embarcadero/fmi?in the above mentioned XCode Project file. You will find 2 ...

    qemu-0.13.0(编译过全处理器支持)

    set <arg> parameter for item <id> of type i.e. -set drive.$id.file=/path/to/image -global driver.property=value set a global default for a driver property -mtdblock file use 'file' as on-board ...

    Qemu-1.0.1 for windows

    set <arg> parameter for item <id> of type i.e. -set drive.$id.file=/path/to/image -global driver.property=value set a global default for a driver property -mtdblock file use 'file' as on-board ...

    Bloodshed Dev-C++

    * Added the possibility to modify the value of a variable during debugging (right click on a watch variable and select "Modify value") * During Dev-C++ First Time COnfiguration window, users can now ...

    PLSQL.Developer v11.0.0.1762 主程序+ v10中文包+keygen

    The Code Assistant now allows you to select multiple items for column lists and parameter lists Substitution variable enhancements New option "lines=<n>" controls number of input lines on the form ...

    WPTools.v6.29.1.Pro

    + TParagraph.GetSubText now has optional parameter to disable the object reference char codes #1, #2 and #3 * HTML writer ignores #13 codes when writing the text. * additional savety code in ...

    FlexGraphics_V_1.79_D4-XE10.2_Downloadly.ir

    - ADD Added ControlDocRect parameter in event TFlexControlCreateEvent that can be changed in event handler. The event now fired before flex-control size setup in TFlexControl.ControlCreate and all ...

    FastReport.v4.15 for.Delphi.BCB.Full.Source企业版含ClientServer中文修正版支持D4-XE5

    delphi2010以上版本(D14_D19)使用者安装时,请将res\frccD14_D19.exe更名名为frcc.exe frccD14_D19.exe是专门的delphi2010以上版本(D14_D19)编码器。其他低delphi版本,请使用frcc.exe FastReport® VCL is an add-...

    ImpREC 1.7c

    - "Select Code Section(s)" to precise where is the code in the target - Fixed bug when loading imports file which contains Exact Call with ordinal - Debug stub scheme added (for getting API from an...

    DevExpress VCL 13.1.4(v2013vol1.4) 源码-例子-帮助-part2

    Q525331 - TdxShellBreadcrumbEdit incorrectly updates its content in response to renaming shell items if the Properties.ShellOptions.TrackShellChanges option is enabled ExpressLibrary B238537 - ...

    DevExpress VCL 13.1.4(v2013vol1.4) 源码-例子-帮助-part1

    Q525331 - TdxShellBreadcrumbEdit incorrectly updates its content in response to renaming shell items if the Properties.ShellOptions.TrackShellChanges option is enabled ExpressLibrary B238537 - ...

Global site tag (gtag.js) - Google Analytics