query.hlp

是一个经济学管理应用软件 很难找的 但是经济学学生又必须用到

{smcl}
{* 21mar2005}{...}
{cmd:help query}, {cmd:help set}{right:dialog:  {bf:{dialog query}}}
{hline}

{title:Title}

{p2colset 5 18 20 2}{...}
{p2col :{hi:[R] query} {hline 2}}Display system parameters{p_end}
{p2col 5 16 18 2:{hi:[R] set} {hline 2}}Overview of system parameters{p_end}
{p2colreset}{...}


{title:Syntax}

{p 8 12 2}{cmd:set} [{it:setcommand ...}]

{p 8 16 2}{cmdab:q:uery} [ {opt mem:ory} | {opt out:put} |
		{opt inter:face} | {opt graph:ics} |
		{opt eff:iciency} | {opt net:work} | {opt up:date} |
		{opt trace} | {opt oth:er} ]


{center:For info. on            See           }
{center:{hline 38}}
{center:{cmd:set adosize}             {help adosize}       }
{center:{cmd:set checksum}            {help checksum}      }
{center:{cmd:set conren}              {help conren}        }
{center:{cmd:set copycolor}           {help set_printcolor}}
{center:{cmd:set dockable}            {help dockable}      }
{center:{cmd:set dockingguides}       {help dockingguides} }
{center:{cmd:set dp}                  {help format}        }
{center:{cmd:set eolchar}             {help eolchar}       }
{center:{cmd:set floatresults}        {help floatresults}  }
{center:{cmd:set floatwindows}        {help floatwindows}  }
{center:{cmd:set fastscroll}          {help fastscroll}    }
{center:{cmd:set graphics}            {help set_graphics}  }
{center:{cmd:set httpproxy}           {help netio}         }
{center:{cmd:set httpproxyauth}       {help netio}         }
{center:{cmd:set httpproxyhost}       {help netio}         }
{center:{cmd:set httpproxyport}       {help netio}         }
{center:{cmd:set httpproxypw}         {help netio}         }
{center:{cmd:set httpproxyuser}       {help netio}         }
{center:{cmd:set icmap}               {help icmap}         }
{center:{cmd:set level}               {help level}         }
{center:{cmd:set linegap}             {help linegap}       }
{center:{cmd:set linesize}            {help log}           }
{center:{cmd:set locksplitters}       {help locksplitters} }
{center:{cmd:set logtype}             {help log}           }
{center:{cmd:set macgphengine}        {help macgphengine}  }
{center:{cmd:set matastrict}          {help mata set}      }
{center:{cmd:set matalnum}            {help mata set}      }
{center:{cmd:set mataoptimize}        {help mata set}      }
{center:{cmd:set matafavor}           {help mata set}      }
{center:{cmd:set matacache}           {help mata set}      }
{center:{cmd:set matalibs}            {help mata set}      }
{center:{cmd:set matamofirst}         {help mata set}      }
{center:{cmd:set matsize}             {help matsize}       }
{center:{cmd:set maxdb}               {help db}            }
{center:{cmd:set maxiter}             {help maximize}      }
{center:{cmd:set maxvar}              {help SpecialEdition}}
{center:{cmd:set memory}              {help memory}        }
{center:{cmd:set more}                {help more}          }
{center:{cmd:set obs}                 {help obs}           }
{center:{cmd:set output}              {help quietly}       }
{center:{cmd:set pagesize}            {help more}          }
{center:{cmd:set piccomments}         {help piccomments}   }
{center:{cmd:set persistfv}           {help persistfv}     }
{center:{cmd:set persistvtopic}       {help persistvtopic} }
{center:{cmd:set printcolor}          {help set_printcolor}}
{center:{cmd:set reventries}          {help reventries}    }
{center:{cmd:set revwindow}           {help revwindow}     }
{center:{cmd:set rmsg}                {help rmsg}          }
{center:{cmd:set scheme}              {help set_scheme}    }
{center:{cmd:set scrollbufsize}       {help scrollbufsize} }
{center:{cmd:set searchdefault}       {help search}        }
{center:{cmd:set seed}                {help generate}      }
{center:{cmd:set smalldlg}            {help smalldlg}      }
{center:{cmd:set smoothfonts}         {help smoothfonts}   }
{center:{cmd:set smoothsize}          {help smoothfonts}   }
{center:{cmd:set timeout1}            {help netio}         }
{center:{cmd:set timeout2}            {help netio}         }
{center:{cmd:set trace}               {help trace}         }
{center:{cmd:set tracedepth}          {help trace}         }
{center:{cmd:set traceexpand}         {help trace}         }
{center:{cmd:set tracehilite}         {help trace}         }
{center:{cmd:set traceindent}         {help trace}         }
{center:{cmd:set tracenumber}         {help trace}         }
{center:{cmd:set tracesep}            {help trace}         }
{center:{cmd:set type}                {help generate}      }
{center:{cmd:set update_interval}     {help update}        }
{center:{cmd:set update_prompt}       {help update}        }
{center:{cmd:set update_query}        {help update}        }
{center:{cmd:set varabbrev}           {help varabbrev}     }
{center:{cmd:set varlabelpos}         {help varlabelpos}   }
{center:{cmd:set varwindow}           {help varwindow}     }
{center:{cmd:set virtual}             {help memory}        }
{center:{cmd:set xptheme}             {help xptheme}       }
{center:{hline 38}}

{pstd}{cmd:set} typed without arguments is equivalent to {cmd:query}
typed without arguments.

{pstd}To reset to the factory defaults, see {helpb set_defaults}.


{title:Description}

{pstd}
{cmd:set} sets the values of various system parameters.

{pstd}
{cmd:query} displays the settings of various Stata parameters.

{pstd}
{cmd:query memory} displays memory-related system parameters.
{cmd:query output} displays parameters related to output.
{cmd:query efficiency} displays efficiency parameters.
{cmd:query network} displays network-related system parameters.
{cmd:query trace} displays parameters related to program debugging and tracing.
{cmd:query other} displays other system parameters.
{cmd:query} without argument displays all of these sets of parameters.

{pstd}
System parameters can be obtained from the constant and current-value class
{cmd:c()}; see {helpb creturn}.


{title:Example}

    {cmd:. query memory}

    {cmd:. set matsize 200}

    {cmd:. query}


{title:Also see}

{psee}
Manual:  {bf:[R] query}

{psee}
Online:  {helpb creturn}, {helpb db}, {helpb format}, {helpb generate},
{helpb level}, {help limits},
{helpb log}, {helpb matsize}, {helpb memory}, {helpb more}, {helpb netio},
{helpb rmsg}, {helpb search}, {helpb set_defaults}, 
{helpb sysdir}, {helpb trace}, {helpb view}
{p_end}