SQL如何获取表结构

小编给大家分享一下SQL如何获取表结构，相信大部分人都还不怎么了解，因此分享这篇文章给大家参考一下，希望大家阅读完这篇文章后大有收获，下面让我们一起去了解一下吧！

set arg=wscript.arguments
If arg.count = 0 Then
show_help()
wsh.quit
End If
Server = arg(0)
User = arg(1)
pass = arg(2)
database_name = arg(3)
table_name = arg(4)
set Conn = CreateObject("ADODB.Connection")
Conn.Open "Driver={SQL Server};Server=" & Server & ";UID=" & User & ";PWD=" & Pass & ";Database=" & database_name
Set rs = conn.execute("select count(*) as n from " & database_name & ".dbo.sysobjects where id = object_id(N[dbo].[" & table_name & "])")
if rs("n") <=0 Then
wsh.echo "table have???"
wsh.quit
End If
sql1="use " &database_name & ";select count(column_name) from information_schema.columns where table_name=" & table_name & ""
set rs1=conn.execute(sql1)
num = rs1(0)
rs1.close
Set rs1 = Nothing
i = 1
sql2="use " &database_name & ";select column_name,data_type,IS_NULLABLE,character_octet_length,collation_name,domain_name from information_schema.columns where table_name=" & table_name & " order by ordinal_position"
wsh.echo sql2

set rs2=conn.execute (sql2)
wsh.echo "if exists (select * from dbo.sysobjects where id = object_id(N[dbo].[" & table_name & "]) and OBJECTPROPERTY(id, NIsUserTable) = 1)"
wsh.echo "drop table [dbo].[" & table_name & "]"
wsh.echo "GO"
wsh.echo "CREATE TABLE [dbo].[" & table_name & "] ("
do while not rs2.eof
col_dn = rs2("domain_name")
col_name = rs2("column_name")
col_type = rs2("data_type")
col_len = rs2("character_octet_length")
col_an = rs2("collation_name")
col_is = rs2("IS_NULLABLE")
sql = chr(9)&"[" & col_name & "] "
If col_dn = "id" Then
sql = sql & col_dn &" "
Else

sql = sql & "[" & col_type & "] "
If col_len <> "" Then
sql = sql & "(" & col_len & ") "
End If
If col_an <> "" Then
sql = sql & "COLLATE " & col_an
End If
End If

If col_is = "No" Then
sql = sql & " NOT NULL "
Else
sql = sql & " NULL "
End If
If i = num Then
sql = sql & Chr(13)&Chr(10)&") ON [PRIMARY]"
Else
sql = sql & ","
End If
i = i +1
wsh.echo sql
rs2.movenext
loop
wsh.echo "GO"
rs2.close
Set rs2 = Nothing
conn.close
Set conn=Nothing
Sub show_help()
wsh.echo "code by N37P47ch "
wsh.echo "cscript show_table.vbs ip user pass database table"
End Sub

以上是“SQL如何获取表结构”这篇文章的所有内容，感谢各位的阅读！相信大家都有了一定的了解，希望分享的内容对大家有所帮助，如果还想学习更多知识，欢迎关注亿速云行业资讯频道！