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在数据库内创建的每个对象(约束、默认值、日志、规则、存储过程等)在表中占一行。只有在 tempdb 内,每个临时对象才在该表中占一行。 列名数据类型描述 namesysname 对象名。 Idint 对象标识号。 xtypechar(2) 对象类型。可以是下列对象类型中的一种: C=C

在数据库内创建的每个对象(约束、默认值、日志、规则、存储过程等)在表中占一行。只有在 tempdb 内,每个临时对象才在该表中占一行。 

列名 数据类型 描述 

name sysname 对象名。 

Id int 对象标识号。 

xtype char(2) 对象类型。可以是下列对象类型中的一种: 

C = CHECK 约束 

F = FOREIGN KEY 约束 

L = 日志 

FN = 标量函数 

IF = 内嵌表函数 

P = 存储过程 

RF = 复制筛选存储过程 

S = 系统表 

TF = 表函数 

TR = 触发器 

U = 用户表 

V = 视图 

X = 扩展存储过程 

info smallint 保留。仅限内部使用。 

status int 保留。仅限内部使用。 

base_schema_ 

ver int 保留。仅限内部使用。 

replinfo int 保留。供复制使用。 

crdate datetime 对象的创建日期。 

schema_ver int 版本号,该版本号在每次表的架构更改时都增加。 

stats_schema_ 

ver int 保留。仅限内部使用。 

type char(2) 对象类型。可以是下列值之一: 

C = CHECK 约束 

F = FOREIGN KEY 约束 

FN = 标量函数 

IF = 内嵌表函数 

L = 日志 

P = 存储过程 

R = 规则 

RF = 复制筛选存储过程 

S = 系统表 

TF = 表函数 

TR = 触发器 

U = 用户表 

V = 视图 

X = 扩展存储过程 

userstat smallint 保留。 

sysstat smallint 内部状态信息。 

indexdel smallint 保留。 

refdate datetime 留作以后使用。 

version int 留作以后使用。 

deltrig int 保留。 

instrig int 保留。 

updtrig int 保留。 

seltrig int 保留。 

category int 用于发布、约束和标识。 

cache smallint 保留。    

 

可以很方便的用 

select * from sysobjects where xtype='TR' and parent_obj=object_id('表名') 

查出表的信息

 

syscolumns表内的xtype

 

 

xtype=34 'image' 

xtype= 35 'text' 

xtype=36 'uniqueidentifier' 

xtype=48 'tinyint' 

xtype=52 'smallint' 

xtype=56 'int' 

xtype=58 'smalldatetime' 

xtype=59 'real' 

xtype=60 'money' 

xtype=61 'datetime' 

xtype=62 'float' 

xtype=98 'sql_variant' 

xtype=99 'ntext' 

xtype=104 'bit' 

xtype=106 'decimal' 

xtype=108 'numeric' 

xtype=122 'smallmoney' 

xtype=127 'bigint' 

xtype=165 'varbinary' 

xtype=167 'varchar'

 

xtype=173 'binary' 

xtype=175 'char' 

xtype=189 'timestamp' 

xtype=231 'nvarchar'

 

xtype=239 'nchar' 

xtype=241 'xml' 

xtype=231 'sysname'

 

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