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--显示所有用户表：
--1
SELECT
SCHEMA_NAME(schema_id) As
SchemaName ,
name
As TableName
from sys.tables
ORDER BY
name
--2。alternate:
SELECT
sch.name
As SchemaName ,
tbl.name
As TableName
from sys.tables tbl
inner join sys.schemas sch on
tbl.schema_id = sch.schema_id
ORDER BY tbl.name
---3。
SELECT
SCHEMA_NAME(schema_id) As
SchemaName
,name
As TableName
FROM
sys.objects
WHERE
type = ‘U‘
---4。
SELECT
‘[‘+SCHEMA_NAME(schema_id)+‘].[‘+name+‘]‘
AS SchemaTable
FROM sys.tables
--5。顯示所有錶，并有創建和更新情況
SELECT
*
FROM sys.Tables
GO
--6.
SELECT
TABLE_NAME FROM
INFORMATION_SCHEMA.TABLES WHERE
TABLE_TYPE=‘BASE TABLE‘
--7.查指定的表的详细，字段名和字段类型
select
*
from INFORMATION_SCHEMA.COLUMNS
where TABLE_NAME=‘PlatformList‘
--8
PRINT OBJECT_DEFINITION(OBJECT_ID(‘sys.objects‘))
IF OBJECT_ID(‘dbo.PlatformList‘, ‘U‘) IS
NOT
NULL
--查询表PlatformList有字段含字母P的
exec sp_columns PlatformList, @column_name = ‘P%‘
--9查询表PlatformList的字段详情
exec sp_columns PlatformList
--10
SELECT
*
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = ‘PlatformList‘;
---11
EXEC sp_help PlatformList;
--12
DECLARE
@AllTables table
(CompleteTableName nvarchar(4000))
DECLARE
@Search nvarchar(4000)
,@SQL nvarchar(4000)
SET @Search=null
--all rows
SET @SQL=‘select @@SERVERNAME+‘‘.‘‘+‘‘?‘‘+‘‘.‘‘+s.name+‘‘.‘‘+t.name from [?].sys.tables t inner join sys.schemas s on t.schema_id=s.schema_id WHERE @@SERVERNAME+‘‘.‘‘+‘‘?‘‘+‘‘.‘‘+s.name+‘‘.‘‘+t.name LIKE ‘‘%‘+ISNULL(@SEARCH,‘‘)+‘%‘‘‘
INSERT
INTO @AllTables (CompleteTableName)
EXEC
sp_msforeachdb @SQL
SET NOCOUNT OFF
SELECT
* FROM @AllTables ORDER
BY 1
--13
SELECT
s.NAME + ‘.‘ + t.NAME AS TableName
FROM sys.tables t
INNER JOIN sys.schemas s
ON
t.schema_id = s.schema_id
---14
Select
* from information_schema.columns where
Table_name = ‘PlatformList‘
--
SELECT
COLUMN_NAME,*
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = ‘PlatformList‘
--15
SELECT
st.NAME, sc.NAME, sc.system_type_id
FROM sys.tables st
INNER JOIN sys.columns sc ON
st.object_id = sc.object_id
WHERE st.name LIKE ‘%PlatformList%‘
--16
select
syscolumns.name
as [Column],
syscolumns.xusertype as
[Type],
sysobjects.xtype as
[Objtype]
from
sysobjects, syscolumns
where sysobjects.id = syscolumns.id
and
sysobjects.xtype = ‘u‘
and
sysobjects.name
= ‘PlatformList‘
order by syscolumns.name
--17
SELECT
*
FROM
syscolumns
WHERE
id=OBJECT_ID(‘PlatformList‘)
--18
sp_columns @table_name=PlatformList
--19
select
syscolumns.name,
syscolumns.colid
from
sysobjects, syscolumns
where
sysobjects.id = syscolumns.id and
sysobjects.xtype = ‘u‘
and
sysobjects.name
= ‘PlatformList‘
order
by syscolumns.colid
--20查詢錶結構
SELECT
c.name
‘Column Name‘,
t.Name
‘Data type‘,
c.max_length ‘Max Length‘,
c.precision
,
c.scale ,
c.is_nullable,
ISNULL(i.is_primary_key, 0) ‘Primary Key‘
FROM
sys.columns c
INNER
JOIN
sys.types t ON
c.user_type_id = t.user_type_id
LEFT OUTER
JOIN
sys.index_columns ic ON
ic.object_id = c.object_id AND
ic.column_id = c.column_id
LEFT OUTER
JOIN
sys.indexes i ON
ic.object_id = i.object_id AND
ic.index_id = i.index_id
WHERE
c.object_id = OBJECT_ID(‘PlatformList‘)
--21数据库名PersonalCRM，表名：PersonalCRM
SELECT
col.TABLE_CATALOG AS
PersonalCRM
, col.TABLE_SCHEMA AS
Owner
, col.TABLE_NAME AS
TableName
, col.COLUMN_NAME AS
ColumnName
, col.ORDINAL_POSITION AS
OrdinalPosition
, col.COLUMN_DEFAULT AS
DefaultSetting
, col.DATA_TYPE AS
DataType
, col.CHARACTER_MAXIMUM_LENGTH AS
MaxLength
, col.DATETIME_PRECISION AS
DatePrecision
, CAST(CASE
col.IS_NULLABLE
WHEN
‘NO‘ THEN
0
ELSE
1
END
AS bit)AS
IsNullable
, COLUMNPROPERTY(OBJECT_ID(‘[‘
+ col.TABLE_SCHEMA + ‘].[‘
+ col.TABLE_NAME + ‘]‘), col.COLUMN_NAME, ‘IsIdentity‘)AS
IsIdentity
, COLUMNPROPERTY(OBJECT_ID(‘[‘
+ col.TABLE_SCHEMA + ‘].[‘
+ col.TABLE_NAME + ‘]‘), col.COLUMN_NAME, ‘IsComputed‘)AS
IsComputed
, CAST(ISNULL(pk.is_primary_key, 0)AS
bit)AS
IsPrimaryKey
FROM
INFORMATION_SCHEMA.COLUMNS AS
col
LEFT
JOIN(SELECT
SCHEMA_NAME(o.schema_id)AS
TABLE_SCHEMA
, o.name
AS TABLE_NAME
, c.name
AS COLUMN_NAME
, i.is_primary_key
FROM
sys.indexes AS
i JOIN sys.index_columns AS
ic ON i.object_id = ic.object_id
AND
i.index_id = ic.index_id
JOIN
sys.objects AS
o ON i.object_id = o.object_id
LEFT
JOIN sys.columns AS
c ON ic.object_id = c.object_id
AND
c.column_id = ic.column_id
WHERE
i.is_primary_key = 1)AS
pk ON col.TABLE_NAME = pk.TABLE_NAME
AND
col.TABLE_SCHEMA = pk.TABLE_SCHEMA
AND
col.COLUMN_NAME = pk.COLUMN_NAME
WHERE
col.TABLE_NAME = ‘PlatformList‘
AND
col.TABLE_SCHEMA = ‘dbo‘
ORDER
BY col.TABLE_NAME, col.ORDINAL_POSITION;
--22
SELECT
COLUMN_NAME ‘All_Columns‘
FROM INFORMATION_SCHEMA.COLUMNS WHERE
TABLE_NAME=‘PlatformList‘
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