This article introduces how to obtain the names of all tables in a database and the names of all fields in a table. For more information, see.
This article introduces how to obtain the names of all tables in a database and the names of all fields in a table. For more information, see.
1. All Database names in the query:
| The Code is as follows: |
|
| SELECT Name FROM Master... SysDatabases order by Name2. |
Query all the tables in a database:
| The Code is as follows: |
|
| SELECT Name FROM SysObjects Where XType = 'U' order by Name3. |
Query table structure information
| The Code is as follows: |
|
SELECT (case when a. colorder = 1 then d. name else null end) Table name,
A. colorder FIELD No., a. name field name,
(Case when COLUMNPROPERTY (a. id, a. name, 'isidentity ') = 1 then' √ 'else' end) id,
(Case when (SELECT (*) FROM sysobjects
WHERE (name in (SELECT name FROM sysindexes
WHERE (id = a. id) AND (indid in
(SELECT indid FROM sysindexkeys
WHERE (id = a. id) AND (colid in
(SELECT colid FROM syscolumns WHERE (id = a. id) AND (name = a. name )))))))
AND (xtype = 'pk')> 0 then' √ 'else' end) primary key, B. name type, a. length occupies the number of bytes,
COLUMNPROPERTY (a. id, a. name, 'precision ') as length,
Isnull (COLUMNPROPERTY (. id,. name, 'Scale'), 0) as decimal places, (case when. isnullable = 1 then' √ 'else' end) Allow null,
Isnull (e. text, '') default value, isnull (g. [value],'') AS [description]
FROM syscolumns
Left join policypes B on a. xtype = B. xusertype
Inner join sysobjects d on a. id = d. id and d. xtype = 'U' and d. name <> 'dtproperties'
Left join syscomments e on a. cdefault = e. id
Left join sys. extended_properties g on a. id = g. major_id AND a. colid = g. minor_id
Left join sys. extended_properties f on d. id = f. class and f. minor_id = 0
Where B. name is not null
-- WHERE d. name = 'table to be query' -- this condition is added if only the specified table is queried.
Order by a. id, a. colorder |
