MSSQL classic statements

Source: Internet
Author: User

1. sort by strokes of the Last Name:
Select * From TableName Order By CustomerName Collate Chinese_PRC_Stroke_ci_as

2. database encryption:
Select encrypt ('original password ')
Select pwdencrypt ('original password ')
Select pwdcompare ('original password', 'encrypted password') = 1 -- same; otherwise, different encrypt ('original password ')
Select pwdencrypt ('original password ')
Select pwdcompare ('original password', 'encrypted password') = 1 -- same; otherwise, different

3. Retrieve the fields in the table:
Declare @ list varchar (1000), @ SQL nvarchar (1000)
Select @ list = @ list + ',' + B. name from sysobjects a, syscolumns B where a. id = B. id and a. name = 'table'
Set @ SQL = 'select' + right (@ list, len (@ list)-1) + 'from table'
Exec (@ SQL)

4. View hard disk partitions:
EXEC master .. xp_fixeddrives

5. Compare whether tables A and B are equal:
If (select checksum_agg (binary_checksum (*) from)
=
(Select checksum_sum( binary_checksum (*) from B)
Print 'Equality'
Else
Print 'unequal'

6. Kill all event Inspector processes:
DECLARE hcforeach cursor global for select 'Kill '+ RTRIM (spid) FROM master. dbo. sysprocesses
WHERE program_name IN ('SQL filer', n' SQL event profiler ')
EXEC sp_msforeach_worker '? '

7. Record Search:
Starting with N records
Select Top N * From table
-------------------------------
N to M records (primary index ID required)
Select Top M-N * From table Where ID in (Select Top m id From Table) Order by ID Desc
----------------------------------
N to the end record
Select Top N * From Table Order by ID Desc

8. How to modify the Database Name:
Sp_renamedb 'old _ name', 'new _ name'

9: Get all user tables in the current database
Select Name from sysobjects where xtype = 'U' and status> = 0

10: Get all fields of a table
Select name from syscolumns where id = object_id ('table name ')

11. View views, stored procedures, and functions related to a table
Select a. * from sysobjects a, syscomments B where a. id = B. id and B. text like '% table name %'

12: view all stored procedures in the current database
Select name as stored procedure name from sysobjects where xtype = 'P'

13: Query all databases created by the user
Select * from master .. sysdatabases D where sid not in (select sid from master .. syslogins where name = 'sa ')
Or
Select dbid, name AS DB_NAME from master .. sysdatabases where sid <> 0x01

14: query the fields and Data Types of a table
Select column_name, data_type from information_schema.columns
Where table_name = 'table name'

[N]. [title]:
Select * From TableName Order By CustomerName

[N]. [title]:
Select * From TableName Order By CustomerName

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