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. Replacement_value must have the same type as check_expresssion.3, return valueReturns the value of the expression if check_expression is not NULL, otherwise return replacement_value.4. Common situation
ISNULL (@VaribleName, ' defaultvalue ')ISNULL (column_name, ' Default Value ')Iv. use of SQL Server null values where you need to be aware1, NULL and any operator operations are nullNormal values are gener
The following is an example of SQL Server full-text index. For more information about how to create a full-text index using the system stored procedure, see: 1) Start the full-text processing function of the database (sp_fulltext_database) 2) create a full-text directory (sp_fulltext_catalog) 3) register in the full-text directory
The following is an
I. Application scenarios:
1) The execution script of the job is used when two databases are synchronized at regular intervals using the job;
2) execute scripts for manual data synchronization.
Ii. Example:
Use localdatabasename;
Go
-- Create a linked server
If not exists (select * From SYS. servers where name = 'remoteserver ')
Begin
Exec sp_addmediaserver 'deleteserver', '', 'sqlncl', 'xx. XX. xx'
End
Go
server| Chinese Characters | Simplified reproduction | Data SQL Server 2000 The example of Chinese character data conversion (com,.net)
First verify that the. Net Framework 1.1 is installed on Windows (the server side of the SQL
Cursor Is a database query stored on the DBMS server. It is not a SELECT statement, but a result set retrieved by this statement. After the cursor is stored, the application can scroll or browse the data as needed.
Use cursor
To use a cursor:
Before using a cursor, you must declare (define) it. This process does not actually retrieve data. It only defines the SELECT statement and cursor options to be used.Once declared, you must open the cursor for us
Import SQL server data into Mysql database using php (example)
// Connect to the SQL server database
$ Conn = mssql_connect ("localhost", "sa", ""); // server name, user name, and password
SQL Server implements the split function to split strings and Its Usage example. sqlsplit
This article describes how to use SQL Server to split strings using the split function. We will share this with you for your reference. The details are as follows:
/* Function name: f
used to locate a particular character in the string position, that is, the function
The resulting result is a number that represents the position of a particular character. Execute the following code:
Select Room_stand=substring (Roomno,charindex, Roomno) +1,charindex (' Room ', Roomno)-charindex (' Yuan ', Roomno)-1)
From Property_room
Results:
The above is a small set of SQL Server to
, status 0, procedure TT1, 17th rowsThe insert statement conflicts with the check constraint "T1. This conflict occurs in the Database "test", table "DBO. Salary", column 'salary '.The statement has been terminated.
(One row is affected)
No output in the result 111 indicates that the stored procedure is not executed.
Test environment: SQL Server 2005 Express
This is another
Usage Scenario: When you need to access data from another SQL Server database from an Oracle database, Oracle provides a tool: gateways. With this tool, you can create dblink to connect to SQL Server or a different company's database----depending on the options you install.
After you install gateways, you can create d
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0000 1000
Custom functions:
Create function dbo. JudgeBit(@ CombinedValue Tinyint, @ BitPosition Tinyint)RETURNS BitASBEGINRETURN @ combinedValue POWER (2, @ BitPosition-1)END
-- @ CombinedValue Original Value (10 hexadecimal), for example: 170
-- @ BitPosition: number of digits, for example, 4
-- The return value is 0 or 1.
Iv. assignment:
(1) set a person to 1
You
SQL Server 2000 Simplified Chinese Character Data Transformation Example (com,.net)
First verify that the. Net Framework 1.1 is installed on Windows (the server side of the SQL Server, of course)!
Confirm after successful installa
A few days ago, my colleague asked me how to convert a field value to a column. I wrote a simple Demo to share it. The Code is as follows: -- create a test table and add Test Data createtable # temp (amoney, bvarchar (10) * insertinto # temp (a, B) values () insert
A few days ago, a colleague asked me how to convert a field value to a column. I wrote a simple Demo to share it. The Code is as follows: -- create a test table and add Test Data create table # temp (a money, B varchar (10)/* insert i
Recently, when the artificial intelligence engine was built, the following example was released: \ Program Files \ Microsoft SQL Server \ mssql.2 \ MSSQL \ data \ master. MDF is not in the information-only or case group. It is necessary to solve the issue. "The problem was solved for a long time. Later, at http://huwk.blogspot.com/2006/07/ms-
When you use SQL Server stored procedures or triggers, you typically use custom exceptions to handle some special logic. For example, the cursor is destroyed and the transaction is rolled back. The use of SQL Server custom exceptions will be described in detail next.
Use "R
XML) 2 AS 3 select @d.query(' 4 for $step in /sample1/company 5 return string($step) 6 ') 7 select @d.query ('/sample1/company') 8 return 0;9
Considering that the T-SQL has limited processing capabilities for complex XML operations, you can choose to use CLR stored procedures. This method is mainly based on the stored procedures implemented using Microsoft. NET Framework CLR and stored procedures that support CLR programming, such as
to execute Business data query//////////* Business table name to back up data/* Declare cur_tables cursor FOR select name from sysobjects where 1=1 and type= ' U ' and nam
E like ' wm_order% ' or name like ' wm_picking% ' or name like ' rp_% ' begin try open cur_tables;
FETCH NEXT from cur_tables into @table_name;
While @ @FETCH_STATUS = 0 Begin set @file_name = ';
Set @file_path = '; Set @sql = ' select * from Dhl_posm_ws ... '
+ @table_name;
Set @
The following is an example of a full-text index for SQL Server databases, as in the pubs database. Need a friend under the reference
first, introduce the steps to create a FULL-TEXT index using system stored procedures: 1 ) to start the Full-text processing function of the database (sp_fulltext_database) 2 ) to establish a Full-text catalog (sp_fulltext_c
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