fortnight server maintenance

that the ownership of the index key is unique, be sure to define the index as a unique index.4. When indexing on a table that often inserts operations, use the FILLFACTOR (fill factor) to reduce page splits, while increasing concurrency to reduce deadlocks. If you are indexing on a read-only table, you can set the FILLFACTOR to 1005. When selecting the index key, try to select those with small data types as keys, so that each index page can accommodate as many index keys and pointers as possibl

netcom, in the management-Database Mail set its good, want to have SMS prompt, need 136 mobile mailbox, in the settings can be opened. To send messages automatically, you need to have the alert system-mail profile enabled in the Mail agent properties.30. The Messenger service enables the database to be automatically net send to another computer. Then in cmd you can net send 192.168.1.5 Fdfas. The operator automatically sends information to the operator when the job is completed when it is autom

Summary of SQL SERVER partition tables-Maintenance and Management of partition tables After creating a partition table as required, you must manage and maintain the partition table. The main content is: 1. Use the Sliding Window Scenario solution to split partition tables and data moving intermediate tables. 2. Structure Change Management of Partitioned Tables. Of course, the above two points are both theo

1. DBCC ShowcontigDisplays fragmentation information for the data and indexes of the specified table. When you make a large number of modifications to a table or add data, execute this statement to view fragmentation information for the specified table or the data and index that is being displayed, whether it is fragmented or not.Its syntax format:DBCCShowcontig[({table_name | table_id | view_name | view_id} [, Index_name | index_id] ) ] [with {[, [All_indexes] ] [, [Tableresults] ]

you build an index on a read-only table, you can set the FILLFACTOR to 100. (6) When selecting index keys, try to select those with small data types as keys so that each index page can hold as many key and pointers as possible, in this way, you can make a query must traverse the index page to minimize. Also, use integers as key values whenever possible, because it provides access faster than any data type. V. Maintenance of the Index As mentioned abo

options Minimum--Minimum value for configuration options Maximum--Maximum value of configuration options Value_in_use--The running value currently used by the configuration option Description--Description of configuration options Is_dynamic--equals 1 indicates a variable that needs to execute the reconfiguration statement to take effect Is_anvanced--equals 1 indicates a variable that requires the show advanced statement to take effect --You can also use sp_configure to

when using SQL Server High availability features, for example,the XenDesktop site database uses the full transaction logging mode to run database mirroring. transaction logs that run through the full transaction logging mode grow too large until the database space is filled or the transaction log space size is filled. If the transaction log files are not monitored,the configuration log file for SQL Server

Tags: database Add delete Modify index foreign key columnSummary of MySQL, SQL Server, Oracle Three database maintenance indexes, foreign keys, field syntax1. mysql database 1) Create an indexCREATE INDEX index_name on table_name (column_list)CREATE UNIQUE INDEX index_name on table_name (column_list)To modify a table by adding an indexALTER TABLE table_name ADD INDEX index_name (column_list)ALTER TABLE tabl

The most comprehensive installation and maintenance guide for IBMSystemx3650 server in history [register an award-winning IBM backpack]-Linux Enterprise Application-Linux server application information. The following is a detailed description. The most comprehensive IBM System x3650 installation and maintenance guide

I configured the following:One months perform a full backup database and delete the backup file three months ago. Perform a differential backup every day, deleting one months of money back up files.1. Management-Maintenance plan right-new maintenance plan2. Create a sub-plan3. Configure job Schedule properties (execution time) separately4. Add the Backup Database task and the Purge history task for the chil

non-overwrite update, it will cause the movement of the data rows during the page splitting process:(1) The move of the clustered index has no effect on the nonclustered index, because the key value of the clustered index is stored in the nonclustered index, and the split does not change the key value;(2) The data page in the heap table splits, leaving a forward pointer at the original record to tell the nonclustered index where to find the new record;So the movement of data rows does not cost

. After the certificate is imported, access is successful with the CAS client! Returns the protected address after successful login. Note: If the CAS client does not import the certificate, the CAS client program will end the execution with a certificate exception. The contents of the CAS client will be included in subsequent articles. 1.2 configuration when the CAS client type is HTTPS Application Follow up on subsequent articles 2. Assume that the CAS se