splatoon 2 server maintenance

. Columns accessed by range, such as Pri_order > Pri_order 3. Columns used in GROUP by or order by. 4. Columns that are not frequently modified. 5, the columns used in the connection operation. Use of non-clustered index (nonclustered indexes) The indexes that SQL Server establishes by default are nonclustered indexes, and because non-clustered indexes do not rearrange the data in the table, they store indexed column values for each row and point to

Article Title: server maintenance: troubleshooting methods under RHEL5 system. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. I. All files under/boot are lost: (grub, kernel, initrd ramdisk) 1. Start with bootdisk and enter the liunx rescue mode. Select local install or

resource usage. A warning occurs if the CPU cannot be CPU or the number of CPUs detected is less than the system configuration.650) this.width=650; "Src=" http://images2015.cnblogs.com/blog/832221/201611/832221-20161116113631076-2061216236. PNG "style=" border:0px; "/>Network environment1. On the System-hardware page, you can view the details of the material card.650) this.width=650; "Src=" http://images2015.cnblogs.com/blog/832221/201611/832221-20161116115544060-1189839223. PNG "width=" "heigh

The article summarizes about 20 common commands related to Linux server maintenance. If you need them, please refer to this article. Vi Delete empty rows : G/^ s * $/d Find the file in the directory that contains the specified string Find./-name '*. conf' | xargs grep-in "baidu.com.demo.upall.cn"# Note: "baidu.com.demo.upall.cn" is the string to be searched.# This command is used to quickly locate the name

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

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

, you can view the physical memory details. 　　 3. Analyze Memory Pressure Memory pressure can be diagnosed by "performance counters" (See: System Memory Pressure analysis) 　　Processor condition1. View the server CPU graphically in the "Overview" or "Performance counters" page of the SQL expert cloud. Whether 2.CPU can be fully identified or used The check items-all or environment page provides a holistic

Label:--Maintenance Database----Stored procedure (procedure)----Overview： 　　 A stored procedure for SQl serve is a collection of one or more T-SQL statements。 Common program code Snippets are often created as stored procedures that create multiple invocations at once, simplifying the programmer's work and reducing the network traffic that interacts with the server. Stored procedures can contain program stat

=pc.index_idWHEREPs.avg_fragmentation_in_percent> Ten andIx.name is not NULL Execution Result:Execute the generated SQL statement:ALTER INDEX [PK__GD_MOVEB__1489BC61D65FF2AA] on [dbo].[Gd_movebarcode_detail]REBUILDGoALTER INDEX [Pk_branchstylealldata] on [dbo].[Branchstylealldata]REORGANIZEGoALTER INDEX [pk_pubbranchlocation_1] on [dbo].[pubbranchlocation]REBUILDGo5. Rebuilding the entire library's statisticsExec sp_updatestats;6. View SQL statement execution time, CPU usageSET STATISTICS

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

internal fragmentation. Regardless of the effect of the fill factor factor, when index is established, the index structure is logically contiguous, and each index page is stored full and fully utilized. The delete operation causes the index page to be idle; in the External fragmentation example, page split at the insert operation also causes the index page to appear idle.Severe internal fragmentation, causing the index page to occupy much larger storage space than is actually required. The inde

Article title: Linux security strategy server and network equipment maintenance. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. At present, many small and medium users are constantly updating or upgrading their networks due to business development, which leads to great