from http://blog.sqlauthority.com/2010/07/04/sql-server-index-levels-page-count-record-count-and-dmv- sys-dm_db_index_physical_stats/ In the recentQuery Tuningproject, one of the developers who were helping me out in the project asked me if there is any way that he could know how ma...
DataSet ds=DbHelperSQL.Query(querySql);if(ds ==null|| ds.Tables ==null|| ds.Tables.Count <1|| ds.Tables[0].Rows ==null|| ds.Tables[0].Rows.Count <1)return;intrecordCount =0;int.TryParse(ds.Tables[0].Rows[0]["Co"].ToString(),outrecordCount);if(recordCount <1)return;intpageC...
(rowData.fIsColumnSet),0, DBTYPE_BOOL, 0, 0} }; DBCOUNTITEM iRow; BSTR bstrTable = SysAllocString(L"tbl_sparse_test"); CHECK_NOT_NULL(bstrTable); tagVARIANT rgRestrictions[3]; VariantInit(rgRestrictions); VariantInit(rgRestrictions+1); VariantInit(rgRestrictions+2);...
Data file(record): Age<tab>Lastname<tab>Firstname<return> 在<RECORD>元素中,格式檔案是以字元資料來表示這三個欄位內的資料值。 在<ROW>元素中,格式檔案會將資料行Age對應到第一個欄位、資料行FirstName對應到第三個欄位,以及資料行LastName對應到第二個欄位。
You can't specify type_name for existing columns of partitioned tables. type_name can be any one of the following types: A SQL Server system data type. An alias data type based on a SQL Server system data type. You create alias data types with the CREATE TYPE statement before they can...
This chapter provides descriptions for all Microsoft SQL Server metric categories, and the tables list and describe associated metrics for each category. Shaded rows represent key columns for a particular category.Viewing Metrics Access Methods Active SQL Cluster Node Agent Status Associated Services...
本文是微软的译文,对应的原文是:https://www.red-gate.com/simple-talk/sql/database-administration/migrating-disk-based-table-memory-optimized-table-sql-server/ 以前称为Hekaton的特性,现在是内存中的OLTP,可以提供非常有用的性能提升,您可以仔细地选择表来进行内存优化。如何将现有表转换为内存优化的表呢?这个...
Then we could both graph and record our blocked processes count using the normal Windows Performance Counter framework. You can devise your own mechanism which logs or alerts you based on polling this value.If this value ever gets too high (which depends on your users, database, and ...
(4725, 'Advanced Workshop in Poetry', 5) ); num_changed INTEGER; BEGIN SELECT COUNT (*) INTO num_changed FROM TABLE (CAST (revised AS courselist)) NEW, TABLE (SELECT courses FROM department WHERE NAME = 'English') OLD WHERE NEW.course_no = OLD.course_no AND (NEW.title != OLD....
@@ServerName returns wrong value in SQL SERVER 2008 ##TempTable and INSERT-SELECT FROM an existing Table with an IDENTITY column %rowtype equivalent in SQL server ++ operator in TSQL - bug or feature? 2 tables referencing each other using foreign key.is it possible 2 transactions in one sto...