Pattern:SQL Pattern。 AccessIP:客户端 IP。 User:用户名。 QueryCount:查询总数。 AvgPeakMemory:平均峰值内存,单位:KB。 MaxPeakMemory:最大峰值内存,单位:KB。 AvgCpuTime:平均计算耗时,单位:ms。 MaxCpuTime:最大计算耗时,单位:ms。 AvgStageCount:平均 Stage 个数。 MaxStageCount:最大 Stage 个数。 Av...
Pattern:SQL Pattern。 AccessIP:客户端 IP。 User:用户名。 QueryCount:查询总数。 AvgPeakMemory:平均峰值内存,单位:KB。 MaxPeakMemory:最大峰值内存,单位:KB。 AvgCpuTime:平均计算耗时,单位:毫秒(ms)。 MaxCpuTime:最大计算耗时,单位:毫秒(ms)。 AvgStageCount:平均 Stage 个数。 MaxStageCount:最大 Sta...
SMO C# for In-Memory How-to guides Partitions Plan guides Query Store Query Tuning Assistant Resource governor Statistics Query data Reporting & Analytics Security Tools Tutorials SQL Server on Linux SQL on Azure Azure Arc Big Data Clusters Resources Reference Down...
* @return bool Returns `true` on success, `false` otherwise */publicfunctionupdate($id,$name){$stmt=$this->con->prepare(<<<SQLUPDATEbananasSETname=:nameWHEREid=:idSQL);$stmt->bindValue(':id',$id);$stmt->bindValue(':name',$name);return$stmt->execute();} delete操作 代码语言:javascr...
Because a regular expression pattern matches if it occurs anywhere in the value, it is not necessary in the previous query to put a wildcard on either side of the pattern to get it to match the entire value as would be true with an SQL pattern. ...
Query Object模式 Query Object:可以在领域服务层构造查询然后传给资源库使用,并使用某种查询翻译器将对象查询(Query)翻译成底层数据库持久化框架可以理解的查询(即翻译成一条Sql 语句)。而Query Object即可以理解为表示数据库查询的对象。且可以构造任意查询,然后传给Repository。Query Object模式的主要好处是它完全将底...
Semistructured data in Amazon Redshift Machine learning Query performance tuning Workload management Database security SQL reference Amazon Redshift SQL Using SQL SQL reference conventions Basic elements Expressions Conditions Comparison condition Logical conditions Pattern-matching conditions LIKE SIMILAR TO POS...
Get the group property: The zero-based ordinal of the matching group in the regular expression pattern to extract into tokens. Use -1 if you want to use the entire pattern to split the input into tokens, irrespective of matching groups. Default is -1. Returns: the group value. getOdataTy...
sqlserver.sql_text,sqlserver.username)),ADDEVENT qds.automatic_tuning_error(ACTION(sqlserver.client_app_name,sqlserver.client_hostname,sqlserver.compile_plan_guid,sqlserver.database_name,sqlserver.plan_handle,sqlserver.query_hash,sqlserver.query_plan_hash,sqlserver.sessio...
Add Time in SQL HH:MM:SS to another HH:MM:SS Adding a column to a large (100 million rows) table with default constraint adding a extra column in a pivot table created uisng T-SQL Pivot Table query Adding a partition scheme to an existing table. Adding a Value to a 'date' Column...