SQL_SQ_INSQL_SQ_QUANTIFIEDSQL_SQ_CORRELATED_SUBQUERIES位掩码指示支持子查询的所有谓词都支持关联的子查询。SQL-92 入口级别一致性驱动程序将始终返回在其中设置所有这些位的位掩码。 SQL_SYSTEM_FUNCTIONS 1.0 一个SQLUINTEGER 位掩码,用于枚举驱动程序和关联的数据源支持的标量系统函数。以下
SQL Server Datefield = 'yyyy-mm-dd hh:mm:ss' The hh:mm:ss part of the query can be omitted when the time is not set in the records. An alternative format is this: Datefield = 'mm/dd/yyyy' IBM DB2 Datefield = TO_DATE('yyyy-mm-dd hh:mm:ss','YYYY-MM-DD HH2...
SQL_SQ_INSQL_SQ_QUANTIFIEDSQL_SQ_CORRELATED_SUBQUERIES位掩碼表示支援子查詢的所有述詞都支援相互關聯的子查詢。SQL-92 入門層級一致性驅動程式一律會傳回位掩碼,其中已設定所有這些位。 SQL_SYSTEM_FUNCTIONS 1.0 SQLUINTEGER 位掩碼,列舉驅動程式和相關聯數據源所支援的純量系統函式。下列位掩碼可用來判斷支援...
-- note we're using a hard-coded date rather than -- a function such as "now()" because the query will -- run at slightly different times on each replica SELECT run_command_on_placements( 'my_distributed_table', $cmd$ UPDATE %s SET updated_at = '2017-01-01'; $cmd$ ); run_...
7.6.4.3.2 Rewriter Query Rewrite Plugin Procedures and Functions Rewriter plugin operation uses a stored procedure that loads the rules table into its in-memory cache, and a helper loadable function. Under normal operation, users invoke only the stored procedure. The function is intended to be ...
Update the default row in the setup_actors table to disable historical event collection and monitoring for all foreground threads, and insert a new row that enables monitoring and historical event collection for the user running the query: mysql> UPDATE performance_schema.setup_actors SET ENABLED ...
When setting timeExtent in a query, filter or layer, dates must be defined in terms of UTC as illustrated in the code below. When using layer.timeInfo.fullTimeExtent in conjunction with TimeSlider, the local timezone offset must be removed. See the code snippet below. Default Value:false ...
Currently, ordering the queryset has no effect. Example: >>> qs = City.objects.filter(name__in=('Houston', 'Dallas')).aggregate(MakeLine('poly')) >>> print(qs['poly__makeline']) LINESTRING (-95.3631510000000020 29.7633739999999989, -96.8016109999999941 32.7820570000000018) Union¶ class ...
Operators describe how SQL Server executes a query or a Data Manipulation Language (DML) statement. The query optimizer uses operators to build a query plan to create the result specified in the query, or to perform the operation specified in the DML statement. The query plan is a tree consi...
The object passed into the input json parameter often comes from a response to a query operation in the REST API or a toJSON() method from another ArcGIS product. See the Using fromJSON() topic in the Guide for details and examples of when and how to use this function. Parameter json ...