A SELECT statement is non-procedural; it doesn't state the exact steps that the database server should use to retrieve the requested data. This means that the database server must analyze the statement to determine the most efficient way to extract the requested data. This is referred to a...
Basic - select with fixed values - invert columns to rows Basic CTE query, get full path of something recursive BCP Error - Copy direction must be either 'in', 'out' or 'format'. BCP Export to csv using UTF-8 or UTF-16 BCP Issue when using a format file and excluding columns. BCP...
You can pass named=True to get results as a namedtuple(): >>> Entry.objects.values_list('id', 'headline', named=True) <QuerySet [Row(id=1, headline='First entry'), ...]> Using a named tuple may make use of the results more readable, at the expense of a small performance pen...
I defined a class called IncrementalSearch that works on any object implementing IEnumerable. All LINQ queries implement this interface. IncrementalSearch supports the concept of stopping a search after a certain time period expires. The algorithm is to get the next value by calling MoveNext...
TimeSpan' to 'System.DateTime' 'DayOfWeek' is not supported in LINQ to Entities.. 'get' is not recognized as an internal or external command,operable program or batch file 'OleDbConnection' is not defined. 'ReportViewer' is ambiguous in the namespace 'Microsoft.Reporting.WebForms' 'Server ...
"message" : "Query exceeded per-node total memory limit of 16.64GB [Allocated: 16.64GB, Delta: 1.88MB, Top Consumers: {HashAggregationOperator=15.29GB, LazyOutputBuffer=652.57MB, PartitionedOutputOperator=371.93MB}, Details: [{"taskId":"3.0.4","reservation":"15.91GB","topConsumers":[{"typ...
considering locks, pools, thread status, etc. But you can also get yourself in trouble. Like all abstractions, details of the underlying implementation can leak out, causing the facade of simplicity to crumble. This is exactly what we found to happen while experimenting with new Query Suggest ...
(substructure etc. can be specified using the right click menu as described above. for more details on structure search operators and options see the query builder documentation. executing the query once you have defined your query criteria you can execute it using the 'run query' button in ...
Pass-through SQL Query - Video The Filter Designer allows users to return sets of custom data by using the Pass-through SQL Query tool. This video demonstrates how to create and save a pass-through SQL query for finding courses without sections....
Pass-Through Query Details Save Filters to Folders Ad hoc filters can be saved to specific folders created in the Filter Designer tool. For more information about saving and organizing filters into folders, see theFilter Designerpage. Saving a Filter to a Folder ...