If we have passing two nullif function arguments and the first contains a null value, then the nullif function will return the first value in a result. If we pass both the same value, it will return a null value in a result. We have used the nullif function in PostgreSQL to prevent th...
Add a html content to word document in C# (row.Cells[1].Range.Text) Add a trailing back slash if one doesn't exist. Add a user to local admin group from c# Add and listen to event from static class add characters to String add column value to specific row in datatable Add comments...
When referring to NULL within our data sets, we often use phrases such as “the NULL value” or “a value of NULL.” I do it all the time. I see it done all the time. Such phrases are so common that we think little of their use. But inherent in the p...
'Return' statement in a Function,Get,or Operator must return a value...Question "An error occurred during local reporting processing. Object reference not set to an instance of an object." "Define query parameters" popup in Dataset properties -> Refersh field, not displayed for Sps in SSDT...
details of how this is done are unimportant here). This is because the field classes aren’t necessary when you’re just creating and modifying attributes. Instead, they provide the machinery for converting between the attribute value and what is stored in the database or sent to theserializer...
During the Postgres installation, an operating system user namedpostgreswas created to correspond to thepostgresPostgreSQL administrative user. You need to use this user to perform administrative tasks. You can usesudoand pass in the username with the-iuoption. ...
During the Postgres installation, an operating system user namedpostgreswas created to correspond to thepostgresPostgreSQL administrative user. You need to use this user to perform administrative tasks. You can use sudo and pass in the username with the-uoption. ...
This is VERY expensive, especially in a scenario where resources are limited. A better approach would be to have a reserved pool for cancelling connections: // My platform has allocated me 20 connectionsconstpool=newPool({max:19})constadminPool=newPool({max:1})constclient=awaitpool.connect()...
This code checks if a custom port is specified in the environment variables. If none is set the default port value of3000is set on the app instance, after being normalized to either a string or a number bynormalizePort. The server is then created from thehttpmodule, withappas the callbac...
Update in October 2022:Citus has a new home on Azure! The Citus database is now available as a managed service in the cloud asAzure Cosmos DB for PostgreSQL. Azure documentation links have been updated throughout the post, to point to the new Azure docs. ...