This is SQL where FOR XML PATH() has been used to aggregate values separated by a comma, but I am curious to know how to use STRING_AGG() instead of FOR XML PATH(). my sql script attached as text file in this post. please simplify my sql if…
The templates are pre-mapped for the fields noted in Method 2, so will save you some time from having to manually map the fields. To use a SQL Trace template, follow these steps: 1. Determine what version of SQL Server you have and double-click the...
This is exact the time when you want to use the stuff(string, start, length, new_string) method in SQL. In your case, you will need to convert your int to varchar like Convert(varchar(10),STUD_ID) firstly; then select all the STUD_ID in new varchar type with the same STUD_...
As mentioned in the introduction, this guide focuses on outlining how to use SQL’sBETWEENandINoperators to filter data. If you’d like to learn how to use the comparison orIS NULLoperators, we encourage you to check out this guide onHow To Use Comparison and IS NULL Operators in SQL. A...
MySQL installed and secured on the server, as outlined inHow To Install MySQL on Ubuntu 20.04. This guide was verified with a newly-created user, as described inStep 3. Note: Please note that many RDBMSs use their own unique implementations of SQL. Although the commands outlined in this tut...
.ProviderString = "Excel 8.0" End With s.LinkedServers.Add ls s.Close End Sub Using SMO to configure an Excel data source as a linked server In SQL Server 2005, you can use SQL Server Management Objects (SMO) to configure an Excel data source as a linked server programmatically. To do...
Type you SQL Server Name\Instance, select SQL Server Authentication, type the credentials of the user previously created, select the Database created in SQL Express and click on ‘test’ button to check the connection string. Validate the connection string by clicking twice on ...
But. When I try to run this query in perl-program I get errors because of CONCAT String found where operator expected My sql-query looks like this: my $sql = "SELECT s.name, CONCAT('"',f.lastname,'"')AS lastname FROM `firsttable` f, `secondtable` s WHERE f.id = s.tID AND...
SQL Server ROWCOUNT_BIG function The data type of @@ROWCOUNT is integer. In the cases where a higher number of rows are affected than an integer can handle (meaning more than 2,147,483,647 rows!), you need to use the ROWCOUNT_BIG function. This function returns the data typebigint. ...
You’ll see that side of the plus sign a little later in this lesson. Minus (−)Minus also has two uses. First, it can change the sign of a number. You can use the table HILOW to demonstrate this function. Input/OutputSQL> SELECT * FROM HILOW; STATE LOWS HIGHS --- --- --...