Posts (page 59)
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5 min readTo load a file in an Azure Function using PowerShell, you can use the built-in functionalities provided by Azure Functions. You can start by creating a new Azure Function with a PowerShell trigger. Once you have your function set up, you can use the Get-AzStorageBlobContent cmdlet to download the file from Azure Storage to your Azure Function.First, make sure you have the Azure PowerShell module installed and configured.
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4 min readTo set an XML value to an escape character in PowerShell, you can use the [System.Xml.XmlNode]::InnerText property to assign the value with the escape character. For example, to set the value of an XML element to a newline character \n, you can do the following: $xml = New-Object System.Xml.XmlDocument $xml.LoadXml("<root></root>") $element = $xml.CreateElement("element") $element.InnerText = "`n" # using the newline escape character $xml.DocumentElement.
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3 min readTo remove the first few words from a text file using PowerShell, you can use the following command: (Get-Content "path\to\file.txt" | Select-Object -Skip 1) | Set-Content "path\to\outputfile.txt" This command reads the content of the specified text file, skips the first line (which contains the first few words), and then writes the remaining content to a new output file. Replace "path\to\file.txt" with the path to the original file and "path\to\outputfile.
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5 min readTo add multiple JSON objects to one JSON object in PowerShell, you can create a new JSON object and then use the Add method to add the individual JSON objects to it. You can also use the ConvertTo-Json cmdlet to convert the objects into JSON format before adding them to the main JSON object. Additionally, you can use the PSObject class to create custom objects and then convert them to JSON format.
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3 min readTo get the filename along with the content of the file in PowerShell, you can use the following command: Get-ChildItem | foreach-object { $filename = $_.FullName $content = Get-Content $filename Write-Output "Filename: $filename" Write-Output "Content: $content" } This command uses the Get-ChildItem cmdlet to get a list of files in the current directory, and then loops through each file using the foreach-object cmdlet.
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4 min readTo select two tables in Oracle, you can write a query using the SQL SELECT statement along with the JOIN clause. The JOIN clause allows you to combine rows from two or more tables based on a related column between them. You can specify the type of join you want (e.g. INNER JOIN, LEFT JOIN, RIGHT JOIN) and include the columns you want to retrieve in the SELECT statement. Make sure to reference the tables by their table aliases in the query to avoid any ambiguity.
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4 min readDuring export/import in Oracle, you can truncate tables by specifying the TRUNCATE option in the export/import command. This will delete all data in the tables before importing new data. Truncating tables can help improve performance and reduce space usage during the export/import process. However, it is important to be careful when truncating tables as it will delete all data and cannot be undone. Make sure to backup the data before truncating tables during export/import to prevent data loss.
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4 min readTo count multiple columns in an Oracle table, you can use the COUNT function along with the CASE statement. You can specify the columns you want to count within the COUNT function and use the CASE statement to check if each column is not null to include it in the count. This way, you can count multiple columns simultaneously in an Oracle table.[rating:53c0aa98-76b9-464d-9d7f-79965c5bfde8]How to count columns with specific criteria in Oracle.
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4 min readTo declare an array in an XPath query using Oracle, you can use the "array" function to create an array of values. For example, you can declare an array of strings like this: SELECT XMLELEMENT("Root", XMLFOREST( XMLAGG(XMLELEMENT("Name", COLUMN_VALUE)) AS "Names" ) ).
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6 min readTo update multiple columns in one table in Oracle, you can use the UPDATE statement with a set clause for each column you want to update. Simply specify the column names and their new values after the SET keyword, separating each pair with a comma. For example: UPDATE table_name SET column1 = value1, column2 = value2, column3 = value3 WHERE condition; Make sure to include a WHERE clause to specify which rows you want to update.
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4 min readTo make a nullable column to not null in Oracle, you need to first ensure that there are no existing NULL values in the column. You can do this by updating any NULL values to a non-NULL value in the column. Once you have ensured that there are no NULL values in the column, you can alter the table to modify the column to not allow NULL values. This can be done using the ALTER TABLE statement with the MODIFY clause, specifying the column name and the new data type with the NOT NULL constraint.
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3 min readTo convert minutes to days in Oracle, you can use the following SQL query:SELECT minutes/1440 AS days FROM table_name;This query will return the equivalent number of days when you provide minutes as an input. By dividing the minutes by 1440 (the number of minutes in a day), you can easily convert minutes to days in Oracle.[rating:53c0aa98-76b9-464d-9d7f-79965c5bfde8]What is the role of the interval data type in converting minutes to days in Oracle.