Posts (page 38)
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5 min readTo filter on raw data type in Oracle, you can use the RAWTOHEX function to convert the raw data into a hexadecimal representation. This allows you to perform comparisons and filter the raw data based on specific criteria. For example, you can use the WHERE clause in a SQL query to filter raw data using the RAWTOHEX function to convert the raw data into hexadecimal format. Additionally, you can also use comparison operators such as =, >, <, etc.
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5 min readTo properly export to CSV using PowerShell, you can use the Export-Csv cmdlet. First, you need to select the data that you want to export using a command such as Get-Process or Get-Service. Then, pipe that data to Export-Csv with the desired file path where you want to save the CSV file. You can also specify additional parameters such as -NoTypeInformation to exclude the type information from the CSV file.
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3 min readTo pass a value as a parameter to join tables in Oracle SQL, you can use a WHERE clause in your SQL query. This clause allows you to specify the condition by which the tables should be joined.For example, if you have two tables A and B that you want to join on a specific column, you can pass the value of that column as a parameter in your query.Here's an example query:SELECT * FROM table_A A JOIN table_B B ON A.column_name = B.column_name WHERE A.
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8 min readTo process custom log data using PowerShell, you can start by reading the log data from a file or another source using the appropriate cmdlet or script. Once you have the log data loaded into PowerShell, you can then parse and analyze it to extract the information you need.One common approach is to use regex (regular expressions) to match patterns in the log data and extract relevant information such as timestamps, log levels, error messages, etc.
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3 min readTo exclude data based on the weeks in Oracle, you can use the WHERE clause in your SQL query. You can use the WEEKOFYEAR function to extract the week number from a date and then use this information to filter out the data you want to exclude. For example, you can use a condition like WHERE WEEKOFYEAR(date_column) <> some_week_number to exclude data from a specific week.
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4 min readTo force delete an open file using PowerShell, you can use the "Remove-Item" cmdlet with the "-Force" parameter. This command will forcefully delete the file even if it is being used or locked by another process.To do this, open PowerShell as an administrator and use the following command: Remove-Item -Path "C:\path\to\file\file.txt" -Force Replace the "C:\path\to\file\file.txt" with the path to the file you want to delete.
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3 min readTo grant privilege to a row in Oracle, you can use the concept of Virtual Private Database (VPD). VPD allows you to selectively apply security policies to individual rows in a table based on specific criteria.To grant privilege to a row, you can create a security policy using the DBMS_RLS package. This policy will define the conditions under which a user can access a specific row in a table.
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4 min readIn PowerShell, you can export an array to a CSV file by using the export-csv cmdlet. First, you need to create an array of objects that you want to export. Then, use the export-csv cmdlet followed by the path to the CSV file where you want to save the data.
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4 min readTo read a PowerShell variable inside a Dockerfile, you can use the ENV instruction in the Dockerfile. You can pass in the PowerShell variable as an environment variable and then access it in the Dockerfile using the syntax $ENVIRONMENT_VARIABLE.
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7 min readTo store non-English words in an Oracle database, you need to ensure that the database character set supports the language you are trying to store. You can either use Unicode character sets like UTF-8 or UTF-16, which support a wide range of languages, or select a specific character set that includes the language you need.
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7 min readTo get a specific number of rows from an Excel file in PowerShell, you can use the Import-Excel module. You can read the Excel file into a variable, then use the .Select() method to specify the range of rows you want to retrieve. For example, you can use the following code to get rows 1 to 10 from an Excel file named "data.xlsx": Import-Excel -Path "C:\path\to\data.
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5 min readTo update or insert records based on a WHERE clause in Oracle, you can use the MERGE statement. This statement allows you to either update existing records or insert new records depending on the condition specified in the WHERE clause.