Andrei Odegov questions

Andrei Odegov answers

• Java regular expression for masked alphanumeric codes
• Set SQL Server 'Maximum server memory in (MB)' using Powershell
• Several joins in query - possible to replacement to gain performance?
• SQL select parent-child recursively based on a reference table
• Use inner join if record exists otherwise use left join
• Parse a tables with unicode chars in variables from JSON with SAS BASE
• Mapping two tables without relationship and without a loop
• n gram highlighting in contenteditable div