Results for “table variable”
Small, practical examples. Search by task or narrow things down below.
List files by extension
Enumerate regular files and return their names in order.
Get-ChildItem✓ Tested
List unordered pairs without duplicate reversals
SQL: Join using an increasing key comparison to omit self-pairs and reversed duplicates.
SQL✓ Tested
Look up values in an associative array
Use named keys for a small in-memory configuration table.
dictionary✓ Tested
Make a pair of columns unique together
SQL: A composite primary key permits repeated individual values while forbidding a duplicate combination.
SQL✓ Tested
Match a known text prefix
SQL: A percent wildcard matches zero or more characters following the prefix.
SQL✓ Tested
Match a text prefix
SQL: Use a percent wildcard after a known prefix.
SQL✓ Tested
Match one of several values
Use IN to avoid repeating equality conditions.
IN✓ Tested
Match one value from a short list
SQL: Use IN for a set of allowed values.
SQL✓ Tested
Measure the length of ordinary text
SQL: Use the engine’s text-length function; this ASCII example has no trailing spaces.
SQL✓ Tested
Move a file into another directory
PowerShell: Move-Item transfers an existing file to the chosen destination directory.
PowerShell✓ Tested
Name an intermediate query with a CTE
Make a filtered result reusable within one statement.
CTE✓ Tested
Narrow an object using a type pattern
C#: A successful is pattern introduces a strongly typed local variable.
C#✓ Tested