Results for “CMD”
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 Server: Join using an increasing key comparison to omit self-pairs and reversed duplicates.
SQL Server✓ Tested
Make a pair of columns unique together
SQL Server: A composite primary key permits repeated individual values while forbidding a duplicate combination.
SQL Server✓ Tested
Match a known text prefix
SQL Server: A percent wildcard matches zero or more characters following the prefix.
SQL Server✓ Tested
Match a text prefix
SQL Server: Use a percent wildcard after a known prefix.
SQL Server✓ Tested
Match one value from a short list
SQL Server: Use IN for a set of allowed values.
SQL Server✓ Tested
Measure the length of ordinary text
SQL Server: Use the engine’s text-length function; this ASCII example has no trailing spaces.
SQL Server✓ Tested
Merge configuration maps with override precedence
PowerShell: Copy defaults before applying override keys so the original remains unchanged.
PowerShell✓ Tested
Move a file into another directory
PowerShell: Move-Item transfers an existing file to the chosen destination directory.
PowerShell✓ Tested
Normalize ASCII text to lowercase
SQL Server: LOWER is useful for display normalization; indexed case-insensitive search depends on the database collation and schema.
SQL Server✓ Tested
Normalize ASCII text to uppercase
SQL Server: UPPER changes character case under the database’s text rules.
SQL Server✓ Tested
Pad a label with leading zeroes
PowerShell: Use a numeric format specifier to control the displayed width.
PowerShell✓ Tested