Results for “--rm”
Small, practical examples. Search by task or narrow things down below.
Count rows satisfying separate conditions
SQL: SUM over CASE expressions calculates several conditional counts in one scan.
SQL✓ Tested
Count rows satisfying separate conditions
SQL Server: SUM over CASE expressions calculates several conditional counts in one scan.
SQL Server✓ Tested
Count rows satisfying separate conditions
Postgres: SUM over CASE expressions calculates several conditional counts in one scan.
Postgres✓ Tested
Count rows satisfying separate conditions
SQLite: SUM over CASE expressions calculates several conditional counts in one scan.
SQLite✓ Tested
Count the elements in an array
Bash Scripts: The array length form counts assigned elements, not characters in the first value.
Bash Scripts✓ Tested
Count the rows in a table
SQL: COUNT(*) includes every row, including rows with NULL columns.
SQL✓ Tested
Count the rows in a table
SQL Server: COUNT(*) includes every row, including rows with NULL columns.
SQL Server✓ Tested
Count the rows in a table
Postgres: COUNT(*) includes every row, including rows with NULL columns.
Postgres✓ Tested
Count the rows in a table
SQLite: COUNT(*) includes every row, including rows with NULL columns.
SQLite✓ Tested
Create a compressed tar archive
Bundle a directory into a gzip-compressed tar archive, preserving the directory structure.
tar✓ Tested
Create a directory if needed
Ensure a directory exists before writing output.
New-Item✓ Tested
Create a directory tree
Create a directory and its missing parent directories. The -p option also succeeds when the directories already exist.
directory✓ Tested