Results for “Text validation & formatting”
Small, practical examples. Search by task or narrow things down below.
Remove duplicate values while keeping the smallest key
Postgres: Identify retained keys in a grouped subquery before deleting other copies.
Postgres✓ Tested
Remove duplicate values while keeping the smallest key
SQLite: Identify retained keys in a grouped subquery before deleting other copies.
SQLite✓ Tested
Repeat the first ordered value beside each row
SQL: FIRST_VALUE reads the first value in the current window frame.
SQL✓ Tested
Repeat the first ordered value beside each row
SQL Server: FIRST_VALUE reads the first value in the current window frame.
SQL Server✓ Tested
Repeat the first ordered value beside each row
Postgres: FIRST_VALUE reads the first value in the current window frame.
Postgres✓ Tested
Repeat the first ordered value beside each row
SQLite: FIRST_VALUE reads the first value in the current window frame.
SQLite✓ Tested
Replace a nested JSONB value
Change one path with jsonb_set.
jsonb_set✓ Tested
Replace every occurrence in a string
Substitute text directly with Bash parameter expansion.
replace✓ Tested
Replace NULL in a result
Choose a fallback for a missing value.
COALESCE✓ Tested
Replace repeated whitespace
Normalize runs of whitespace to one space.
regex✓ Tested
Report duplicate business values and their frequency
SQL: Group by a candidate business key and retain only groups with multiple rows.
SQL✓ Tested
Report duplicate business values and their frequency
SQL Server: Group by a candidate business key and retain only groups with multiple rows.
SQL Server✓ Tested