Results for “Text validation & formatting”
Small, practical examples. Search by task or narrow things down below.
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
Make a pair of columns unique together
Postgres: A composite primary key permits repeated individual values while forbidding a duplicate combination.
Postgres✓ Tested
Make a pair of columns unique together
SQLite: A composite primary key permits repeated individual values while forbidding a duplicate combination.
SQLite✓ 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
Match one value from a short list
SQL Server: Use IN for a set of allowed values.
SQL Server✓ Tested
Match one value from a short list
Postgres: Use IN for a set of allowed values.
Postgres✓ Tested
Match one value from a short list
SQLite: Use IN for a set of allowed values.
SQLite✓ Tested
Name an intermediate query with a CTE
Make a filtered result reusable within one statement.
CTE✓ Tested
Narrow a union using typeof
Handle text and numeric values with separate branches.
union✓ Tested
Open a link in a separate tab
Declare a separate browsing context with an explicit noopener relationship.
HTML✓ Tested
Pad a numeric label
Convert a number to text and pad it to a fixed width.
JavaScript✓ Tested