Results for “UTF-8”
Small, practical examples. Search by task or narrow things down below.
Read the last value of the complete partition
Postgres: Specify an unbounded-following frame so LAST_VALUE does not stop at the current row.
Postgres✓ Tested
Read the next row’s value
Postgres: LEAD reads a later ordered row without a self join and supports a fallback at the end.
Postgres✓ Tested
Read the smallest and largest values
Postgres: Use MIN and MAX without sorting and fetching every row.
Postgres✓ Tested
Read updated base-table values through a view
Postgres: An ordinary view reflects later changes to its underlying data.
Postgres✓ Tested
Reference a parent identified by two columns
Postgres: A composite foreign key checks the complete referenced key rather than either column independently.
Postgres✓ Tested
Reject a negative quantity with CHECK
Postgres: Combine NOT NULL and CHECK because an unknown NULL check result is normally accepted.
Postgres✓ Tested
Reject an integer with trailing characters
Arduino / C: strtol exposes an end pointer so a parser can require the entire token.
Arduino / C✓ Tested
Reject an unsupported settings version
Arduino / C: A version byte lets firmware fall back when stored settings use another format.
Arduino / C✓ Tested
Reject duplicate business identifiers
Postgres: A UNIQUE constraint protects a business key independently of the primary key.
Postgres✓ Tested
Reject infinity and NaN
C#: Double.IsFinite distinguishes usable finite numeric inputs from special values.
C#✓ Tested
Reject insertion when a fixed queue is full
Arduino / C: Track a count separately from circular read and write positions.
Arduino / C✓ Tested
Reject one outlier with a median-of-three filter
Arduino / C: Sorting three values leaves the median in the middle.
Arduino / C✓ Tested