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Results for “SQLite”

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SQLiteWindow analytics

Read the next row’s value

SQLite: LEAD reads a later ordered row without a self join and supports a fallback at the end.

SQLite✓ Tested
SQLiteGetting Started

Read the smallest and largest values

SQLite: Use MIN and MAX without sorting and fetching every row.

SQLite✓ Tested
SQLiteSchema design & transactions

Read updated base-table values through a view

SQLite: An ordinary view reflects later changes to its underlying data.

SQLite✓ Tested
SQLiteConstraints & defaults

Reference a parent identified by two columns

SQLite: A composite foreign key checks the complete referenced key rather than either column independently.

SQLite✓ Tested
SQLiteConstraints & defaults

Reject a negative quantity with CHECK

SQLite: Combine NOT NULL and CHECK because an unknown NULL check result is normally accepted.

SQLite✓ Tested
SQLiteConstraints & defaults

Reject duplicate business identifiers

SQLite: A UNIQUE constraint protects a business key independently of the primary key.

SQLite✓ Tested
SQLiteConstraints & defaults

Remove dependent rows with a declared cascade

SQLite: ON DELETE CASCADE removes children when their referenced parent is deleted.

SQLite✓ Tested
SQLiteGetting Started

Remove duplicate result values

SQLite: Use DISTINCT when repeated category values are not useful.

SQLite✓ Tested
SQLiteBulk changes & set operations

Remove duplicate values while keeping the smallest key

SQLite: Identify retained keys in a grouped subquery before deleting other copies.

SQLite✓ Tested
SQLiteText cleanup & matching

Remove surrounding spaces from text

SQLite: TRIM removes leading and trailing space characters by default.

SQLite✓ Tested
SQLiteWindow analytics

Repeat the first ordered value beside each row

SQLite: FIRST_VALUE reads the first value in the current window frame.

SQLite✓ Tested
SQLiteText cleanup & matching

Replace a literal substring

SQLite: REPLACE performs a literal replacement rather than a regular-expression substitution.

SQLite✓ Tested