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Temporal table
Learn Temporal table in T-SQL through a focused explanation, a dedicated construct-specific example, an engineering boundary, and a mastery check.
Temporal table is an atomic T-SQL topic inside SQL Server Features. This lesson focuses on how the Temporal table construct is written, what it changes, and when it is the right tool.
Trace the example line by line. Identify the exact syntax for Temporal table, the input state before it runs, and the resulting value, control flow, database state, hardware behavior, or runtime effect afterward. Neighboring lessons use different constructs rather than renamed copies of this one.
Topic-specific example
CREATE TABLE Prices(id int PRIMARY KEY,value money,valid_from datetime2 GENERATED ALWAYS AS ROW START,valid_to datetime2 GENERATED ALWAYS AS ROW END,PERIOD FOR SYSTEM_TIME(valid_from,valid_to)) WITH (SYSTEM_VERSIONING=ON);
For Temporal table, test the boundary that belongs to this exact feature rather than a generic failure case. Check invalid or empty input, NULL/unknown state, numeric limits, transaction or exception behavior, synthesis/runtime constraints, ownership/permission rules, or backtracking/control-flow effects where they apply.