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SQL for Database Construction
Common types of SQL CHECK constraints include range checks and limiting columns values.
True
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SQL for Database Construction
The SQL DELETE statement is used to delete both the table structure and table data.
SQL statements can be embedded in triggers, stored procedures, and program code.
There are three SQL data modification operations: insert, modify and delete.
If any required (NOT NULL) columns are missing from the view, the view cannot be used for inserting new data.
A trigger is a stored program that is attached to a database.
SQL Server does not support the BEFORE trigger.
A stored procedure is a program that performs some common action on database data and is stored in the database.
The SQL CHECK constraint is fully defined by the SQL-92 standard, and is consistently implemented by all DBMS vendors.
Three types of triggers are: BEFORE, AFTER and EXCEPTION.
A updatable view has its own data.
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