how to enforce referential integrity?
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To enforce referential integrity for this relationship, select the Enforce Referential Integrity check box. For more information about referential integrity, see the section Enforce Referential Integrity. Click Create. Access draws a relationship line between the two tables.
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['Given: The static preconditions.', 'When: The behaviour under test (or that, which should be specified)', 'Then: The expected results of the behaviour under the given preconditions.']
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It is at times used as a proxy term for data quality, while data validation is a pre-requisite for data integrity. Data integrity is the opposite of data corruption. ... If the changes are the result of unauthorized access, it may also be a failure of data security.
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When are data validation rules enforced? When a user saves a record, when records are imported, using the Data Loader and other API tools.
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1. Which of the following is not an integrity constraint? Explanation: Identical is not an allowed integrity constraint in SQL. Not null prevents null values and unique only allows unique values to be entered.
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["Not contain the user's account name or parts of the user's full name that exceed two consecutive characters.", 'Be at least six characters in length.', 'Contain characters from three of the following four categories:']
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['Data Definition Language (DDL) Statements.', 'Data Manipulation Language (DML) Statements.', 'Transaction Control Statements.', 'Session Control Statements.', 'System Control Statement.', 'Embedded SQL Statements.']
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['Completeness checks – controls ensure records processing from initiation to completion.', 'Validity checks – controls ensure only valid data is input or processed.']
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['Read each question carefully and ensure their answers address the question.', 'Keep answers succinct.', 'Only consider the information provided in the question and avoid developing a collateral history beyond this information.']
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['LOCK TABLES is not transaction-safe and implicitly commits any active transaction before attempting to lock the tables.', 'UNLOCK TABLES implicitly commits any active transaction, but only if LOCK TABLES has been used to acquire table locks.']
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Answers must be at least three characters and are not case sensitive. You cannot select the same security question more than once, and you cannot use the same answer more than once.
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['#includeEdit. ... ', '#pragmaEdit. ... ', '#defineEdit. ... ', 'macrosEdit. ... ', '#errorEdit. ... ', '#warningEdit. ... ', '#undefEdit. ... ', '#if,#else,#elif,#endif (conditionals)Edit.']
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['First, specify the name of the variable. ... ', 'Second, associate a specific data type with the variable. ... ', 'Third, optionally assign a default value to a variable.']
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['They accept only a single argument.', 'They can be nested only to two levels.', 'Arguments can only be column values or constants.', 'They can return a data type value different from the one that is referenced.']
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['Must be at least 8 characters long.', 'Must contain a capital character.', 'Must contain a lowercase character.', 'Must contain a numeric character.', 'Must not contain such symbols (_, @, %, !, ...)', 'Must not contain a portion of User ID longer than 4 characters.', 'Must contain more than 4 similar characters.']
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['Comparability.', 'Verifiability.', 'Timeliness.', 'Understandability.']
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Ensuring Referential Integrity. ... Referential integrity in table relationships keeps users from accidentally deleting or changing related data. You can apply referential integrity when: the common field is the primary table's primary key; the related fields have the same format; or both tables belong to the same database ...