parent table

The column will be an auto-incrementing primary key for the parent table, and will be used for the DataRelation between the two tables.

For any particular case row , this kind of column contains selected rows from the child table that pertain to the parent table .

Related child tables appear as expandable nodes at the bottom of the parent table's column list.

Shows how to ensure the selected row of a child table does not change, when a change is made to a field of the parent table.

The purchases in the child table are related back to the parent table by the unique identifier, the CustomerKey column.

Represents the parent table to which the relationship is being established.

Specifies the parent table linked to the child table displayed in a Grid control.

The ValueMember property contains the data column of that table with the stored information (the ID number in the parent table).

The parent table in the left panel shows all the parent objects of any selected object in the tree.

If the column on which you join in the filtered table (the parent table) is unique, select Unique key.

The sample shows a parent table in the main form and provides access to related child tables through a link column .

SET NULL All the values that make up the foreign key are set to NULL when the corresponding row in the parent table is deleted.

The Delete rule controls how delete operations performed against a parent table in an RI relationship are processed.

The latter is actually a primary key lookup against the parent table and constitutes the foreign key constraint verification.

In contrast, no checking is performed when records are added to the key columns of a parent table.

Determines what action to take when a value in a parent table is deleted or updated.

Any row in the parent table can be selected to expand the tree to the location of the selected parent object.

Specifies the expression based on fields in the parent table that relates to an index in the child table.

Gets a collection of columns from the parent table that are part of the relationship between two tables.

It is feasible that there could be multiple coarse-grained locking sets on the same parent table.

Gets the path for the specified action page of the parent table of the specified foreign-key field.

Property to the name of the parent table.

Now drag the main parent table node from the Data Sources window directly onto the lookup control (the ComboBox).

The grid can display a tree view to select tables with, or you can specify that the grid display the parent table.

The nature of the cascaded change that should be made in the child table when changes occur in the parent table.

The parent table contains records on the "one" side of a one-to-many relationship.

Create a parent table that logs each execution of a package.

Corresponding rows are deleted from the referencing table if that row is deleted from the parent table.

Corresponding rows are updated in the referencing table when that row is updated in the parent table.

Expand the node representing the parent table in the relationship.

In the parent table; this method returns an array of related child records.

Records in the parent table let users navigate to related child rows.

Object to get related records from a child or parent table.

This control will display the column from parent table.

An update operation could change a record in a child table such that it no longer has a matching record in the associated parent table.

Displays both the parent table and column names.

Data Sources window until you can see the parent table or object and the related child table or object.

For each foreign key, a lookup must be done in the parent table(s) to ensure that a parent row exists.

An insert operation could add a record to a child table for which there is no matching record in the associated parent table.

Select the same property of the child table that is the Value Member of the parent table (for example, Orders. CustomerID).

for the child table insert records, the parent table, there is no corresponding keyword value of the records;

The Database Engine raises an error, and the update action on the row in the parent table is rolled back.

The Database Engine raises an error and the delete action on the row in the parent table is rolled back.

Is set to the name of the parent table and the,

ON DELETE CASCADE, and a row in the parent table is deleted,

Using the added columns from both tables. The added relation is named using the parent table and chapter column names in the form

The table created for the chaptered column is named using both the parent table name and the chaptered column name in the form