Sharepoint 2016 updating lookup filed fieldlookupvalue

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You can create relationships between lists by using a combination of unique columns, lookup columns, and relationship enforcement (cascade and restrict delete), all of which enhance your ability to create more sophisticated business solutions and help preserve the integrity of your data.

Once you create this lookup column (the primary column), you can continue to add additional columns (secondary columns) from the target list to the source list, as long as those additional columns have a supported data type described below.

The following table summarizes what column types can and cannot be used to create lookup columns.

In a lookup column with an unenforced relationship, from the source list, you can lookup single or multiple values in the target list.

Also, when you delete an item in the source list, as long as you have delete permission on the list, there are no additional delete restrictions or delete operations that occur in the target list.

The following sections provides important background information about creating relationships between source and target lists, creating unique and lookup columns, enforcing list relationship behavior, adding primary and secondary lookup columns, viewing, editing, and deleting items within list relationships, managing list relationships when lists have many items, and the additional benefits of using an editing program such as Microsoft Share Point Designer 2013. The Items list is the source list and the Orders list is the target list. Each list has unique columns to ensure that the correct data is matched. The primary lookup column in the source list "looks up" the Order ID column in the target list based on a matching value. A secondary lookup column in the source list automatically inserts the Orders Description column from the target list.

When you create a column, you can specify that the column must contain unique values.

You don't want the customer’s order to be accidentally deleted because that would affect your ability to complete the order. A cascade delete operation ensures all related items are deleted in one database transaction. A restrict delete operation prevents deleting items in the target list if related source list items exist.When you create a lookup column that enforces a relationship, you might be prompted to create the index, and it is automatically created when you click OK.Once a lookup column that enforces a relationship has an index, you cannot remove the index from that column, unless you first remove the enforced relationship.Všem našim uživatelům proto doporučujeme verzi chatu využívající technologii Flash (momentálně používaná).Watch me here 😉 Free Video I do oh so many different things & I am open to so much so NO MATTER what it is you are looking for just ask on my free chat cam 😉 I probably have it, luv it & do it!

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