How many indexes can be created for a table in sap




















To change the order of fields in the index, select a field and choose Up or Down in the context menu. To remove a field from the index, select the field and choose Remove Index Fields in the context menu. To specify if the index should be used on a certain database, expand the Properties subtree. The Included Databases subtree lists all databases that the index is used on. To exclude the index on a database, select the database and choose Do Not Create on Database in the context menu. The database is moved under the Excluded Databases node.

The Excluded Databases subtree lists all databases that the index is not used on. To use the index on a database, select the database and choose Create on Database in the context menu. The database is moved under the Included Databases node. For more information, see Specifying Database-Specific Parameters. To specify if the index is unique or not, select Unique and choose Toggle Unique Index in the context menu. To save your data, choose Save.

Creating Tables. There are two types of indexes: Primary The primary index consists of the key fields of the table and is automatically created in the database along with the table. Avoid creating an Index for a field that is not always filled i.

In the select statement, always put the condition fields in the same order as you mentioned in the INDEX. Sequence is very important here. Good Information! Appreciate the interest on actually checking for the Max number of fields an Index can have!

Skip to Content. September 14, 2 minute read. Couple of frequently asked questions in SCN forum, 1. How many secondary indexes can be created on a database table in SAP? How many fields can be included in a secondary index SAP? How many fields can a Secondary Index can contain? Place the most selective fields at the beginning of an Index. Optimizer might stop working if you use OR condition. Try to use IN operator instead of that. Thanks and Regards, Vijay Krishna G. Create if necessary secondary indexes for the table.

Choose with the quick info text Save. A dialog box appears in which you have to assign the table to a development class. Choose an enhancement category. For more information, see Structure Enhancements. Choose with the quick info text Activate. Constraints All the key fields of a table must stay at the beginning of the table.

The key fields must be coherent. A non-key field must not occur between two key fields. A maximum of 16 key fields per table is permitted. The maximum length of the table key is



0コメント

  • 1000 / 1000