A clustered index is a special type of index that sorts and stores the data rows of a table based on a specified column or columns. It can improve the performance and efficiency of queries that ...

One example of the logical/physical confusion emerges when designers add extra columns onto a primary key definition because they are focusing on the DBMS-built index "behind" the primary key. By ...

Select name From sysobjects Where xtype='U' And Name not in ('dtproperties','sysdiagrams') Order By name Set @SQL = 'ALTER TABLE [dbo].['+@tableName+'] DROP CONSTRAINT [' + (Select Top 1 Name From ...

Sql does the same when it comes to searching ... 2) Non-clustered a) A non-clustered index has non-clustered index key values and each key value points to a data row. b) The pointer from index row to ...

INNER JOIN sys.foreign_key_columns fkc ON fkc.constraint_object_id = fk.object ... ON kc.parent_object_id = fk.referenced_object_id AND kc.type = 'PK' LEFT JOIN sys.index_columns AS ic ON ic.object_id ...

Through SQL one can create and delete tables. Here are some commands: CREATE TABLE - creates a new database table ALTER TABLE - alters a database table DROP TABLE - deletes a database table CREATE ...