A: The obvious brute force solution would involve checking each item in the array to see if matches the desired value. This does not take advantage of the fact...
My understand is "base table has default colums. But Extension table is the table in which we can add additional columns other than its base tables columns
I...
The only way to remove columns from an existing table involves a migration program that extracts only the desired columns of data, redefining the table without...
The only way to remove columns from an existing table involves a migration program that extracts only the desired columns of data, redefining the table without...
A record group can have an ultimate number of columns of type CHAR,LONG,NUMBER, and DATE provided that the total number of columns does not exceed 64k....
A record group is an internal Oracle Forms data structure that has a column/row framework similar to a
database table. However, unlike database tables, record...
A multiple index is not one index but two indexes for two different columns of a table. A composite index is one index made up of combined values from two col...
Primary key and foreign key columns; columns that have unique values; columns that have aggregates computed frequently and columns used to test the existence...
yes possible. until the updation or selection is committed db2 table will not be restructured. new column definition will be there but it will not be included u...
1) Limit base tables and columns to be processed by using : only base Tables,ignore base Tables,only base Columns,ignore base Columns.
2) Always delete batches...