How do you populate a database?

What is populating the database?

After a database has been created, there are two ways of populating the tables – either from existing data, or through the use of the user applications developed for the database. For some tables, there may be existing data from another database or data files.

What is the fastest way to populate a database?

If you are loading a freshly created table, the fastest method is to create the table, bulk load the table's data using COPY , then create any indexes needed for the table. Creating an index on pre-existing data is quicker than updating it incrementally as each row is loaded.

How do you populate a table?

Populate one table using another table. You can populate the data into a table through the select statement over another table; provided the other table has a set of fields, which are required to populate the first table.

How do you populate and manage a table?

You can populate tables by hand, by copy and paste, or with scripts. Scripts are the preferred method for data entry, as they reduce input typos. Insert allows you to insert new records into the table. Delete permanently deletes data from your tables.