What is the difference between load and import in Db2?
The following table summarizes the important differences between the Db2® load and import utilities….Differences between the import and load utility.
| Import Utility | Load Utility |
|---|---|
| Slow when moving large amounts of data. | Faster than the import utility when moving large amounts of data, because the load utility writes formatted pages directly into the database. |
What is load in Db2?
The LOAD command efficiently loads large amounts of data into a Db2® table. The LOAD command loads data at the page level, bypasses trigger firing and logging, and delays constraint checking and index building until after the data is loaded into the Db2 table.
What is load replace in Db2?
To replace data with LOAD: Specify the REPLACE option in the LOAD utility control statement. This option specifies that all data in the table space is to be replaced. Alternatively, you can load new records into a table space without deleting the existing rows by using the RESUME option.
What is import utility in Db2?
The import utility inserts data from an input file into a table or a view. The utility performs inserts as if it was executing INSERT statements.
What is load and unload in DB2?
About this task. When you need to change a DB2 table, for example by adding a column, you can save the existing data by using the DB2 Unload utility. After the change to the table, you then reload the table using the Load utility. Using Unload and Load with no change reorganizes the data.
How do I import a CSV file into DB2?
Loading data from CSV files
- Connect to your shared-file system.
- Create a new CLP script containing the Db2 command to use for the ingest operation.
- Define the eventstoreUtils macro on your cluster’s command line.
- Run the CLP script with the eventstoreUtils macro to the INSERT statement.
What is Nocopypend in DB2?
NOCOPYPEND – instructs DB2 not to put the table in the copy pending status. STATISTICS – instructs DB2 to update the statistics of table as well as index.
What is import command?
import command in Linux system is used for capturing a screenshot for any of the active pages we have and it gives the output as an image file. You can capture a single window if you want or you can take the entire screen or you can take a screenshot of any rectangular portion of the screen.
What is offline reorg in Db2?
reorg table employee You can reorganize a table using a specific temporary table space. For example: reorg table employee use mytemp You can reorganize a table and have the rows reordered according to a specific index.
What is cursor in DB2?
Db2 has a mechanism called a cursor . In Db2, an application program uses a cursor to point to one or more rows in a set of rows that are retrieved from a table. You can also use a cursor to retrieve rows from a result set that is returned by a stored procedure.
What is UID in Dsnuproc?
UID= Specifies the unique identifier for your utility job.