Describes the variances in between a conventional route load and also a direct route load. A immediate route load is really a large-performance possibility that considerably lowers enough time needed to load significant quantities of data.
An external table load produces an exterior desk for data that's contained within an external data file. The load operates INSERT statements to insert the data through the data file to the focus on table. some great benefits of using exterior desk loads more than typical route and immediate path loads are as follows:
The compression part from the tnsnames.ora file supplies the ability to empower compression and specify compression degrees. These parameters may be established at The outline amount of a connect string.
To specify the worth of a sharding essential. depending on the worth specified in the course of a database link request, the request is directly routed to the suitable shard.
This command prepares and populates tables for the situation research after which you can returns you to your process prompt.
This structure offers some added overall flexibility above the preset record format in addition to a effectiveness gain about the stream record structure. For example, you are able to specify a data file which is to generally be interpreted as currently being in variable report format as follows:
version specifies the Model number of base64 illustration. presently, only version one is supported, and so the supported Model benefit is 1. type specifies the character established string and its encoding details. The supported form values are: Value
ora file, then the client attempts to attach with OCI IAM to retrieve a database token using the IAM person title and IAM database password. In cases like this, it is possible to override this environment for a selected connection utilizing PASSWORD_AUTH=PASSWORD_VERIFIER. while in the tnsnames.ora file:
Notes: (usually do not write the line quantities, They can be intended for explanation goal) 1. The LOAD DATA assertion is required at first with the Regulate file.
3. Discard file is made up of rejected rows Those people ended up discarded mainly because they were filtered resulting from a statement in SQL*Loader Management file. Data published to any database desk just isn't composed towards the discard file.
above line, it is possible to observe that there's no specified Area between fields. I've virtually 7000 rows of data in notepad. I attempted making use of industry terminated by House but, it has taken the whole row of data from notepad read more as one column data in desk, remaining fields in desk are vacant.
You may as well set the optional OCI_COMPARTMENT and OCI_DATABASE parameters to specify the scope of one's token ask for. Use this parameter below the safety portion from the tnsnames.
4. if the CUST_TYP is Z then I need to load the data Along with the DISCOUNT_AMT from the data file to the income desk amount of money industry
It is feasible for two or maybe more subject specifications to assert a similar data. Also, it is feasible for your sensible file to incorporate data that is not claimed by any Regulate-file field specification.