What is data loading in SQL?

Question

SQL*Loader loads data from external files into tables of an Oracle database. It has a powerful data parsing engine that puts little limitation on the format of the data in the datafile. You can use SQL*Loader to do the following: Load data across a network.

What is meant by loading data?

Data loading is the process of copying and loading data or data sets from a source file, folder or application to a database or similar application. It is usually implemented by copying digital data from a source and pasting or loading the data to a data storage or processing utility.

What is load in SQL?

The LOAD statement appends new rows to the table. It does not overwrite existing data. You cannot add a row that has the same key as an existing row. To use the LOAD statement, you must have Insert privileges for the table where you want to insert data.

What is type of data load?

There are two main types of data loading processes: a full load and an incremental load.

How does load data work?

The LOAD DATA statement reads rows from a text file into a table at a very high speed. The file can be read from the server host or the client host, depending on whether the LOCAL modifier is given. LOCAL also affects data interpretation and error handling. LOAD DATA is the complement of SELECT ...

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