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What Is Sql Loader?

Elena Rostova • • 7 min read
What Is Sql Loader?
SQL*Loader is a bulk loader utility used for moving data from external files into the Oracle database. Its syntax is similar to that of the DB2 load utility, but comes with more options. SQL*Loader supports various load formats, selective loading, and multi-table loads.

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In this way, what is SQL Loader in Oracle example?

SQL LOADER utility is used to load data from other data source into Oracle. For example, if you have a table in FOXPRO, ACCESS or SYBASE or any other third party database, you can use SQL Loader to load the data into Oracle Tables. Convert the Data into Flat file using third party database command.

Furthermore, is SQL Loader an ETL tool? But these tools typically can't take advantage of the high-performance capabilities of the ETL tools, or the brand-specific loading tools, like Oracle's SQL*Loader utility. They just do traditional database inserts either via ODBC or JDBC.

Subsequently, question is, how does SQL Loader work?

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 Boundfiller in SQL Loader?

Specifying Filler Fields. A filler field, specified by BOUNDFILLER or FILLER is a data file mapped field that does not correspond to a database column. Filler fields are assigned values from the data fields to which they are mapped.

Related Question Answers

Why SQL Loader is faster than insert?

SQL*Loader is the more efficient method. It gives you more control. You have an option do DIRECT load and NOLOGGING , which will reduce redo log generation, and when indexes have been disabled (as part of direct loading), the loading goes faster. Downside, is if load is interupted, indexes are left unusable .

How do I skip a header in SQL Loader?

One can skip unwanted header records or continue an interrupted load (for example if you run out of space) by specifying the "SKIP=n" keyword. "n" specifies the number of logical rows to skip.
Elena Rostova
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Elena Rostova

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.