How do I load a text file into SQL Loader?

Posted on by Emilia Duggan

How do I load a text file into SQL Loader?

Example to Load CSV file into database table:

  1. Place the file in D:\ folder.
  2. Create a table in Oracle according to data in CSV file. create table scott.test(name varchar2(50),amount number,start_date date) ;
  3. Create a control file.
  4. Run the SQLLDR utility for import the datafile into table.
  5. Check the table values.

How do I load a text file into Oracle table using SQL Loader?

Prepare the input files In the control file: The load data into table emails insert instruct the SQL*Loader to load data into the emails table using the INSERT statement. The fields terminated by “,” (email_id,email) specifies that each row in the file has two columns email_id and email separated by a comma (,).

How do I import a CSV file into Oracle SQL Loader?

Import csv into database table (SQL* Loader)

  1. Create a table inside database which will be used for rows to import from csv file.
  2. Create a sample csv file at OS level on your database server.
  3. Put some dummy data into the csv file.
  4. Save the .csv file and close it.
  5. Create sql loader control file with .ctl extension.

Why SQL Loader is faster than insert?

A direct path load is faster than the conventional path for the following reasons: Partial blocks are not used, so no reads are needed to find them, and fewer writes are performed. SQL*Loader need not execute any SQL INSERT statements; therefore, the processing load on the Oracle database is reduced.

What is SQL Loader in SQL?

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 bad file in SQL Loader?

Specifying the Bad File. When SQL*Loader executes, it can create a file called a bad file or reject file in which it places records that were rejected because of formatting errors or because they caused Oracle errors.

How fast is SQL Loader?

And the Results! That, according to my math is 10,753 records inserted per second. So, using SQL*Loader was 3,144% faster than SQL Developer.