How do I read a file in PL SQL?

You need to check that (a) the directory exists (b) you have permissions to read from the directory (c) the file exists (d) that you have permissions to read the file (try opening it through the OS) and (e) that the oracle user has permissions to open the file (run the GRANT command).

Table of Contents

What is Dba_data_files?

DBA_DATA_FILES describes database files. Column. Datatype.

How do I view tablespace in SQL Developer?

Check Tablespaces in Oracle SQL Developer From the shortcut menu, choose Manage Database option. Then on the right side, it will open a window displaying tablespaces information as shown in the below screenshot.

How do I import a text file into Oracle SQL Developer?

Importing Delimited Device Files into an Oracle Database using Oracle SQL Developer

Connect to your schema and right-click on Tables.
Check Header.
Choose Insert for your Import Method.
Select the columns you wish to import.

What is different about V datafile and Dba_data_files?

Moreover, dba_data_file is a data dictionary view which is static and will hold the data across startup and shutdown while v$datafile is a dynamic performance view which is populated with the new information at each startup. Information in the dynamic performance views comes from control file and memory structures.

What is the difference between bytes and Maxbytes in Dba_data_files?

If you have autoextensible datafiles then you will have MAXBYTES set to the maximum file size you specify when creating the datafile. If you do not use all of that file then you will have MAXBYTES bigger than BYTES. Thats the case when the MAXBYTES will be 0 and logically, yes, the BYTES will be greater than MAXBYTES.

How do I view data files in tablespace?

You can view all the tablespace in your system from the dba_tablespace as shown below. SELECT * from DBA_TABLESPACES; To view all the datafiles of a particular tablespace, execute the following command. This command will display all the datafiles that as currently associated with thegeekstuff tablespace.

How do I check tablespace usage?

This query will show you what’s there and how much space are free to use.

SELECT df. tablespace_name “Tablespace”,
totalusedspace “Used MB”,
(df. totalspace – tu. totalusedspace) “Free MB”,
df. totalspace “Total MB”,
ROUND(100 * ( (df. totalspace – tu.
FROM.
(SELECT tablespace_name,
ROUND(SUM(bytes) / 1048576) TotalSpace.

What is SQL tablespace?

A tablespace is a unit of database storage that is roughly equivalent to a file group in Microsoft SQL Server. Tablespaces allow storage and management of database objects within individual groups.

What are SQL tablespaces?

How do I import data into SQL Developer?

2 Answers

Create a connection to the database in SQL Developer.
Create a table as a destination for the xls data.
save excel data as csv.
right click on the table from step 2.
select ‘import data’
select csv file.
use the wizzard.

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

Import csv into database table (SQL* Loader)

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