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How do I read BLOB data in SQL Server?

To read BLOB data, you need to use the SqlDataReader class of ADO.NET. The use of SqlDataReader class to read BLOB data can be best understood with an example. You will develop a simple application that manages photos stored in a SQL Server database. 28 июл. 2008 г.


How do I view BLOB data?

1 Answer1Open data window of your table.2The BLOB cell will be named as (BLOB).3Right click the cell.4You will see a pencil icon. ... 5It will open a blob editor window.6You would find two check boxes against the option View as : Image or Text.7Select the appropriate check box.

How can use BLOB datatype in SQL Server?

The only difference being usage of BLOB data type instead of any other data type. We can simply use the keyword BLOB for using binary large object data type in MySQL and ORACLE databases. However, other databases such as PostgreSQL and SQL SERVER call binary large objects data types as BYTEA, binary instead.

How do I extract a BLOB?

1from your database in 4 easy steps. using SQL Blob Export.2STEP 1: Create a new export project. This allows you to. ... 3STEP 2: Enter the connection properties for the database. ... 4STEP 3: Select the table you want to extract the items from. ... 5STEP 4: Enter the folder name to store the exported items.

What is the method to retrieve BLOB type data on the database?

Retrieving blob from database The getBytes() method of the Blob Interface retrieves the contents of the current Blob object and returns as a byte array. Using the getBlob() method you can get the contents of the blob in to a byte array and create an image using the write() method of the FileOutputStream object.

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