{"id":27606,"date":"2025-04-26T04:44:07","date_gmt":"2025-04-26T04:44:07","guid":{"rendered":"http:\/\/www.withdata.com\/blog\/?p=27606"},"modified":"2026-03-05T05:52:25","modified_gmt":"2026-03-05T05:52:25","slug":"store-video-files-in-oracle-blob","status":"publish","type":"post","link":"https:\/\/www.withdata.com\/blog\/blob\/store-video-files-in-oracle-blob.html","title":{"rendered":"Store video files in Oracle BLOB"},"content":{"rendered":"<p>Video files can be stored as Oracle BLOB data.<\/p>\n<p><!-- Core Compatible Type & Fundamentals --><\/p>\n<h2>1. Core Compatible Type &amp; Oracle BLOB Fundamentals<\/h2>\n<p>Oracle Database is an enterprise-grade relational database that natively supports the <strong>BLOB<\/strong> (Binary Large Object) data type, designed for storing large binary files such as videos. Oracle BLOB has a maximum storage capacity of 4GB per column, fully compatible with all mainstream video formats (AVI, MP4, WMV, MOV, MPEG, FLV, etc.).<\/p>\n<p>Key characteristics of Oracle BLOB for video storage:<\/p>\n<ul>\n<li>Tablespace dependency: Oracle BLOB columns must be assigned to a dedicated tablespace (separate from regular data) to optimize read\/write performance for large video files.<\/li>\n<li>NOLOGGING option: Enable <code>NOLOGGING<\/code> for BLOB columns during table creation to reduce redo log overhead when importing large video files.<\/li>\n<li>BFILE integration: For video files exceeding 4GB, combine BLOB (metadata storage) with BFILE (external file pointer) to extend storage capacity.<\/li>\n<\/ul>\n<p><!-- Key Operational Steps --><\/p>\n<h2>2. Key Operational Steps for Video Storage<\/h2>\n<h3>2.1 Table Creation<\/h3>\n<p>Create a dedicated table for video storage with a BLOB column and auxiliary metadata columns (optimize query and management efficiency):<\/p>\n<ul>\n<li>Assign BLOB column to a dedicated tablespace (e.g., VIDEO_TBS).<\/li>\n<li>Include metadata columns: file_name (VARCHAR2), file_format (VARCHAR2), file_size (NUMBER), upload_date (TIMESTAMP) etc.<\/li>\n<\/ul>\n<p>SQL Code for Table Creation:<\/p>\n<pre><code>-- Create dedicated tablespace for video BLOB data (optional but recommended)\r\nCREATE TABLESPACE VIDEO_TBS \r\nDATAFILE '\/u01\/app\/oracle\/oradata\/ORCL\/video_tbs01.dbf' \r\nSIZE 10G AUTOEXTEND ON NEXT 1G MAXSIZE UNLIMITED;\r\n\r\n-- Create video storage table with BLOB column\r\nCREATE TABLE video_storage (\r\n    id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,\r\n    video_blob BLOB \r\n        STORE AS SECUREFILE (TABLESPACE VIDEO_TBS NOLOGGING COMPRESS HIGH),\r\n    file_name VARCHAR2(255) NOT NULL,\r\n    file_format VARCHAR2(50) NOT NULL,\r\n    file_size NUMBER NOT NULL,\r\n    upload_date TIMESTAMP DEFAULT SYSTIMESTAMP\r\n);<\/code><\/pre>\n<h3>2.2 Video File Storage (Write)<\/h3>\n<p>SQL Code to Insert Video BLOB Data (using PL\/SQL):<\/p>\n<pre><code>-- PL\/SQL script to insert video file into Oracle BLOB\r\nDECLARE\r\n    v_blob BLOB;\r\n    v_file UTL_FILE.FILE_TYPE;\r\n    v_buffer RAW(32767);\r\n    v_bytes_read BINARY_INTEGER := 32767;\r\nBEGIN\r\n    -- Initialize empty BLOB\r\n    INSERT INTO video_storage (video_blob, file_name, file_format, file_size)\r\n    VALUES (EMPTY_BLOB(), 'sample_video.mp4', 'MP4', 104857600)\r\n    RETURNING video_blob INTO v_blob;\r\n\r\n    -- Open local video file (need DIRECTORY object permission)\r\n    v_file := UTL_FILE.FOPEN('VIDEO_DIR', 'sample_video.mp4', 'rb', 32767);\r\n\r\n    -- Read file and write to BLOB\r\n    WHILE v_bytes_read = 32767 LOOP\r\n        UTL_FILE.READ_RAW(v_file, v_buffer, v_bytes_read);\r\n        DBMS_LOB.WRITEAPPEND(v_blob, v_bytes_read, v_buffer);\r\n    END LOOP;\r\n\r\n    -- Close file and commit\r\n    UTL_FILE.FCLOSE(v_file);\r\n    COMMIT;\r\nEXCEPTION\r\n    WHEN OTHERS THEN\r\n        UTL_FILE.FCLOSE(v_file);\r\n        RAISE;\r\nEND;\r\n\/<\/code><\/pre>\n<p>Use <a href=\"\/dbblobeditor\/\">DBBlobEditor<\/a> (GUI\/CLI) to <a href=\"https:\/\/www.withdata.com\/blog\/oralobeditor\/import-videos-to-oracle-blob.html\">Batch import video files into Oracle BLOB<\/a>.<\/p>\n<h3>2.3 Video File Retrieval (Read)<\/h3>\n<p>SQL Code to Extract BLOB Data:<\/p>\n<pre><code>-- Select BLOB data for specific video\r\nSELECT \r\n    video_blob,\r\n    file_name,\r\n    file_format\r\nFROM \r\n    video_storage\r\nWHERE \r\n    id = 1; -- Target video ID\r\n\r\n-- PL\/SQL script to export BLOB to local file\r\nDECLARE\r\n    v_blob BLOB;\r\n    v_file UTL_FILE.FILE_TYPE;\r\n    v_buffer RAW(32767);\r\n    v_pos INTEGER := 1;\r\n    v_blob_len INTEGER;\r\nBEGIN\r\n    -- Get BLOB data from table\r\n    SELECT video_blob INTO v_blob \r\n    FROM video_storage \r\n    WHERE id = 1;\r\n\r\n    v_blob_len := DBMS_LOB.GETLENGTH(v_blob);\r\n    v_file := UTL_FILE.FOPEN('VIDEO_DIR', 'exported_video.mp4', 'wb', 32767);\r\n\r\n    -- Write BLOB to file\r\n    WHILE v_pos &lt;= v_blob_len LOOP\r\n        DBMS_LOB.READ(v_blob, 32767, v_pos, v_buffer);\r\n        UTL_FILE.WRITE_RAW(v_file, v_buffer);\r\n        v_pos := v_pos + 32767;\r\n    END LOOP;\r\n\r\n    -- Close file and commit\r\n    UTL_FILE.FCLOSE(v_file);\r\n    COMMIT;\r\nEXCEPTION\r\n    WHEN OTHERS THEN\r\n        UTL_FILE.FCLOSE(v_file);\r\n        RAISE;\r\nEND;\r\n\/<\/code><\/pre>\n<p>Use <a href=\"\/dbblobeditor\/\">DBBlobEditor<\/a> (GUI\/CLI) to <a href=\"https:\/\/www.withdata.com\/blog\/oralobeditor\/oracle-export-blob-to-video.html\">Batch export Oracle BLOB to VIDEO files<\/a>.<\/p>\n<p><!-- Best Practices --><\/p>\n<h2>3. Key Best Practices<\/h2>\n<ul>\n<li><strong>Tablespace Optimization<\/strong>: Store BLOB data in a separate tablespace (e.g., VIDEO_TBS) with autoextend enabled to avoid storage exhaustion for large video files.<\/li>\n<li><strong>4GB+ Video Handling<\/strong>: Use BFILE type to reference external video files (stored on file system) and store only metadata in BLOB columns.<\/li>\n<li><strong>Performance Tuning<\/strong>: Use SecureFiles (instead of BasicFiles) for BLOB columns to enable compression, deduplication, and encryption for video data.<\/li>\n<li><strong>Security<\/strong>: Restrict UTL_FILE directory access to authorized users and enable Transparent Data Encryption (TDE) for BLOB columns storing sensitive video content.<\/li>\n<\/ul>\n<p><!-- Common Issues & Solutions --><\/p>\n<h2>4. Common Issues &amp; Solutions<\/h2>\n<ul>\n<li><strong>Issue<\/strong>: UTL_FILE permission denied when accessing video files.\n<ul>\n<li>Solution: Create a DIRECTORY object and grant READ\/WRITE permissions (e.g., <code>CREATE DIRECTORY VIDEO_DIR AS '\/path\/to\/videos'; GRANT READ, WRITE ON DIRECTORY VIDEO_DIR TO your_user;<\/code>).<\/li>\n<\/ul>\n<\/li>\n<li><strong>Issue<\/strong>: BLOB insertion failed due to 4GB size limit.\n<ul>\n<li>Solution: Use BFILE for external storage or split large video files into multiple BLOB chunks (not recommended for production).<\/li>\n<\/ul>\n<\/li>\n<li><strong>Issue<\/strong>: Slow BLOB read\/write for large video files.\n<ul>\n<li>Solution: Enable <code>CACHE<\/code> for frequently accessed video BLOBs and increase DB_BLOCK_SIZE (if possible) to 8KB\/16KB.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<hr \/>\n<h2>Related Guides<\/h2>\n<ul>\n<li><a href=\"\/blog\/blob\/video-in-blob.html\">Store video (AVI, MP4, WMV, MOV, MPEG, FLV, etc.) files in BLOB<\/a><\/li>\n<li><a href=\"\/blog\/blob\/store-video-files-in-db2-blob.html\">Store video files in DB2 BLOB<\/a><\/li>\n<li><a href=\"\/blog\/blob\/store-video-files-in-sql-server-varbinary.html\">Store video files in SQL Server VARBINARY<\/a><\/li>\n<li><a href=\"\/blog\/blob\/store-video-files-in-mysql-blob.html\">Store video files in MySQL BLOB<\/a><\/li>\n<li><a href=\"\/blog\/blob\/store-video-files-in-postgresql-bytea.html\">Store video files in PostgreSQL BYTEA<\/a><\/li>\n<li><a href=\"\/blog\/blob\/store-video-files-in-sqlite-blob.html\">Store video files in SQLite BLOB<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Video files can be stored as Oracle BLOB data. 1. Core Compatible Type &amp; Oracle BLOB Fundamentals Oracle Database is an enterprise-grade relational database that natively supports the BLOB (Binary Large Object) data type, designed for storing large binary files such as videos. Oracle BLOB has a maximum storage capacity of 4GB per column, fully [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4524],"tags":[97,1325,2079],"class_list":["post-27606","post","type-post","status-publish","format-standard","hentry","category-blob","tag-blob","tag-oracle","tag-video"],"_links":{"self":[{"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/posts\/27606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/comments?post=27606"}],"version-history":[{"count":4,"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/posts\/27606\/revisions"}],"predecessor-version":[{"id":45305,"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/posts\/27606\/revisions\/45305"}],"wp:attachment":[{"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/media?parent=27606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/categories?post=27606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.withdata.com\/blog\/wp-json\/wp\/v2\/tags?post=27606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}