在PL/SQL中可以通過以下方式查看表數據大小:
SELECT SUM(bytes) AS total_bytes
FROM user_segments
WHERE segment_name = 'YOUR_TABLE_NAME';
SELECT COUNT(*) AS total_rows
FROM YOUR_TABLE_NAME;
SELECT TABLE_NAME, NUM_ROWS, BYTES
FROM USER_TABLES
WHERE TABLE_NAME = 'YOUR_TABLE_NAME';
以上查詢語句可以幫助您查看表的數據大小和行數,從而了解表的存儲情況。