Sql 简明教程
SQL - Text & Image functions
SQL Text and Image functions 针对文本和图像数据进行操作。文本和图像函数包括−
SQL Text and Image functions operate on text and image data. The text and image functions are −
Sr.No. |
Function & Description |
1 |
TEXTPTR()Returns the pointer value of the text or images. |
2 |
TEXTVALID()Returns an integer value(1 for valid, 0 for non-valid). |