title: postgresql field concatenate with delimiter
body: <p>Figure :</p>
  
  <p><a href="https://i.stack.imgur.com/klTMf.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/klTMf.png" alt="enter image description here"></a></p>
  
  <p>I'm sorry I created Google Translation
  This enables the character to combine?
  It "," it is separated on the column
  While merging the col1 and col2 "|" To be separated</p>