# Functions ## Index ### Numeric Functions
${item.topic} | ${item.topic} | ${item.topic}
### String Functions
${item.topic} | ${item.topic} | ${item.topic}
### Time and Date Functions
${item.topic} | ${item.topic} | ${item.topic}
### System Functions
${item.topic} | ${item.topic} | ${item.topic}
### JSON Functions
${item.topic} | ${item.topic} | ${item.topic}
### Table Functions
${item.topic} | ${item.topic} | ${item.topic}
## Details Click on the header of the function to switch between railroad diagram and BNF. Non-standard syntax is marked in green. Compatibility-only non-standard syntax is marked in red, don't use it unless you need it for compatibility with other databases or old versions of H2. ## Numeric Functions ### ${item.topic}
    ${item.syntax}
${item.railroad} ${item.text} Example: ${item.example} ## String Functions ### ${item.topic}
    ${item.syntax}
${item.railroad} ${item.text} Example: ${item.example} ## Time and Date Functions ### ${item.topic}
    ${item.syntax}
${item.railroad} ${item.text} Example: ${item.example} ## System Functions ### ${item.topic}
    ${item.syntax}
${item.railroad} ${item.text} Example: ${item.example} ## JSON Functions ### ${item.topic}
    ${item.syntax}
${item.railroad} ${item.text} Example: ${item.example} ## Table Functions ### ${item.topic}
    ${item.syntax}
${item.railroad} ${item.text} Example: ${item.example}