# Functions ## Index ### Aggregate Functions
${item.topic} | ${item.topic} | ${item.topic}
### 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}
### Window Functions
${item.topic} | ${item.topic} | ${item.topic}
## Details Click on the header to switch between railroad diagram and BNF. ## Aggregate Functions ### ${item.topic}
    ${item.syntax}
${item.railroad} ${item.text} Example: ${item.example} ## 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} ## Window Functions ### ${item.topic}
    ${item.syntax}
${item.railroad} ${item.text} Example: ${item.example}