mirror of https://github.com/nocodb/nocodb
Raju Udava
1 year ago
18 changed files with 380 additions and 23 deletions
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--- |
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title: 'Create field' |
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--- |
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import Tabs from '@theme/Tabs'; |
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import TabItem from '@theme/TabItem'; |
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## Create field |
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1. Click on `+` icon to the right of `Fields header` |
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2. On the dropdown modal, enter the field name. |
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3. Select the field type from the dropdown. |
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4. [Optional] Default value can be set for the field. |
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--- |
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title: 'Numeric and Logical Operators' |
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--- |
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import Tabs from '@theme/Tabs'; |
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import TabItem from '@theme/TabItem'; |
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### Numeric operators |
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| Operator | Sample | Description | |
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|----------|-----------------------------|----------------------------------| |
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| `+` | `{Column1} + {Column2} + 2` | Addition of numeric values | |
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| `-` | `{Column1} - {Column2}` | Subtraction of numeric values | |
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| `*` | `{Column1} * {Column2}` | Multiplication of numeric values | |
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| `/` | `{Column1} / {Column2}` | Division of numeric values | |
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:::tip |
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To change the order of arithmetic operation, you can use round bracket parenthesis (). |
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Example: ({Column1} + ({Column2} * {Column3}) / (3 - $Column4$ )) |
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::: |
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### Logical operators |
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| Operator | Sample | Description | |
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|----------|--------------------------|--------------------------| |
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| `<` | `{Column1} < {Column2}` | Less than | |
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| `>` | `{Column1} > {Column2}` | Greater than | |
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| `<=` | `{Column1} <= {Column2}` | Less than or equal to | |
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| `>=` | `{Column1} >= {Column2}` | Greater than or equal to | |
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| `==` | `{Column1} == {Column2}` | Equal to | |
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| `!=` | `{Column1} != {Column2}` | Not equal to | |
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## Related Articles |
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- [Numeric Functions](020.numeric-functions.md) |
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- [String Functions](030.string-functions.md) |
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- [Date Functions](040.date-functions.md) |
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- [Conditional Expressions](050.conditional-expressions.md) |
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--- |
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title: 'Numeric functions' |
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--- |
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import Tabs from '@theme/Tabs'; |
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import TabItem from '@theme/TabItem'; |
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### Numeric functions |
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| Name | Syntax | Sample | Output | |
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|-------------|----------------------------|----------------------------------------|-------------------------------------------------------------------------------------------------------------| |
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| **ABS** | `ABS(value)` | `ABS({Column})` | Absolute value of the input parameter | |
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| **ADD** | `ADD(value1,[value2,...])` | `ADD({Column1}, {Column2})` | Sum of input parameters | |
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| **AVG** | `AVG(value1,[value2,...])` | `AVG({Column1}, {Column2})` | Average of input parameters | |
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| **CEILING** | `CEILING(value)` | `CEILING({Column})` | Rounded next largest integer value of input parameter | |
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| **EXP** | `EXP(value)` | `EXP({Column})` | Exponential value of input parameter (`e^x`) | |
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| **FLOOR** | `FLOOR(value)` | `FLOOR({Column})` | Rounded largest integer less than or equal to input parameter | |
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| **INT** | `INT(value)` | `INT({Column})` | Integer value of input parameter | |
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| **LOG** | `LOG([base], value)` | `LOG(10, {Column})` | Logarithm of input parameter to the base (default = e) specified | |
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| **MAX** | `MAX(value1,[value2,...])` | `MAX({Column1}, {Column2}, {Column3})` | Maximum value amongst input parameters | |
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| **MIN** | `MIN(value1,[value2,...])` | `MIN({Column1}, {Column2}, {Column3})` | Minimum value amongst input parameters | |
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| **MOD** | `MOD(value1, value2)` | `MOD({Column}, 2)` | Remainder after integer division of input parameters | |
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| **POWER** | `POWER(base, exponent)` | `POWER({Column}, 3)` | `base` to the `exponent` power, as in `base ^ exponent` | |
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| **ROUND** | `ROUND(value, precision)` | `ROUND({Column}, 3)` | Round input `value` to decimal place specified by `precision` (Nearest integer if `precision` not provided) | |
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| **SQRT** | `SQRT(value)` | `SQRT({Column})` | Square root of the input parameter | |
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## Related Articles |
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- [Numeric and Logical Operators](015.operators.md) |
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- [String Functions](030.string-functions.md) |
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- [Date Functions](040.date-functions.md) |
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- [Conditional Expressions](050.conditional-expressions.md) |
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--- |
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title: 'String functions' |
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--- |
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import Tabs from '@theme/Tabs'; |
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import TabItem from '@theme/TabItem'; |
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### String functions |
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| Name | Syntax | Sample | Output | |
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|-------------|----------------------------------|-------------------------------------|---------------------------------------------------------------------------| |
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| **CONCAT** | `CONCAT(str1, [str2,...])` | `CONCAT({Column1}, ' ', {Column2})` | Concatenated string of input parameters | |
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| **LEFT** | `LEFT(str1, n)` | `LEFT({Column}, 3)` | `n` characters from the beginning of input parameter | |
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| **LEN** | `LEN(str)` | `LEN({Column})` | Input parameter character length | |
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| **LOWER** | `LOWER(str)` | `LOWER({Column})` | Lower case converted string of input parameter | |
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| **MID** | `MID(str, position, [count])` | `MID({Column}, 3, 2)` | Alias for `SUBSTR` | |
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| **REPEAT** | `REPEAT(str, count)` | `REPEAT({Column}, 2)` | Specified copies of the input parameter string concatenated together | |
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| **REPLACE** | `REPLACE(str, srchStr, rplcStr)` | `REPLACE({Column}, 'int', 'num')` | String, after replacing all occurrences of `srchStr` with `rplcStr` | |
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| **RIGHT** | `RIGHT(str, n)` | `RIGHT({Column}, 3)` | `n` characters from the end of input parameter | |
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| **SEARCH** | `SEARCH(str, srchStr)` | `SEARCH({Column}, 'str')` | Index of `srchStr` specified if found, 0 otherwise | |
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| **SUBSTR** | `SUBTR(str, position, [count])` | `SUBSTR({Column}, 3, 2)` | Substring of length 'count' of input string, from the postition specified | |
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| **TRIM** | `TRIM(str)` | `TRIM({Column})` | Remove trailing and leading whitespaces from input parameter | |
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| **UPPER** | `UPPER(str)` | `UPPER({Column})` | Upper case converted string of input parameter | |
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| **URL** | `URL(str)` | `URL({Column})` | Convert to a hyperlink if it is a valid URL | |
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## Related Articles |
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- [Numeric and Logical Operators](015.operators.md) |
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- [Numeric Functions](020.numeric-functions.md) |
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- [Date Functions](040.date-functions.md) |
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- [Conditional Expressions](050.conditional-expressions.md) |
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--- |
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title: 'Date functions' |
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--- |
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import Tabs from '@theme/Tabs'; |
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import TabItem from '@theme/TabItem'; |
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| Name | Syntax | Sample | Output | Remark | |
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|-------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------|---------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| |
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| **NOW** | `NOW()` | `NOW()` | 2022-05-19 17:20:43 | Returns the current time and day | |
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| | `IF(NOW() < {DATE_COL}, "true", "false")` | `IF(NOW() < date, "true", "false")` | If current date is less than {DATE_COL}, it returns true. Otherwise, it returns false. | DateTime columns and negative values are supported. | |
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| **DATEADD** | `DATEADD(date \| datetime, value, ["day" \| "week" \| "month" \| "year"])` | `DATEADD(date, 1, 'day')` | Supposing {DATE_COL} is 2022-03-14. The result is 2022-03-15. | DateTime columns and negative values are supported. Example: `DATEADD(DATE_TIME_COL, -1, 'day')` | |
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| | | `DATEADD(date, 1, 'week')` | Supposing {DATE_COL} is 2022-03-14 03:14. The result is 2022-03-21 03:14. | DateTime columns and negative values are supported. Example: `DATEADD(DATE_TIME_COL, -1, 'week')` | |
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| | | `DATEADD(date, 1, 'month')` | Supposing {DATE_COL} is 2022-03-14 03:14. The result is 2022-04-14 03:14. | DateTime columns and negative values are supported. Example: `DATEADD(DATE_TIME_COL, -1, 'month')` | |
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| | | `DATEADD(date, 1, 'year')` | Supposing {DATE_COL} is 2022-03-14 03:14. The result is 2023-03-14 03:14. | DateTime columns and negative values are supported. Example: `DATEADD(DATE_TIME_COL, -1, 'year')` | |
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| | | `IF(NOW() < DATEADD(date,10,'day'), "true", "false")` | If the current date is less than {DATE_COL} plus 10 days, it returns true. Otherwise, it returns false. | DateTime columns and negative values are supported. | |
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| | | `IF(NOW() < DATEADD(date,10,'day'), "true", "false")` | If the current date is less than {DATE_COL} plus 10 days, it returns true. Otherwise, it returns false. | DateTime columns and negative values are supported. | |
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| **DATETIME_DIFF** | `DATETIME_DIFF(date, date, ["milliseconds" \| "ms" \| "seconds" \| "s" \| "minutes" \| "m" \| "hours" \| "h" \| "days" \| "d" \| "weeks" \| "w" \| "months" \| "M" \| "quarters" \| "Q" \| "years" \| "y"])` | `DATETIME_DIFF("2022/10/14", "2022/10/15", "second")` | Supposing {DATE_COL_1} is 2017-08-25 and {DATE_COL_2} is 2011-08-25. The result is 86400. | Compares two dates and returns the difference in the unit specified. Positive integers indicate the second date being in the past compared to the first and vice versa for negative ones. | |
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| | | `WEEKDAY(NOW(), "sunday")` | If today is Monday, it returns 1 | Get the week day of NOW() with the first day set as sunday | |
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| **WEEKDAY** | `WEEKDAY(date, [startDayOfWeek])` | `WEEKDAY(NOW())` | If today is Monday, it returns 0 | Returns the day of the week as an integer between 0 and 6 inclusive starting from Monday by default. You can optionally change the start day of the week by specifying in the second argument | |
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| | | `WEEKDAY(NOW(), "sunday")` | If today is Monday, it returns 1 | Get the week day of NOW() with the first day set as sunday | |
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|
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## Related Articles |
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- [Numeric and Logical Operators](015.operators.md) |
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- [Numeric Functions](020.numeric-functions.md) |
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- [String Functions](030.string-functions.md) |
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- [Conditional Expressions](050.conditional-expressions.md) |
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--- |
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title: 'Conditional expressions' |
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--- |
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import Tabs from '@theme/Tabs'; |
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import TabItem from '@theme/TabItem'; |
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|
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### Conditional expressions |
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| Name | Syntax | Sample | Output | |
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|------------|------------------------------------------------|------------------------------------------------|-------------------------------------------------------------| |
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| **IF** | `IF(expr, successCase, elseCase)` | `IF({Column} > 1, Value1, Value2)` | successCase if `expr` evaluates to TRUE, elseCase otherwise | |
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| **SWITCH** | `SWITCH(expr, [pattern, value, ..., default])` | `SWITCH({Column}, 1, 'One', 2, 'Two', '--')` | Switch case value based on `expr` output | |
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| **AND** | `AND(expr1, [expr2,...])` | `AND({Column} > 2, {Column} < 10)` | TRUE if all `expr` evaluate to TRUE | |
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| **OR** | `OR(expr1, [expr2,...])` | `OR({Column} > 2, {Column} < 10)` | TRUE if at least one `expr` evaluates to TRUE | |
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:::tip |
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Logical operators, along with Numerical operators can be used to build conditional `expressions`. |
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Examples: |
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``` |
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IF({marksSecured} > 80, "GradeA", "GradeB") |
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``` |
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``` |
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SWITCH({quarterNumber}, |
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1, 'Jan-Mar', |
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2, 'Apr-Jun', |
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3, 'Jul-Sep', |
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4, 'Oct-Dec', |
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'INVALID' |
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) |
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``` |
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::: |
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|
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## Related Articles |
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- [Numeric and Logical Operators](015.operators.md) |
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- [Numeric Functions](020.numeric-functions.md) |
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- [String Functions](030.string-functions.md) |
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- [Date Functions](040.date-functions.md) |
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