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dev:sql:functions:concatenation [2010/07/08 22:43] els |
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| - | [[dev:sql:functions | <<Back to SQL Functions>> | ||
| ====== Omnidex SQL Function: || (Concatenation) ====== | ====== Omnidex SQL Function: || (Concatenation) ====== | ||
| ===== Description ===== | ===== Description ===== | ||
| - | The concatenation operator - || (two vertical bars) - returns a single concatenated character string made up of two or more character expressions. All blanks are preserved during concatenation. Use the TRIM function to eliminate blanks if desired. A concatenation operator on two character strings (CHARACTER_DATATYPE_COLUMN1 || CHARACTER_DATATYPE_COLUMN2) will return a CHARACTER string; everything else will return a C STRING. | + | The concatenation operator - || (two vertical bars) - returns a single concatenated character string made up of two or more character expressions. All blanks are preserved during concatenation. Use the TRIM function to eliminate blanks if desired. |
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| + | A concatenation operator on two character strings (CHARACTER_DATATYPE_COLUMN1 || CHARACTER_DATATYPE_COLUMN2) will return a CHARACTER string; everything else will return a STRING. | ||
| ===== Syntax ===== | ===== Syntax ===== | ||
| + | |||
| character_expression || character_expression [ || character_expression ...] | character_expression || character_expression [ || character_expression ...] | ||
| ===== Examples ===== | ===== Examples ===== | ||
| - | ==== Example 1: Column + text + Column ==== | + | ==== Example 1: Concatenating both columns and text ==== |
| <code> | <code> | ||
| > select 'Individual: ' || individual || ' Name: ' || name first_line from individuals; | > select 'Individual: ' || individual || ' Name: ' || name first_line from individuals; | ||
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| Kathleen Tucker | Kathleen Tucker | ||
| </code> | </code> | ||
| + | ====== Additional Resources ====== | ||
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| + | See also: | ||
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