How to Concat String From Accept In Oracle?

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To concatenate strings in Oracle, you can use the || operator. This operator allows you to combine multiple strings into one. For example, if you want to concatenate the strings 'Hello' and 'World', you can do so like this:


SELECT 'Hello' || 'World' FROM dual;


This will result in the output 'HelloWorld'. You can also concatenate column values from a table by using the || operator in a SELECT statement. Just specify the column names and the desired concatenation sequence.

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How to concatenate strings using the CONCAT_WS function in Oracle?

To concatenate strings using the CONCAT_WS function in Oracle, you can follow these steps:

  1. Write a SELECT statement and use the CONCAT_WS function to concatenate the strings.
  2. The syntax of the CONCAT_WS function is as follows: CONCAT_WS(separator, string1, string2, string3, ...)
  3. Specify the separator as the first parameter in the CONCAT_WS function. This separator is used to separate the concatenated strings.
  4. Specify the strings that you want to concatenate as subsequent parameters in the function.


Example:

1
2
SELECT CONCAT_WS(',', 'John', 'Doe', '123 Main Street') AS full_name_address
FROM dual;


This will concatenate the strings 'John', 'Doe', and '123 Main Street' with a comma separator between them and return the result as 'John,Doe,123 Main Street'.


What is the SQL standard for string concatenation in Oracle?

In Oracle, the SQL standard for string concatenation is the double pipe (||) operator. For example:


SELECT first_name || ' ' || last_name FROM employees;


How to concatenate strings with a space in Oracle?

In Oracle, you can concatenate strings using the || operator. To concatenate two strings with a space in between, you can use the following syntax:

1
2
SELECT string1 || ' ' || string2 AS concatenated_string
FROM your_table;


In this example, string1 and string2 are the two strings you want to concatenate, and the || ' ' || part is used to add a space between the two strings. The result will be a new string with the two original strings concatenated with a space in between.

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