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SQL - PARSE() Function
The SQL PARSE() function is a conversions function that converts String data to the desired data format and returns the outcome as an expression. It is advised to utilize this SQL PARSE function to change the string data into a Date/Time or Numeric type.
Syntax
Following is the syntax of the SQL PARSE() function −
PARSE ( string_value AS data_type [ USING culture ] )
Parameters
This function accepts only three parameter. The same is described below −
string_value − It is the expression that we want to change to a specific data type.
data_type − It is the datatype that we want to convert the string_value.
culture − It is an optional parameter for which the cukture of string value is formatted.
Letâs look into the cultures supported by the parse in the below table −
CULTURE | FULLNAMEA | LANGUAGUE |
---|---|---|
en-US | us_english | English |
de-DE | Deutsch | German |
fr-FR | Français | French |
ja-JP | æ¥æ¬èª | Japanese |
da-DK | Dansk | Danish |
es-ES | Español | Spanish |
it-IT | Italiano | Italian |
nl-NL | Nederlands | Dutch |
nn-NO | Norsk | Norwegian |
pt-PT | Português | Portuguese |
fi-FI | Suomi | Finnish |
sv-SE | Svenska | Swedish |
Cs-CZ | ÄeÅ¡tina | Czech |
Hu-HU | magyar | Hungarian |
Pl-PL | polski | Polish |
Ro-RO | românÄ | Romanian |
hr-HR | hrvatski | Croatian |
Sk-SK | slovenÄina | Slovak |
Sl-SI | slovenski | Slovenian |
El-GR | ελληνικά | Greek |
bg-BG | бÑлгаÑÑки | Bulgarian |
Ru-RU | ÑÑÑÑкий | Russian |
Tr-TR | Türkçe | Turkish |
en-GB | British | British English |
Et-EE | eesti | Estonian |
lv-LV | latviešu | Latvian |
lt-LT | lietuvių | Lithuanian |
pt-BR | Português (Brasil) | Brazilian |
zh-TW | ç¹é«ä¸æ | Traditional Chinese |
Ko-KR | íêµì´ | Korean |
zh-CN | ç®ä½ä¸æ | Simplified Chinese |
ar-SA | Arabic | Arabic |
Th-TH | à¹à¸à¸¢ | Thai |
Example
Let us try to PARSE the string into datetime2 by using the following query −
SELECT PARSE('THURSDAY, 23 february 2023' AS datetime2 USING 'zh-CN') AS Result;
Output
When we execute the above query, the output is obtained as follows −
+------------------------------------+ | Result| +------------------------------------+ | 2023-02-23 00:00:00.0000000 | +------------------------------------+
Example
Let's look into the another scenario to PARSE the string into datetime by using the following query −
SELECT PARSE('02/23/2023' AS DATETIME) AS Result;
Output
When we execute the above query, the output is obtained as follows −
+------------------------------------+ | Result| +------------------------------------+ | 2023-02-23 00:00:00.000 | +------------------------------------+
Example
Let's try to prase the string into int by using the following query −
SELECT PARSE('123.000' AS INT) AS Result;
Output
On executing the above query, the output is displayed as follows −
+------------------------------------+ | Result| +------------------------------------+ | 123 | +------------------------------------+
Example
Considering the following example, where we are going to parse string to numeric by running the following query −
DECLARE @string AS VARCHAR(9) SET @string = '56789' SELECT PARSE(@string AS DECIMAL(8, 2)) AS decimalresult; SELECT PARSE(@string AS MONEY) AS moneyresult;
Output
On executing the above query, the output is displayed as follows −
+-------------------+ | decimalresult | +-------------------+ | 56789.00 | +-------------------+ +-------------------+ | moneyresult | +-------------------+ | 56789.00 | +-------------------+
Example
Let's look into the following example, where we are going to prase with NULL values by running the following query −
SELECT PARSE(NULL AS INT) AS Result;
Output
The output for the above query is produced as given below −
Argument data type NULL is invalid for argument 1 of parse function.
Example
Look at the other scenario, where we are passing NULL as a parameter and checking the result by using the following query −
DECLARE @txt AS VARCHAR(22); SET @txt = NULL SELECT PARSE(@txt AS INT) AS Result;
Output
If we compile and run the above query, the result is produced as follows −
+------------------------------------+ | Result| +------------------------------------+ | NULL | +------------------------------------+
Example
let's look into the following example, where parse() function to parse string to date using the following query −
SELECT PARSE('February/23/2023' AS date) AS Result;
Output
On executing the above query, it will generate the following output as shown below −
+------------------------------------+ | Result| +------------------------------------+ | 2023-02-23 | +------------------------------------+
Example
Letâs consider another example, where we are going to use the parse to convert to numeric types by using the following query −
SELECT PARSE('1,2,3,4,5' AS int) As Result;
Output
When the query gets executed, it will generate the output as shown below −
+------------------------------------+ | Result| +------------------------------------+ | 12345 | +------------------------------------+
Example
Considering the following example, where we are using the parse with different culture and checking the result by using the following query −
SELECT PARSE('30,000' AS decimal(8,2) USING 'en-US') AS inEnglish ; SELECT PARSE('30,000' AS decimal(8,2) USING 'fr-FR') AS inFrench;
Output
When we execute the above query, the output is obtained as follows −
+-------------------+ | inEnglish | +-------------------+ | 30000.00 | +-------------------+ +-------------------+ | inFrench | +-------------------+ | 30.00 | +-------------------+