decode function in microsoft sql server

For more information, see SQL Server PowerShell. SQL Server built-in functions are either deterministic or nondeterministic. For more information, see Deterministic and Nondeterministic Functions. The Oracle DECODE() function allows you to add the procedural if-then-else logic to the query. Power View. In this article. The following example returns the security identification number for the Windows user London\Workstation1. Is it possible to pass an entire string rather than char by char? Encoding can always be used to handle characters that are not supported in Windows PowerShell paths. SQL Server Express, and SQL Compact Edition . parameter list? Applies to: Answer: You can use an aggregation in combination with the GROUP BY clause to calculate the aggregation on categories of rows. Perform operations to convert to and from character representations of graph node and edge IDs. Can I write a decode function in the following way? Visit Microsoft Q&A to post new questions. Use one of two methods to encode a SQL Server identifier: Specify the hexadecimal code for the unsupported character using the syntax %XX, where XX is the hexadecimal code. Is there a decode function in SQL Server to decode a UUEncode or a double byte character? How can I handle this in SQL? I have a sql query where I need to pass an optional parameter if the person id is 1, then it should ask for an optional parameter of company ID. Let's see the following example: SELECT DECODE ( 1, 1, 'Equal' ); Code language: SQL (Structured Query Language) (sql) In this example, the DECODE () function compares the first argument (one) with the second argument (also one). Analytics Platform System (PDW). SQL Server (all supported versions) Is there a decode function in SQL Server to decode a UUEncode or a double byte character? DECODE function in Standard Query Language (SQL) is used to add procedural IF - THEN - ELSE like statements to a query. In particular, you need to close ) for DECODE, e.g. Modified 4 years, . Thanks. The function returns the first valueN for which keyN matches expr . Ah, I see. As mentioned, you can't use this function if you're running MySQL or Microsoft's SQL Server. But can you clarify exactly what you are trying to do, its hard to follow your explanation. Limitations and Restrictions The Encode-Sqlname and Decode-Sqlname cmdlets only encode or decode the characters that are allowed in SQL Server-delimited identifiers, but are not supported in PowerShell paths. Those two functions are Oracle-specific as well. Decode function in SQL Server? 2. Transact-SQL Syntax Conventions. Applies to: SQL Server 2012 (11.x) and later. The DECODE function is supported in the various versions of the Oracle/PLSQL, including, Oracle 12c, Oracle 11g, Oracle 10g and Oracle 9i. Archived Forums 381-400 > . Frequently Asked Questions Question: One of our readers wanted to know how to use the DECODE function to compare two dates (that is: date1 and date2), where date1 > date2, the DECODE function should return date2. 1. For more information, see Bit manipulation functions. In SQL Server the equivalent code is CASE statement. Bit manipulation functions allow you to process and store data more efficiently than with individual bits. Because they are equal, the function returns the third argument which is the string 'One': Azure SQL Managed Instance More info about Internet Explorer and Microsoft Edge. DECODE(PersonID,'1',CompanyID) IN (PCompanyID, PersonID), You can CASE Statement (equivalent of Decode function) in SQL Server, something like this:-, http://www.sqlservercentral.com/Forums/Topic475321-149-1.aspx, http://stackoverflow.com/questions/1559241/decode-function-in-sql-server. (to name just a few) even though Oracle has long since supported the ISO. Otherwise, the DECODE function should return date1. In this example, the Decode function compares the first and second arguments. Applies to: - Text and Image Functions. SQL Server (all supported versions) Perform operations and return information about values, objects, and settings in an instance of SQL Server. Azure Synapse Analytics Were sorry. SELECT COUNTRYtable, DECODE(COUNTRYtable, 'JP', 'X') FROM ,~OWNER~. Here are the examples regarding how DECODE can be written in SQL Server. However, unlike aggregate functions, analytic functions can return multiple rows for each group. SQL Server-delimited identifiers sometimes contain characters not supported in Windows PowerShell paths. [, default] ) Now put your values here: In your case expression is : 2 search is : 2. expression matched with search so result is DECODE (3,7,2,4,5,6). Microsoft SQL 2016 decode Base64 column. They're allowed in the select list or the HAVING clause of a SELECT statement. In the following example, the Oracle DECODE () function compares the first argument (1) with the second argument (1). In Azure Synapse Analytics, CREATE FUNCTION can return a table by using the syntax . Also . Ranking functions are nondeterministic. Return statistical information about the system. In our db we have double byte characters (for Chinese). In our db we have double byte characters (for Chinese). Returns. Functions are nondeterministic when they could return different results every time they're called, even with the same specific set of input values. standard alternatives. A user-defined function is a Transact-SQL routine that accepts parameters, performs an action, such as a complex calculation, and returns the result of that action as a value. Applies to: SQL Server (all supported versions) Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) Returns the MD2, MD4, MD5, SHA, SHA1, or SHA2 hash of its input in SQL Server. What is the function in SQL that works like DECODE in Oracle?" Thanks, N As you know CASE is not the same as DECODE . If no defValue was specified the result is NULL. Learn about the categories of built-in functions you can use with SQL databases. My best guess is you want to return the personID if its not 1, and return back the companyID if the personID is 1 but it must also be in your optional multivalue Scalar functions can be used wherever an expression is valid. What is decode function in Oracle with example? Functions that take a character string input and return a character string output use the collation of the input string for the output. SELECT DECODE (Letters, 'First',1, 'Second',2, 'Third',3, 0) AS LN. But its throwing error as missing right paranthesis.. select * Analytic functions compute an aggregate value based on a group of rows. What is DECODE function? I want to convert this piece of the query to run in SQL Server its taken from an Oracle query: SELECT x.JudgmentMonth, MAX (DECODE (x.RecordType, '1', x.Volumes)) CONSUMER, MAX (DECODE (x.RecordType, '2', x.Volumes)) COMMERCIAL FROM (SELECT r.JudgmentMonth, r.RecordType, r.Volumes FROM dset r) x GROUP BY x.JudgmentMonth. Pass the identifier as a quoted string to the. Archived Forums 341-360 > . If no keyN matches expr, defValue is returned if it exists. The result is of the least common type of the valueN and defValue. For example the data stored is "单" and when I retrieve the data to export it to excel I want to decode it to it's original character, Use NCHAR() functionhttp://msdn.microsoft.com/en-us/library/ms182673.aspx. from table1 Is it possible to do it in SQL? In our db we have double byte characters (for Chinese). Functions that take non-character inputs and return a character string use the default collation of the current database for the output. Yet I still see Oracle developers today using the legacy. System Statistical Functions. The Oracle DECODE () function allows you to add the procedural if-then-else logic to the query. The DECODE function works on Oracle and Informix databases. There are two SQL Server PowerShell modules; SqlServer and SQLPS. SQL Server Reporting Services, Power View . For more information, see Deterministic and Nondeterministic Functions. A decode function basically performs the task of CASE statements. One of the readers of the blog has sent me a question regarding how to use the DECODE function in SQL Server. Azure SQL Database Perform operations and return information about values, objects, and settings in an instance of SQL Server. In this case make sure your query can be run in Oracle. Perform operations on text or image input values or columns, and return information about the value. but SQL Server hsa no functionality equivalent to DECODE so you will have to adapt CASE to do the job.--Daniel A. Morgan University of Washington da*****@x.washington.edu (replace 'x' with 'u' to respond) OK, then, what does . Syntax SQL Server does not have DECODE function as build-in functions. 0. The SqlServer module contains updated versions of the cmdlets in SQLPS and includes new cmdlets to support the latest SQL features. So, Decode will be applied on the query. DECODE is an advanced function that the Oracle database supports. You can use analytic functions to compute moving averages, running totals, percentages, or top-N results within a group. I've updated my answer. Aggregate functions perform a calculation on a set of values and return a single value. In Analytics Platform System (PDW), the return value must be a scalar (single) value. I've read your other comments about getting the month name, and I think the DATENAME function should do the trick. The Encode-SqlName cmdlet takes as input a SQL Server identifier. Is it a UDF? The equivalent sql command is a CASE statement: For example: declare @t table (id int identity,code varchar (25)) insert @t (code) select 'A' UNION ALL select 'B' UNION ALL select 'C' UNION ALL select 'D' UNION ALL select 'E' UNION ALL select 'F' select * from @t -- select id,code, case id when 1 then code++convert (varchar (10),id) when 2 then . It is not available in MySQL or SQL Server. For more information, see Collation Precedence (Transact-SQL). Functions that take multiple character string inputs and return a character string use the rules of collation precedence to set the collation of the output string. Operate on a single value and then return a single value. Is it possible to pass an entire string rather than char by char? The OVER clause can't follow the GROUPING or GROUPING_ID aggregations. Perform operations on a date and time input values and return string, numeric, or date and time values. More info about Internet Explorer and Microsoft Edge, Deterministic and Nondeterministic Functions. We have Oracle DB and Reporting services as BI Tool. For example the data stored is "" and when I retrieve the data to export it to excel I want to decode it to it's original character . Use the CASE function instead. Depending on the function that is used, some rows might receive the same value as other rows. Azure Synapse Analytics Install the SqlServer module from the PowerShell Gallery. The Encode-Sqlname and Decode-Sqlname cmdlets only encode or decode the characters that are allowed in SQL Server-delimited identifiers, but are not supported in PowerShell paths. CREATE FUNCTION DECODE (@CondField as nvarchar (100),@Criteria as nvarchar (100), @True Value as nvarchar (100), @FalseValue as nvarchar (100)) returns nvarchar (100) begin return case when @CondField = @Criteria then @TrueValue else @FalseValue end end. For this function NULL matches NULL. Some hacking required but we can do this with LIKE, PATINDEX, LEFT AND RIGHT and good old string concatenation. As result is again a decode so same pattern will apply. select decode (personID, '1', companyID, personID), table1. Return statistical information about the system. Is there a decode function in SQL Server to decode a UUEncode or a double byte character? The SqlServer module is the current PowerShell module to use. Oracle implemented SQL92 features much later than IBM, Microsoft or Sybase. DECODE ( expression , search , result [, search , result]. The SQLPS module is included with the SQL Server installation (for backward compatibility) but is no longer updated. In my SQL statement I'm replacing any instance of JP with the letter 'X. COUNTRYtable WHERE Decode Function - Microsoft SQL Server: Programming - Tek-Tips In the following example, the Oracle DECODE() function compares the . Ask Question Asked 6 years, 1 month ago. This forum has migrated to Microsoft Q&A. The function then returns the string '1' since they were found equal. Analytics Platform System (PDW). The following are the characters encoded by Encode-SqlName and decoded by Decode-SqlName: This example specifies the encoded version of the ":" character (%3A): Alternatively, you can use Encode-SqlName to build a name supported by Windows PowerShell: Use the Decode-Sqlname cmdlet to replace the hexadecimal encodings with the characters represented by the encoding. If you need to know which is better on another DBMS platform, I suggest you post your question to a forum for that specific DBMS. What I did was use a split function that I have to split the string on ; and then used COALESCE function to combine the values to get one string. SQL Server, SQL Server Express, and SQL Compact Edition, http://msdn.microsoft.com/en-us/library/ms182673.aspx. Return information about the database and database objects. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Azure SQL Database The Decode-SqlName cmdlet takes as input an encoded SQL Server identifier and returns the original identifier. DECODE is a function in Oracle and is used to provide if-then-else type of logic to SQL. The SQL DECODE () function allows you to add procedure if-then-else logic to queries. 1. Perform calculations based on input values provided as parameters to the functions, and return numeric values. Some hacking required but we can do this with LIKE, PATINDEX, LEFT AND RIGHT and good old string concatenation. Decode syntax can be looked as following. It compares a given expression with each search value one by one and returns a result on the basis of outcomes received from the comparison. These characters can be specified by encoding their hexadecimal values. It outputs a string with all the characters that are not supported by the Windows PowerShell language encoded with "%xx". where DECODE( PersonID,'1', CompanyID in (:PCompanyID), PersonID). non-standard, non-portable features such as the (+) join syntax, DECODE, NVL. Ranking functions return a ranking value for each row in a partition. A CASE expression is an ANSI-standard SQL construct. Youll be auto redirected in 1 second. 3. The following example returns the security identification number for the SQL Server sa login. *, where companyID in (:companyID) or personID <> 1, SQL Server Reporting Services, Power View. DECODE (which does not exist in T-SQL) is a proprietary function of some other DBMS products, of which most also support ANSI-standard SQL CASE expressions. SQL Server, SQL Server Express, and SQL Compact Edition, http://msdn.microsoft.com/en-us/library/ms182673.aspx. creating a function for this, then: create function fnDecodeBase64 (@encoded as varchar(max)) returns varchar(max) as begin declare @decoded varchar(max) set @decoded = cast('' as xml).value('xs:base64Binary(sql:variable("@encoded . The following is the syntax of the Oracle Decode () function: DECODE (expression , search , result [, search , result] [, default (optional)]) Click Here - Get Prepared for SQL Interviews. Perform operations on text or image input values or columns, and return information about the value. Support data type casting and converting. For example the data stored is "单" and when I retrieve the data to export it to excel I want to decode it to it's original character, Use NCHAR() functionhttp://msdn.microsoft.com/en-us/library/ms182673.aspx. The Decode-SqlName cmdlet takes as input an encoded SQL Server identifier and returns the original identifier. The DECODE function will compare each suppl_id value, one after the other. If The person's ID is not equal to 1 then it should not ask for any company ID. Rowset functions Return an object that can be used like table references in an SQL statement. Use the OVER clause to calculate the aggregation on a specific range of value. All aggregate functions are deterministic, which means they always return the same value when they run on the same input values. Share. I am not familiar . It is used to work as an IF-THEN-ELSE statement. User1048192908 posted. Azure SQL Managed Instance Return information about the current configuration. Characters that are not supported in Windows PowerShell path names can be represented, or encoded, as the "%" character followed by the hexadecimal value for the bit pattern that represents the character, as in "**%**xx". Thanks. SELECT SUSER_SID('sa'); GO C. Using SUSER_SID with a Windows user name. What I did was use a split function that I have to split the string on ; and then used COALESCE function to combine the values to get one string. Decode function in SQL Query. The content you requested has been removed. I don't have access to SQL Server right now, but let me know if there are any issues with this query. Create a function in SQL Server as below and replace the DECODE with dbo.DECODE. I believe Sandy is using an oracle datasource, problem is that oracle query is not correct as you cannot use an in clause as a decode result value. Functions are deterministic when they always return the same result anytime they're called by using a specific set of input values. FROM LettersTable. You can use the built-in functions or create your own user-defined functions. Return information about users and roles. 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