And the data present in the Employee Details Table is: In this series of frequent examples we are going to use the standard stored procedure SP_RENAME to rename SQL Server Table name and column name. In MariaDB 10.0.1, column names can be either numbers or strings. The syntax is as follows − SELECT DISTINCT TABLE_NAME,Column_Name FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'yourDatabaseName'; Here, we have a database with the name ‘sample’ with tables. The need: I had to generate a report showing some counts divided by month, basically the columns represent the months and the user has the possibility to pick a date range. Get Column Names From Table Example 2. The column is located on the table entitled Menu.Here is an example of how to change it: Options: Reply• Quote. Posted by: LEANDRO AREVALO Date: November 02, 2020 06:29AM Good morning to all At this moment I have the need to create a trigger, but according to the value returned by the month (coldate) function, it updates a specific column in another table. Only numbers could be used as column names in this version. A more practical approach is to create a temporary table and then dynamically change it’s columns before inserting into the temp table. SQL aliases are used to give a table, or a column in a table, a temporary name. Sql Get Column Names From Table. How to check a number is divisible by any number in php. Line 11 checks whether the name of any existing column in the table matches a column in the list to exclude. MySQL Query with dynamic column name. You rename a column in MySQL using the ALTER TABLE and CHANGE commands together to change an existing column. email is in use. But things like table names and column names are not allowed to be variables in a SQL statement. Alias Column … Navigate: Previous Message• Next Message. Using dynamic SQL to query from any table example. +1 (416) 849-8900. Written By. In SQL you can't use a variable for an object of column name, you have explicit to address the names. Hide Copy Code. Views. Viewed 11k times 3. SYS.COLUMNS Method. But you have to be careful using it. MySQL Forums Forum List » Stored Procedures. Dynamic column name while operating with NEW/OLD. Advanced Search. But as we know that SQL Server is a robust enterprise database, it facilitates the power of dynamic SQL which can generate and execute T-SQL commands dynamically, this technique can be used to generate and execute dynamic PIVOT query. Simple: it compiles the SQL too early for you, so it rightly assumes that @COL is a variable, not a column name, and at run time it compares the content of @COL against 'P' rather than using "the content of the column named by @COL". SELECT column_name AS alias_name FROM table_name; Alias Table Syntax. If a column name matches, lines 12 and 13 set the PASS_THROUGH and FOR_READ properties for it to FALSE. User-defined columns (names are stored in a table) were added over the years (and are still added) and I need a way to retrieve every row where a given column has a given value. Is it possible to dynamically select a column name in MYSQL where the column name is 1 of N known values? Don't tell someone to read the manual. The content must be between 30 and 50000 characters. So, in this article let us understand how to rename a column name in SQL. The column is located on the table entitled Menu.Here is an example of how to change it: Sql Get Column Names From Table. SELECT column_name(s) FROM table_name AS alias_name; Demo Database. The following query will find the column names from a table in MySQL and returns all the columns of the specified table. You have to pass like below but if both values are same then why your writing lengthy code? The only way to do that is use build your command into a string, and use EXEC to run the result: table and column name parsing is conducted early in the SQL command execution process and have been replaced before any of the actual query is executed. In MS SQL Server, you have to use the stored procedure called sp_rename. The available data: The desired data should look like: Steps * Download the sample database here. The following table lists all dynamic system variables applicable within mysqld. Posted. You want to generate column names dynamically from these dates, and show the relevant results as values for these new columns instead of values in different rows. Method 1: Using INFORMATION_SCHEMA.COLUMNS SELECT * FROM INFORMATION_SCHEMA.COLUMNS --WHERE TABLE_NAME = N'YourTableName' Method 2: Using Sys … Like select all column name in sequence from Table A. This ensure brackets [] are placed around the column names. Ask Question Asked 7 years, 2 months ago. While creating a MySQL table use the reserved keyword ‘Key’ Can we use “rank” as column name with MySQL8? Subject. does someone have a solution tks stroek. this query Result is with join. COLUMNS WHERE TABLE_NAME … Dynamic SQL is very powerful and has many uses. If through testing it becomes clear that the performance is … Is name a reserved word in MySQL? These column names are unique location values, and due to the nature of how a pivot table works, need to be included in the query, for that location’s values to be displayed in the results. The statement SELECT @Columns = @Columns… iterates through the result and repeatedly concatenates the next location name to @Columns. Options: Reply• Quote. Transact-SQL . From your description, however, it's not entirely clear why you have to use a different table every few days.

It may not be the most elegant, but it will work and you can extend your columns as well

 Ask Question Asked 5 years, 9 months ago. Thanks, Ashish . This post includes the queries for creating database, creating tables, get join data of two tables and finally getting column names dynamically from row values with simple example. For example, you can use the dynamic SQL to create a stored procedurethat queries data against a table whose name is not known until runtime. Here is an example: SELECT NAME, COLUMN_ID FROM SYS.COLUMNS WHERE object_id = OBJECT_ID('Sales.Orders') text/html 7/7/2016 9:47:03 AM Pratap09 0. Advanced Search. Make it a text call with the following statement. This Frequently asked Questions explains how to find the list of Column names in a Table using sys.columns. The code loops through the array of new_cols, and for each value, it uses DBMS_TF.column_metadata_t to define a new column of type NUMBER. MySQL Forums Forum List » Triggers. This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL). This time I’ll try to dig a little bit into the fabulous realm of SQL and see how we can generate a nice report with dynamic columns. This query will generate column names dynamically from row values. To learn column names we must write the code below. 0. For this tip, I have imported the FactInternetSales table from AdventureWorksDW2012. I want to put the all column names in select statement in dynamic way of my all diferent-2 tables. We can easily learn the names of columns which table name specified. To learn column names we must write the code below. MySQL provides a dynamic environment that enables you to alter database items with a few basic commands. Please see the corresponding item descriptions for details on setting and using the variables. my column name stored in another table. YOU MAY WANT TO SEE OUR ALL EXAMPLES PAGE, THEN CLICK HERE. An alias only exists for the duration of the query. But as we know that SQL Server is a robust enterprise database, it facilitates the power of dynamic SQL which can generate and execute T-SQL commands dynamically, this technique can be used to generate and execute dynamic PIVOT query. This post describes how to dynamically generate column names from row values in MySQL databases, also known as pivot tables. In this article, I have explained what a pivot table in SQL is and how to create one. Views. As you can see, we have now provided the name of the column ... As you can see in the image above, the pivot table in SQL is dynamically modified without having to modify the underlying code behind. You can use a WHERE condition to limit the list of columns to a specific table. dynamic column name (using where) 3110. The problem with all of this is the dynamic nature of the column names. In this tutorial we will use the well-known Northwind sample database. Thanks Olaf.. Thursday, July 7, 2016 9:47 AM. Dynamic column names - Microsoft SQL / MS SQL Server. Conclusion. However, if possible I would avoid using dynamic column names. Occasionally I get questions about how to create a T-SQL result set with dynamic column names. To demonstrate the SQL rename table name and column name, We are going to use the Employees Details table present in our [SQL Test] Database. Can i know what is this '#Temp2.EmpId)';what you expecting from me? What we are trying to achieve is a combination of six columns (this can be any number of columns as metrics in your case though). See this Microsoft documentation on some current limitations of Dynamic M query parameters. Let us see various methods. A dynamic SQL statement works in its own execution environment, like a stored procedure. Hi all! New Topic. Chances are they have and don't get it. Navigate: Previous Message• Next Message. Renaming a Database Column . Prerequisites. In this post you will learn how to get row values of two tables in separate columns using MySql queries. Answers text/html 1/19/2016 7:07:22 AM bahushekh 0. SYS.COLUMNS is a system catalogue view which gives the details about the columns from all the tables in the database. Next, lines 17–24 define the new columns. Tuesday, January 19, 2016 5:55 AM. If a column name matches, lines 12 and 13 set the PASS_THROUGH and FOR_READ properties for it to FALSE. The new columns names would be generated in stage 2, crosstab. Navigate: Previous Message• Next Message. e.g. What its mean "I need a.DATE_TIME field to find right column name in parentheses. This is called dynamic SQL. For example, say the column is currently named Soda, but you decide that Beverage is a more appropriate title. Here is an example of how to use it and get the names … It allows you to create more general purpose and flexible SQL statement because the full text of the SQL statements may be unknown at compilation. First, declare two variables, @table for holding the name of the table from which you want to query and @sql for holding the dynamic SQL. To change a column name, enter the following statement in your MySQL shell: ALTER TABLE your_table_name RENAME COLUMN original_column_name TO new_column_name; Exchange the your_table_name, original_column_name, and new_column_name with your table and column names. This post includes the queries for creating database, creating tables, get join data of two tables and finally getting column names dynamically from Olaf Helper ... You cannot pass a column name, table name or other structural information is a parameter in SQL. Note : We are using three rows for example you will get these rows values in single row with their values in separate columns. June 13, … Last edit at 06/13/2007 08:51AM by William Chiquito. Get Columns from Table using PHP and MySQL I have a source table with these columns: I also have a destination table like this: The destination table has 1440 rows, with the minute column filled in (1 row for each minute in the day). Any early help will be highly appreciated ! In reporting services we’re used to handling column names as static entities. Number of row counts based on group by clause in SQL server, Create a dynamic table where its row numbers is based on SQL table data, Sql Server 2008 table row to table column conversion, Get column name dynamically by Specific row value, Sql - select rows from table where column values matched as column name in another table. Re: dynamic column name (using where) Posted by: William Chiquito Date: June 27, 2007 08:09AM Hi rosli, You can use another data type like for example VARCHAR, TEXT, MEDIUMTEXT. How can we use the MySQL reserved words as an identifier? Depending on the situation the order of the columns may change or the calling side is unaware of the formatted names and so on. 0. Even, we can learn data types. This tutorial contains all the commands needed to rename a column in a MySQL database. If a question is poorly phrased then either ask for clarification, ignore it, or. The problem with all of this is the dynamic nature of the column names. 3. Note that the table parameter also includes an array of its columns, so you can loop through these as shown in line 10. You can use INFORMATION_SCHEMA.COLUMNS table to display MySQL table name with columns. text/sourcefragment … Options: Reply• Quote. Finally, lines 26–28 return the new column array to the client. -- Query to Get Column Names From Table in SQL Server USE [SQL Tutorial] GO SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = N'NewCustomers' OUTPUT. Written By. There are several ways to get the the list of column names of a table on a specific SQL Server database. Date: June 13, 2007 05:30AM Hello All, I'm trying to us a parameter as column name like: Select * From SM_Clients where @Selection like @SelectionChar+'%' This dos not work. Also, SQL Server does not provide any built in functionality which can be used in this scenario. It may often happen that, we see a requirement to change the name of the column in the database to serve their purpose. Very often using dynamic names introduces other problems and complexity when the result set is used. Posted. In this article, we will show How to convert rows to columns using Dynamic Pivot in SQL Server. [font="Arial"] “Write the query the simplest way. I want to display my dynamic column value in select query. The dynamic columns feature was introduced into MariaDB in two steps: MariaDB 5.3 was the first version to support dynamic columns. This time I’ll try to dig a little bit into the fabulous realm of SQL and see how we can generate a nice report with dynamic columns. You can use the information schema view INFORMATION_SCHEMA.COLUMNS. Though this dynamic SQL is not very useful, it illustrates a dynamic SQL very well. Can we use MySQL keyword as alias name for a column? Let’s say you have a table or the results of a query with some values by date in different rows. In this article, I will go through these methods. Dynamic SQL (shown in Mark's answer) is the only way to go when you want to make table names dynamic. Dynamic SQL is a programming technique that allows you to construct SQL statements dynamically at runtime. 1. Subject. Declare @DynamicColString NVARCHAR(1000) Set … This adds the new columns to … Also, SQL Server does not provide any built in functionality which can be used in this scenario. So here is how we’ll build our report given the fact these column names can and will change over time. In an earlier article, I have used this schema view to check if column exists. TO DOWNLOAD THE SAMPLE LİBRARY DATABASE CLICK. While it’s easy to create an entirely dynamic SQL statement that can display the dynamic column names, those statements become difficult to read and maintain. Viewed 4k times 2. Olaf Helper [ Blog] Marked as answer by Pratap09 Thursday, July 7, 2016 10:58 AM; Thursday, July 7, 2016 9:26 AM. If you used a single table with a dedicated date column to store the date of each day's dataset, you wouldn't have this problem in the first place. Step 4. Could you help me please? This query will generate column names dynamically from row values. Posted. dynamic column name (using where) 3116. stroek tette. In particular, the local variables are scaler values of a known data type. In this post you will learn how to get row values of two tables in separate columns using MySql queries. Introduction. First, we use the built-in function QUOTENAME to properly format the column name. User-defined columns (names are stored in a table) were added over the years (and are still added) and I need a way to retrieve every row where a given column has a … Query to get single row with dynamic columns. The table lists each variable's data type and scope. How can we use MySQL function STR_TO_DATE(Column, ‘%input_format’)? I want to display my dynamic column value in select query. Dynamic column names Forum – Learn more on SQLServerCentral. Sign in to vote. 1. select ColumnName from LCompanySpecificColumns CSC where CSC.Label='Duration' and CSC.CompanyCode = 'DE' and CSC.TableName = 'LProducts' and CSC.SelecterType = 'Kias-Soc'. 5050. Aliases are often used to make column names more readable. While it’s easy to create an entirely dynamic SQL statement that can display the dynamic column names, those statements become difficult to read and maintain. How to remove index.php from url in codeigniter ? Is there any way to proceed with binlog in SQL-like syntax ? It's simply not possible (without dynamic SQL). Even, we can learn data types. 	20 Bay Street, 11th Floor Toronto, Ontario, Canada M5J 2N8
 The process of renaming column name is MS SQL Server is different when compared to the other databases. Information Schema View Method. The last column indicates whether the scope for each variable is Global, Session, or both. An alias only exists for the duration of the query. Answer: This is a very popular question and there are multiple ways to get column names of a specific table in SQL Server. The need: I had to generate a report showing some counts divided by month, basically the columns represent the months and the user has the possibility to pick a date range. I explain: Table orders order_id INT … TO DOWNLOAD THE SAMPLE LİBRARY DATABASE CLICK. I am using 7.0 and trying to generate a sql statement that allows me to a select a column that is defined as a variable. Do you need your, CodeProject,
 The “fields” will be used to hold the fields name related to each table. Written By. Just follow the steps of the tutorial and you will get the value you want which you can modify according to your need. "? Hello, in your sample you created new fields val1, val2 and val3 with the content of “fieldvalue”, I need something similar but name the new fields with the content: 1,2,3 perhaps with a character before: C_1, C_2, C_3 and the content with zeros; Do you think this is possible? SELECT COLUMN_NAME FROM INFORMATION_SCHEMA. trigger with dynamic column name. It's simply not possible (without dynamic SQL). I fear the answer will be a straight 'no', but I was wondering if it's possible to do something such as the following in MySQL: SELECT (title||label||name) FROM table. YOU MAY WANT TO SEE OUR ALL EXAMPLES PAGE, THEN CLICK HERE. SQL Aliases. Creating a dynamic SQL is simple, you just need to make it a string as follows: To execute a dynamic SQ… You rename a column in MySQL using the ALTER TABLE and CHANGE commands together to change an existing column. It is clear from your SQL composition that you will pass SQL-like clauses, such as foo = 1 AND bar = 'hello world', and that you use them in a WHERE clause in your composed SQL string. The syntax is as follows − SELECT DISTINCT TABLE_NAME,Column_Name FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'yourDatabaseName'; Here, we have a database with the name ‘sample’ with tables. To rename column name in MySQL, you need to use the ALTER and CHANGE commands. At the tremination of a stored procedure all the local temporary tables (#...) are deleted, because this is the semantics of local temporatry tables. This trick allows us to build a single value from many rows. For example, say the column is currently named Soda, but you decide that Beverage is a more appropriate title. Alexander Panyutin. SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'db_name' AND TABLE_NAME = 'tbl_name' Use TABLE_SCHEMA to select the columns of a table from a specific database. I recommend to you to make your question in: MSDN Forums » SQL Server Edited 1 time(s). Hello, I took below error when I need #Temp2 column. The same applies to the execution of a dynamic SQL … Views. Aliases are often used to make column names more readable. my column name stored in another table. In SQL you can't use a variable for an object of column name, you have explicit to address the names. Subject. You can use INFORMATION_SCHEMA.COLUMNS table to display MySQL table name with columns. Understand that English isn't everyone's first language so be lenient of bad
 select ColumnName from LCompanySpecificColumns CSC where CSC.Label='Duration' and CSC.CompanyCode = 'DE' and CSC.TableName = 'LProducts' and CSC.SelecterType = 'Kias-Soc' this query Result is with join AttributeC02 AttributeC02 AttributeC02 AttributeC02 
AttributeC02 is my column name … Active 5 years, 8 months ago. Active 7 years, 2 months ago. We can easily learn the names of columns which table name specified. Sign in to vote. Alias Column Syntax. Thank you for your time. This Frequently asked Questions explains how to find the list of Column names in a Table using sys.columns.-- Query to Get Column Names From Table in SQL Server USE [SQL Tutorial] GO SELECT name FROM sys.columns WHERE OBJECT_ID = OBJECT_ID('NewCustomers') OUTPUT Get Column Names From Table Example 2. As you can see, we have now provided the name of the column “Subject” as the first parameter and the list of pivot columns as the second column. if your getting columns name from other table(#temp1) then give its id in filter condition like 'SET @query=N'select '+(select Col_Names FROM #Temp1 WHERE ID=12)+' from #Temp2' '.Here ID(12) belongs to column(EmpId). New Topic. Renaming a Database Column . I have also demonstrated a simple scenario in which you can implement pivot tables. To make the query dynamic, our task is to automatically generate the column name list based off the data. how to sort array according to date in PHP. Similarly I see people with issues creating temporary tables with dynamic column names. You can do it. So here is how we’ll build our report given the fact these column names can and will change over time. So create a new report in your solution and add a new DataSet. … Let us first create a table − mysql> create table DemoTable796 ( StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, Name varchar(100), StudentAge int ); … In reporting services we’re used to handling column names as static entities. By learning how to use various statements, you can manage your databases with ease. Provide an answer or move on to the next question. Solution. You can choose the method which you prefer to use for your solutions. With the help of SQL or Structured Query Language, the Database Administrators store, update, manipulate and retrieve data in relational databases. The “field value” will be used to hold the value of each field. So you have to build the SQL statement and then execute it. 			spelling and grammar. This
 If you are using MS SQL Server I believe that you are not in the correct forum. In this article, we will show How to convert rows to columns using Dynamic Pivot in SQL Server.  By date in php rows for example you will learn how to dynamically select a column the! From any table example field to find the list of column names from. View to check if column exists we must write the code below SQL-like! Not pass a column in the correct Forum the process of renaming column name in sequence table! All of this is the dynamic nature of the column names are not allowed to be variables a... Table or the results mysql dynamic column name a known data type and scope have explicit to address the names the fact column. Build our report given the fact these column names we must write the code below of... Content must be between 30 and 50000 characters a query with some values by date php!, say the column is currently named Soda, but you decide Beverage. Lists each variable 's data type and scope that allows you to SQL. Names are not in the database to use for your solutions are mysql dynamic column name. Months ago where ) 3116. stroek tette clarification, ignore it, or a?! Both values are same then why your writing lengthy code choose the method which you can your. Is currently named Soda, but you decide that Beverage is a system catalogue view which gives details! Text/Sourcefragment … if you are using three rows for example, say the column name MS... At runtime first, we will use the stored procedure called sp_rename in. Your description, however, it 's simply not possible ( without dynamic SQL statement works in its own environment... Of my all diferent-2 tables like below but if both values are same then why your writing code... Sql / MS SQL Server does not provide any built in functionality which can be numbers. To each table we use “ rank ” as column name matches, 26–28. Change or the results of a query with some values by date different! Column indicates whether the scope for each variable 's data type shown in 's! Next question of this is the only way to proceed with binlog in syntax... The PASS_THROUGH and FOR_READ properties for it to FALSE ask for clarification ignore! An earlier article, I will go through these methods '' Arial '' ] “ the... Server, you need to use for your solutions a more practical approach is to automatically generate the is! Explains how to create one the new column array to the next question the needed. Alias name for a column in the correct Forum so on its mean `` I need Temp2! Alias column … SQL get column names more readable procedure called sp_rename a new.... And CSC.SelecterType = 'Kias-Soc ' can modify according to your need names –! Find right column name is MS SQL Server Edited 1 time ( s ) ask for clarification ignore. 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Columns = @ Columns… iterates through the result set is used mean `` I #... Will use the built-in function QUOTENAME to properly format the column name list based off the data explains to! Get row values EXAMPLES PAGE, then CLICK here around the column name matches, 26–28... Names would be generated in stage 2, crosstab column indicates whether the name any. Dynamic nature of the tutorial and you will get the the list of column name, you explicit... Under the code below details on setting and using the variables create one text call with the of! 'S not entirely clear why you have explicit to address the names ‘ % input_format ’ ) would be in... In MySQL using the ALTER table and change commands together to change an existing column know what is '... Data should look like: steps * Download the sample database here creating temporary with! 'S answer ) is the only way to proceed with binlog in SQL-like syntax reserved keyword ‘ Key ’ we... Names and column names can be either numbers or strings please mysql dynamic column name the corresponding item descriptions for on... Function QUOTENAME to properly format the column names we must write the code below for... I would avoid using dynamic names introduces other problems and complexity when the result and concatenates! Are using MS SQL Server Edited 1 time ( s ) from table_name ; alias syntax... Manipulate and retrieve data in relational databases dynamically generate column names can and will change over time use. To check a number is divisible by any number in php to properly format the column currently... Are placed around the column name in MySQL using the ALTER table and change commands together to an... Will generate column names are not in the database is the only way to go when you want which can! N'T get it specific SQL Server unaware of the column name is 1 of N values! ] are placed around the column name in MySQL using the variables Session, or.. Array of its columns, so you can modify according to your.. Name or other structural information is a more practical approach is to automatically generate column. In the correct Forum is 1 of N known values learn more on SQLServerCentral query from any example! Works in its own execution environment, like a stored procedure which gives the details about the columns change... This post you will get these rows values in MySQL, you have to like... Select query is used to use the MySQL reserved words as an identifier of field... ) from table_name ; alias table syntax get these rows values in MySQL, you can not pass a?! Implement pivot tables the well-known Northwind sample database explains how to find right column,! And will change over time a SQL statement works in its own environment...: steps * Download the sample database here explained what a pivot table in SQL the fields. Of renaming column name in SQL you ca n't use a where condition to the! Are same then why your writing lengthy code, in this mysql dynamic column name, we MySQL. Any number in php names in a table on a specific table function QUOTENAME to properly format column. Procedure called sp_rename address the names of columns to a specific SQL Server is different when compared the! 'S not entirely clear why you have to pass like below but if values! Or Structured query language, the database MySQL, you have mysql dynamic column name table on a specific SQL Server does provide! To date in different rows structural information is a programming technique that allows you to your! When compared to the other databases … you can not pass a name. In your solution and add a new report in your solution and add a DataSet! Use a variable for an object of column names can and will change over.! It ’ s say you have to pass like below but if both values are same then why writing! 'S answer ) is the dynamic nature of the query dynamic, task. Table using sys.columns, say the column name with columns value in select statement in dynamic way my! From LCompanySpecificColumns CSC where CSC.Label='Duration ' and CSC.SelecterType = 'Kias-Soc ' be used as column list. Statement in dynamic way of my all diferent-2 tables statements, you have to pass like below if! Query from any table example steps * Download the sample database select a column in the database system view. The duration of the tutorial and you will learn how to dynamically select a column name, have. The value you want to make column names name specified the client... you can modify according to date php!, our task is to automatically generate the column names Forum – learn more on SQLServerCentral 13 set the and., SQL Server spelling and grammar appropriate title phrased then either ask for clarification ignore. And has many uses first, we use MySQL keyword as alias for..., 2016 9:47 AM that Beverage is a programming technique that allows you to construct SQL statements at. Columns to a specific SQL Server, you have to pass like below but if both are! Dynamic names introduces other problems and complexity when the result set is.. The sample database 2 months ago poorly phrased then either ask for clarification, ignore it or... However, it 's simply not possible ( without dynamic SQL is and to... Is how we ’ re used to hold the value of each field however, 's..., in this article let us understand how to rename a column in where. License ( CPOL ) to the other databases table_name … the problem with all of this is the dynamic of!