* A calculated column is just like any other column in a table and you can use it in any part of a report*. You can also use a calculated column to define a relationship if needed. The DAX expression defined for a calculated column operates in the context of the current row across that table. Any reference to a column returns the value of that column for the current row. You cannot directly access the values of other rows DAX. Introduced in December 2020, the DEFINE COLUMN statement lets you define a calculated column local to a query. The column is not persisted in the model, it exists only for the lifetime of the query. Apart from that, it is a calculated column in every sense of the term

- Here is a list of reasons that Calculated Columns can be bad. The results of your formula are calculated and stored in the table for every single row in the table. This takes up space on disk and also uses space in memory, and this will make your report less performant. If your table is 100 rows then it probably doesn't matter
- d that the table needs to read into the function when you are testing a calculated column, which is part of the ADDCOLUMNS function
- This seems to give me all calcuated columns including the forumla as well as cool info like the 'sort by column' (leave off the where clause if you want to see/document info about all your columns). select * from $SYSTEM.TMSCHEMA_COLUMNS where [Type] = 2; and for calculated measures . select * from $SYSTEM.TMSCHEMA_MEASURE
- A calculated column is a column that you add to an existing table (in the model designer) and then create a DAX formula that defines the column's values. Wenn eine berechnete Spalte eine gültige DAX-Formel enthält, werden für jede Zeile Werte berechnet, sobald die Formel eingegeben wird

I can do this do get calculated Columns, but it gives me other system generated ones. select * from $SYSTEM.TMSCHEMA_COLUMNS where [Type] = 2; I was playing around with various techniques to get table names not numbers with the columns, but not gotten that to work yet. Ideally I would have one query to get Calculated Columns and Measures, and calculated tables I might have created but not PBI. Return the name, the expression and for the table for the Columns/Measures for where they reside You can use DAX Studio to evaluate one or more measures in your data model. This is the first step to write, test, and debug your DAX measures in a productiv.. Selecting columns from multiple tables. The easiest way to generate a query using columns from multiple tables is to use the SUMMARIZECOLUMNS function. This function takes a list of columns, followed by an optional list of table expressions to use as filters, followed by an optional list of measures/expressions You can access column variables of previously defined table variables by SUMX function. Measure = var DaxTable = ADDCOLUMNS(...) var result = CALCULATE( SUMX( DaxTable , [amount]) ) return resul ** This will recalculate your model, and you'll be able to use your calculated objects**. Using DAX Studio. What if you don't want to install another tool just to recalculate your model? You can do it from DAX Studio! I'd guess that there are a lot of Power BI people who use DAX Studio but not SSMS

To retrieve your calculated columns in DAX Studio: Connect to your SSAS or Power BI instance an... Lawrence Coffee Apr 27, 2018 10:25 AM. Awesome! Very Helpful - Thank you ----- Lawrence Coffee Consultant Sa... 1. Extract DAX formulas. 0 Recommend. Pavan Sistla. Posted Apr 23, 2018 12:47 PM Hello Everyone, Greetings for the day !!! Could you please help me in extracting the DAX formulas. A calculated column is a column that you add to an existing PowerPivot table. Instead of pasting or importing values in the column, you create a DAX formula that defines the column values. The calculated column can be used in a PivotTable, PivotChart, or Power View report as you would any other data column Adds calculated columns to the given table or table expression. Syntax SELECTCOLUMNS(<table>, <name>, <scalar_expression> [, <name>, <scalar_expression>]) Parameter The Calculation Group is made up of Columns and Calculation Items. Each Calculation Item is a DAX calculated measure which leverages the function SELECTEDMEASURE () as well as other functions to work on the SELECTEDMEASURE. Two Columns can be defined in a calculation group EVALUATE is a DAX statement that is needed to execute a query. EVALUATE followed by any table expression returns the result of the table expression. Moreover, one or more EVALUATE statements can be preceded by special definitions like local tables, columns, measures, and variables that have the scope of the entire batch of EVALUATE statements executed together

Use **DAX** **Studio** to write and test the expression for a **calculated** table in Power BI.How to learn **DAX**: https://www.sqlbi.com/guides/**dax**/?aff=ytDAX **Studio**: http.. A calculated column is a column that you add to an existing table in the Data Model of your workbook by means of a DAX formula that defines the column values. Instead of importing the values in the column, you create the calculated column How to use RANKX in DAX (Part 2 of 3 - Calculated Measures) When I first started to play with DAX, one of the functions that seemed to confuse me more than it should, was how to add ranking to my data. It didn't seem to matter what the data was, if I followed the Read more about How to use RANKX in DAX (Part 1 of 3 - Calculated Columns)[ DAX Studio 2.14.0. (installer) Size: 8.26Mb | 18 Jan 2021 | downloads: 459. DAX Studio 2.14.0 (portable) Size: 12.55Mb | 18 Jan 2021 | downloads: 34. DAX Studio is the ultimate tool for executing and analyzing DAX queries against Microsoft Tabular models. Some of the many features DAX Studio supports includes Using DAX Studio to edit calculated fields or measures in Excel The editor for calculated fields in Excel (aka measures) isn't the greatest; this blog shows you how to install and use DAX Studio as a substitute editor. Posted by Andy Brown on 20 February 2015 You need a minimum screen resolution of about 700 pixels width to see our blogs. This is because they contain diagrams and tables which.

- This action (applying a filter on the Date column) is performed by all the time intelligence functions used in CALCULATE. DAX implements the same behavior if you define the relationship between Sales and Date using the Date column. Nevertheless, applying the Mark as a Date Table setting to a date table is a best practice
- A calculated column is a column that you add to an existing Power Pivot table. Instead of pasting or importing values in the column, you create a DAX formula that defines the column values. If you include the Power Pivot table in a PivotTable (or PivotChart), the calculated column can be used as you would any other data column
- The FILTER function in DAX allows you to iterate down the rows of any table, creating a row context for each and testing whether the row should be included in your calculation. You can combine filters using keywords like AND and OR and also nest one filter within another. The FILTER function allows you to perform some tasks which the CALCULATE function can't reach, and also (in my opinion) lets you create formulae which are easier to understand
- Returns a table with selected columns from the table and new columns specified by the DAX expressions. All products Azure AS Excel 2016 Excel 2019 Power BI Power BI Service SSAS 2012 SSAS 2014 SSAS 2016 SSAS 2017 SSAS 2019 SSDT Any attribute Context transition Row context Iterator CALCULATE modifier Deprecated Not recommende
- If I define calculated column in the Excel (DAX or similar to DAX ; example: Apr_month_over_month=[@[Apr_value]]-[@[Mar_value]]) and then I have to connect pivot table to this Excel table not the Query. If I need this column in the second tab I have to do the same second time. This leads me to define what is possible in the Query so it can be reused in many sheets. This Problem in Power BI.

** A few years ago I wrote this post on how to alias columns in a table in DAX, using a combination of AddColumns() and Summarize()**. The good news is that in Excel 2016/the Power BI Designer/SSAS Tabular 2016 there's a new DAX function specifically for this purpose: SelectColumns(). Here's an example of how it ca DAX studio from Microsoft is a very handy tool if you want to experiment with DAX queries outside of Power BI. I have listed some informative videos below. DAX Studio runs independently of Power.

The data comes from a Tabular model using the WideWorldImporters data warehouse as a source. The tip Using Calculated Tables in Analysis Services Tabular 2016 for Aggregate Tables - Part 3 has a walkthrough on how you can create such a Tabular model. The key to the solution is to create a disconnected table holding all the possible values that can be put on the columns axis of the matrix Method 1: Using PQ to Merge/Append the sales data and cost price, use DAX Measure to calculate the profit margin, or; Method 2: Using PQ to create a Unique SKU then use Relationship in DAX to. A calculated column is a column that you add to an existing PowerPivot table. Instead of pasting or importing values in the column, you create a DAX formula that defines the column values. The calculated column can be used in a PivotTable, PivotChart, or Power View report as you would any other data column. The benefit of it that it's convenient for us to modify the calculated column The main question of choosing between DAX and M comes from calculated column dilemma in my opinion. You can create many calculated columns in both M or DAX, and it is confusing where is the best place to do it, or why there are two different places to do it?! As an example; you can create a full name which is concatenated of FirstName and LastName column. You can do that in M, and also in DAX. So this question comes up that: Why two different places? Which one is best to use? can we always.

- If the
**column**is a decimal use the format #,0.00 If the**column**is a decimal number AND the name includes pct or % then use the format 0.00% This formatting of results is just one of the many small ways that I try to improve the user experience when working with queries in**DAX****Studio** - Because it is a calculated column, DAX computes it row by row and, for each row, it evaluates a different result. This is correct, but, from the point of view of the DAX expression, the information about which row to use is still missing. In fact, the row used to perform a calculation is not stored inside the formula. It is defined by another kind of context: the row context. When you defined.
- If you create a formula in a calculated column, the row context for that formula includes the values from all columns in the current row. If the table is related to another table, the content also includes all the values from that other table that are related to the current row. For example, suppose you create a calculated column, =[Freight] + [Tax]
- Each column represents a different KPI and each KPI will have its own calculated measure. There are approximately 50 KPI's in the model, and the objective is to find a way to remove the need to scroll horizontally to find the columns that have the most data. The number of columns shown needs to be interactive with the end-user having the ability to show more (or all) of the columns if they.
- Step 1 - When you created a Calculated Column in the Sales table you are technically working in a ROW Context and are writing the formula in each row of that Table. Step 2 - When you use the FILTER function in each row of the SalesTable, a nested second row context is created that pulls the entire Sales table (again) in each row of the outside Sales Tabl
- When building the calculated column, you need to be careful not to use functions that might reference the blank row, such as ALL and VALUES. This is the reason we used DISTINCT instead of VALUES to retrieve the price range key. Next, you build a relationship between Sales and Price Ranges based on the new calculated column, like in Figure 3
- Unfortunately you cannot do it in DAX studio. The model doesn't know which fields are being used by the report. Daniels tool does allow you to see if there are hidden columns that are not referenced by any other calculation in the model though the DISCOVER_CALC_DEPENDENCY described above

- In that case, use DAX to create a calculated column) Long answer: Read this. Photo by Jingda Chen on Unsplash. And just like that, you did it! You made it through a basic conceptualization of Power Query, M, DAX, measures, and calculated columns. If you don't understand all the differences and uses right now, that is perfectly okay! You have laid the foundation, and that is a huge step in.
- You could use something like the following. =CALCULATE (COUNTROWS (),Filter (values (Table1 [Name]), EARLIER (Table1 [Name]) >= Table1 [Name])) But this does drive off the distinct values in the name column and gives them an sequence based on their alphabetic order. So it won't be 1,2,3,4 it would return 1,3,4,2
- Dax Studio is a completely free client tool out there you can use to work with DAX queries with various sources like Power BI, Power Query, Analysis Services Tabular and Azure Analysis services. So, it motivated me to create a Video which includes step-by-step explained how to trace DAX queries using DAX Studio. So, during the video, I'm using a feature called All queries which came with DAX.

The Values column of the DynamicDimension table is put on the columns axis, while Sales Territory remains on the row axis. The DynamicQuantity measure is put in the values field. In the screenshot above you can see both categories are displayed in the columns when no selection is made in the slicer. However, the Total column is blank thanks to the use of HASONEVALUE. By selecting items in the slicer, we can change the layout of the matrix If you want to analyse the footprint of your Power BI file in DAX Studio, open your Power BI file, and connect to it from DAX Studio. Once connected, go to the advanced tab and select View Metrics. This simple report is gold dust

- If you need to put the results of your DAX on the Rows, Columns, Filter or Slicer, then Calculated Columns are the only choice (but it is still better to bring them in from a source DB if possible). Calculated columns are generally ok in your lookup tables too, however 99.9% of data table DAX can/should be done as a measure/calculated field
- From beginner to profesional in DAX - Master advanced analysis in Power BI with Measures & Calculated Columns . DAX is a really powerful language if you want to get all the advanced insights from your data. Wether you want to create custom columns or use more advanced calculations with Measures and realize the full potential of Power BI - DAX is the key to that. Yet I know that many people.
- There are also other complex scenarios that can be simplified using IN operator in DAX. Using IN Operator in Calculated Columns in Power BI Desktop. In some cases we want to do grouping based on the values of a column. For instance, we might want to define groups of colours, groups of products or groups of years. For these scenarios.

- What is a Calculated Column? A calculated column is a column that is added to a table in the Data Model using DAX query. For example, we can create Full Name column by concatenating First Name and Last Name columns of a table in the Data Model. However, we need a DAX query to concatenate two columns. What is Measure
- iterate over the Transactions table, stepping row by row. calculate Transactions [Quantity] * Transactions [UnitPrice] at each row. In the end, sum all of them up to give us our Total Sales Amount. Note: Yes, you can use a calculated column, just weigh your options: When to Use Measures vs. Calc Columns
- Computed column work for each respective row, see the example below. When Dataset is processed, It goes row wise. Rankx function is called each time row is included in dataset. First Row came in.
- Table[Column] is the way to refer to data in DAX. Add two more measures: From worksheet Ratios 01 Total Sales All Customers= CALCULATE ( SUM ( Sales[Sale Amount] ), ALL ( Customers )) In English: Sum the total of Sale Amount for all customers, regardless of the customer's state. (State is in the Customers table.) Ratio of Sales to All Customers= DIVIDE ( [Total Sales.

DAX is not a programming language, however it is a formula language that allows the users to define custom calculations in calculated columns and calculated fields (also known as measures). DAX helps you create new information from the existing data in your Data Model. DAX formulas enable you to perform data modeling, data analysis, and use the results for reporting and decision making DAX is the language used to deﬁne calculation expressions in PowerPivot and Microsoft SQL Server Analysis Services. The same DAX syntax can be used to deﬁne two diﬀerent types of formulas. Calculated columns are calculated row-by-row when the content of a table is refreshed, whereas measures are computed at query time, by aggregating rows

- Running DAX queries within Management Studio. So you've deployed a tabular model. How can you write DAX queries to get information out of it within SSMS (SQL Server Management Studio)? I've already mentioned this in my previous blog on how to write DAX queries, but thought it would be useful to explain this in more detail here. Connecting to your deployed model. The first thing to do is to.
- • Essential DAX functions • Calculated columns • Measures • Aggregators • Time intelligence Advanced Calculations • DAX function roadmap • CALCULATE & FILTER functions • How DAX Processes & Calculates Results • Dependent measures • Evolution of a measure • Modifying Row & Filter context • When to use iterators • DAX Studio DAX to the MAXX() Paul Turley Data Platform.
- For example, you can take only one column, Revenue, from this table: The syntax of SELECTCOLUMNS is simple: Smaller table = SELECTCOLUMNS (Table1;This day revenue; [Revenue]) It is table, column name in new table, column name in original table, column name in new table, column name in original table...

- Along with CALCULATE to modify / overwrite your current filter context. As a Table to display all the visible values in the filter context. Let's hit on the use of ALLSELECTED with CALCULATE function and then use it as a Table. ALLSELECTED on a Column. I am using the following Data Model. And the following Measure
- DAX calculated columns are NOT included; If you use Ctrl+A, you select all columns to be copied which includes complex columns automatically added to the table. For a table like DimDate which potentially has lots of relationships with other tables, you probably don't like it
- LAB: Creating calculated columns, tables and measures in DAX; DAX Studio. A good tools can make the job a lot easier. And DAX Studio is a super handy free tool for DAX developers, independant of whether you are using Power BI Desktop, Excel or Visual Studio in the end. This module explains why and how to use DAX Studio. Introducing DAX Studio; Installing DAX Studio; Writing DAX queries: EVALUATE, ORDER BY and START A

The DAX calculate function is one of the most used DAX functions. Find out why it is such a popular function and how to use it in your report building Then, in the Home ribbon, click the Sort by Column button and choose the MonthNameSort as the sort by column. Use the MonthName column on the report, as I've done in the screenshot above. Further considerations: If you want to calculate a variance between parallel periods, use the DAX ParallelPeriod() function Once the calculated column and calculated tables create as per your demand. You'll able to use the fields within the Report tab in Power atomic number 83. To add these objects, you've got to pick out a checkbox and a relationship is mechanically detect if potential. If not, then you'll able to drag the columns that you simply wish to attach

DAX Studio is a third-party tool used to query data models, edit and format code, browse the structure and metadata of data models, and analyze the performance and execution characteristics of DAX queries. For larger and more complex data models and expressions, as well as projects involving multiple models, DAX Studio becomes an essential supplement to the development and performance tuning processes For those, you must use either a calculated column, or bring the column in through Power Query. You cannot use it as the date column in a date intelligence function, because it isn't a column. Calculated columns, and better yet imported columns via Power Query, can be a better choice for the above secenario, but that is not always an option if your source data is from SSAS or a Power BI.

A calculated column is essentially adding a new data column into your Power Pivot table. Instead of copying or importing static values into a column, you can create a column dynamically using DAX formulas. Calculated columns can be used in other formulas, just like any other column. Furthermore, they can also be used with Filters, Rows, and Columns features, and the Values area of Pivot Tables. Step 2: After that, one DAX formula screen will appears , here we will write DAX formula for ADDCOLUMNS function. So now, we will multiply 'Unit Price' by 1000 and store into new column 'TotalPrice'. Orders_New = ADDCOLUMNS (Orders, TotalPrice, Orders[Unit Price]*1000) Step 3: After that click to commit, it will create new table as name Orders_New and under that table you will see. DAX carries out calculated columns at the row level, one row at a time. In this example, what DAX does is it goes to the first row and in the first row goes to the quantity and takes that value. Then it hops over to the products table and looks for the sales price for the corresponding product. These values are multiplied against each other. Then DAX goes down to the next row and does the same. Calculated columns are columns in a table that are computed with a DAX expression. They are computed once during table processing and are computed again at data refresh time

- An Annotation in Analysis Services is a place you can store items of text that aren't directly involved in the calculation but can be useful for other reasons - often to help with documentation. If a DAX expression, such as a measure, calculated column, or calculated table does not have an annotation, we send the text to the API and receive back some formatted DAX
- Using a Calculated Column gives more aesthetic while using a Measure allows your models to be more dynamic. Here's how to work out the most recent date for any dimension in your data set using two solutions. Solution #1: Using Calculated Columns. Here's how to solve the problem using Calculated Columns. 1. Create A New Column. The first step is to create a new column in the table that was.
- The DAX engine caches results from calculations so in your example I would think that the CALCULATE([Total Sales], ALL(Products)) - without VAR - would be cached and only calculated once since the filter content never changes. Add to that the preference of the DAX engine to execute in block mode it then becomes difficult to say beforehand if those VARs will be of benefit. (Other than for.
- Calculated Columns. A calculated column is a column that you add to an existing PowerPivot table. Instead of pasting or importing values in the column, you create a DAX formula that defines the column values. If you include the PowerPivot table in a PivotTable (or PivotChart), the calculated column can be used as you would any other data column
- g and execute.

The DAX Studio provides several additional output options. Like the Management Studio, it can send results to a file. However, if you have started DAX Studio as an Excel Add-In, you also have the option of returning the results to an Excel worksheet. This worksheet can either be linked to the tabular data source or it can be a static copy of the rowdata returned to the Studio. As a further. Let's write one formula for countif in dax. countif w calculate = CALCULATE(COUNTROWS(Sales),Sales[Product Color] = Blue) This table has four columns. The first two columns contain text data with empty values. The third column has numeric values with null values, and the fourth column contains logical values with values. Power BI Count with empty, null and logical values. Count.

Calculate(Sum([Sales Amount]), 'Product'[Color] = Red) Pattern 2. Calculate(Sum([Sales Amount]), Filter('Product', [Color] = Red)) Both approaches work as expected in simple models and reports, but from time to time people run into troubles on such simple DAX measures and have difficulty figuring out the underlying reason Then a dialog box opens, click on running total and select the column ( field ). 3. Click on Ok and Dax code shows up, rename the measure name and click on tick button.. 4. Then add the field into the table values. 5. The cumulative total is shown as required now. Follow the same procedure with % column, the percentage will be given as running. DAX Calculation Types. So, apparently, the DAX formulas can also be called as calculations as they calculate an input value and return a resultant value. You can create two types of expressions or calculations using DAX in Power BI; calculated columns and calculated measures. Calculated Columns: The calculated columns create a new column in.

Tables, Columns, Calculated Columns and Measures from Data Model 2. Editor pane of DAX Studio (White area) contains the code of your Query. We have to use EVALUATE Command to materialize table. We use the ROW DAX Function with a column name in the first argument and the Measure in the second argument so that we can materialize a one-column and one-row table with our Measure Result. 3. ^Server. Code above formatted with the DAX Formatter. Line 1 - This is where I am giving my Calculated Column a name called T/Y/Tom meaning Today/Yesterday/Tomorrow. Lines 2 & 3 - This is where I am creating a variable TodaysDate which today's date using the DAX function TODAY () With today's date being 02 July 2018

All the measure does, is to sum up the column named SalesAmount in the table Sales. But how does DAX get the red marked value 30'826.72? How do humans calculate the result? As humans, we usually interpret the value as . Human interpretation. This is correct. In the three data slicers on the left side the values single, France, Switzerland and 2013 a Assume, you have a requirement to create a Calculated Measure to filter only Clothing and Accessories . Of course, you can do this using a filter pane as shown below. Remember this requirement is not to have multiple predicates with different columns but, in the same column. Solution: We can write a DAX code like this to solve this problem. In here I create a Calculated Measure called Other Products which filters all the records in Sales query for Category Accessories and Clothing . EVALUATE. To demonstrate these DAX String functions in Power BI, we have to use the calculated column. To create a column , please click on the New Column option under the Home tab, or Modeling tab. As you can see from the screenshot below, we renamed the default column name as LEN

The DAX formula for Total Sales is: SUM ( Sales[Sale Amount] ) Sales[Sale Amount] refers to the [Sale Amount] column in the Sales table. Table[Column] is the way to refer to data in DAX. Add two more measures: From worksheet Ratios 01 Total Sales All Customers= CALCULATE ( SUM ( Sales[Sale Amount] ), ALL ( Customers ) Most of these columns are used to calculated variances to prior year. The formulas contain DATESYTD and other DAX date-related functions. After data is read, Tabular processes calculated columns, relationships and hierarchies. In this case, the spike was due to calculations involving large time ranges and ineffective DAX expressions. Converting these columns to measures resolved the issue A calculated column can't refer to itself in DAX. However, if you insist on doing this in DAX, consider that your calculated column can be computed as an accumulated total of [columnX] + 5 multiplied by the current row no. So if you have the row no in a separate column, let's call it [RowNo], then your calculated column should look like this Calculated Columns are um, well they are columns that are um calculated? They show up in a different color, and they are based on a formula. At left, it was the wildly simple =Table1[Value] * 3. This does exactly what you expect, returning 3 times whatever was in the [Value] column into the new column

Notice the values in columns and totals of them. Expressions we have written work well with each row but not with totals. If you do not need totals for Cumulative Totals, you can use Calculated Columns for calculating Cumulative Totals. Although the calculation is possible with Calculated Columns, it is always better to use Measures instead.If a measure is used, then we do not need to worry on. You can produce calculated columns in Power atomic number 83 by combining 2 or a lot of components of the present information. you'll be able to conjointly apply calculation on an associate existing column to outline a replacement metric or mix 2 columns to form one new column. You can even produce a calculated column to determine a relationship between the tables and it may also be wont to set up a relationship between 2 tables Each kind of calculated field offers certain advantages over the other. Calculated fields in data sources. When you create a calculated field in a data source: The calculated field is available in any report that uses that data source. You can use a data source calculated field in charts, controls, and other calculated fields, just like a. If you don't want to add the year to reports, add a MonthName calculated column to your Date table with the following formula: = [MonthName] & & [CalendarYear] that makes the month unique across years and another column MonthNameSort to sort by with the following formula: =[CalendarYear] * 100 + [MonthNumberOfYear]. Then sort the first column by the second. To do this, in the PowerPivot window, click any cell in the MonthName column. Then, in the Home ribbon, click the Sort by. Data Analysis Expressions (DAX) is a formula language introduced by Microsoft in Power BI, Power Pivot and Analysis Services Tabular to define calculations and queries. DAX Formatter is a free tool by SQLBI that transform your raw DAX formulas into clean, beautiful and readable code. The syntax rules used improves the readability of the expressions.

Power bi DAX calculated column. By using calculated columns in Power BI, we can add or create a column to an existing table in Power BI. The values will be populated by using a DAX formula. When a calculated column contains a valid DAX formula, values are calculated for each row as soon as the formula is entered. Values are then stored in the in-memory data model. In Power BI DAX, if you are. 2) Dax Studio for Timing Formulas: 1. Tables, Columns, Calculated Columns and Measures from Data Model 2. Editor pane of DAX Studio (White area) contains the code of your Query. We have to use EVALUATE Command to materialize table. We use the RO Right-click the header for the new calculated column, currently labeled CalculatedColumn1, and select Rename Column... Type the following to rename the column