sql select same table from multiple databases

Can the Secret Service arrest someone who uses an illegal drug inside of the White House? I have two databases, for argument sake lets call them db1 and db2. (Ep. You can then use that fully qualified table name to refer to the similarly named fields. If so replace this with: So you want top simply group by paymentType as well? Alter Table for Multiple Databases (same table name), Why on earth are people paying for digital real estate? Below statement could be used to get data from multiple tables, so, we need to use join to get data from multiple tables. However, if you have databases with similar names, such as Database1 and Database10, this would return results for Database1 and Database10 if you passed in Database10 as a parameter because Database1 is a substring of Database10. Find centralized, trusted content and collaborate around the technologies you use most. How can I learn wizard spells as a warlock without multiclassing? Thanks for contributing an answer to Stack Overflow! By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Let us take three tables, two tables of customers named Geeks1, Geeks2 and Geeks3. One way would be to select into some temporary table, but is there an easier/better/nicer way? The safer way: Use a cursor and dynamic SQL. But I have 5 custom fields, myfield1 to myfield5. Is @shA.t solution more elegant? SQL SELECT from Multiple Tables. How to Remove Prefix From Field in SQL Server? Example syntax to select from multiple tables. OPTION 1 for SQL query works fine, but how to apply the same logic and refer to specific database (there are multiple) in # OPTION 1 # sql statements Table_sql <- "select * from XXX_Test.dbo.Table" # query the DB Table <- sqlQuery(channel, query=Table_sql, Is there any potential negative effect of adding something to the PATH variable that is not yet installed on the system? Can I still have hopes for an offer as a software developer, A sci-fi prison break movie where multiple people die while trying to break out. [myTable] UNION ALL SELECT * FROM [DB02].[dbo]. Sorted by: 6. You can use Aaron's version of sp_MSforeachdb which is more reliable than the native one. table3 also has productid, price and more unique columns, etc etc. I have a MySQL database with multiple tables and those tables contain multiple columns that are equal. Not the answer you're looking for? Try to make it work with just one database first and then you can expand that solution to loop over database names in a comma separated string using a split string function or the likes. union select productid,price from table2 Depends what you mean by elegant. Morse theory on outer space via the lengths of finitely many conjugacy classes. rev2023.7.7.43526. Thanks. LEFT JOIN vs. LEFT OUTER JOIN in SQL Server, SQL Update from One Table to Another Based on a ID Match. It uses sys.databases (if You must specify the database name before any database object. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, lol, Yeah it doesn't help a whole lot. It's not going to be the cleanest solution ever, but you could define a view on a "Master database" (if your individual databases are not going to table1 contains productid, price, and a couple of columns specific for that table. Alter Table for Multiple Databases (same table name) Can I still have hopes for an offer as a software developer. Depending on your landscape the details are different. Yes but you need to explicitly mention them all: This is the kind of thing I would just build in Excel and paste into SSMS. Thank you for your valuable feedback! 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Altering same table across multiple databases, Alter table and update in sql server transactions. Other than Will Riker and Deanna Troi, have we seen on-screen any commanding officers on starships who are married? I haven't checked the SQL syntax, so forgive me if there's a syntax error! SQL SELECT from Multiple Tables Introduction to Heap - Data Structure and Algorithm Tutorials, Introduction to Segment Trees - Data Structure and Algorithm Tutorials, A-143, 9th Floor, Sovereign Corporate Tower, Sector-136, Noida, Uttar Pradesh - 201305, We use cookies to ensure you have the best browsing experience on our website. Customizing a Basic List of Figures Display. union select productid,price from table3 (Ep. What could cause the Nikon D7500 display to look like a cartoon/colour blocking? You can prefix the table names with the database name to identify the two similarly named tables. It uses sys.databases (if sql2005 or newer) to loop through the databases with a slightly difference in the way you build the @dbname string where you need to surround each db name with single quotes to correctly use it as part of an IN clause. How can I make multiple select statements on the same If you believe this to be in error, please contact us at team@stackexchange.com. Hi, thanks for your advice, but I'm curious to know how to get to ELSE 0, thanks. What is the Modified Apollo option for a potential LEO transport? Sci-Fi Science: Ramifications of Photon-to-Axion Conversion. Why did Indiana Jones contradict himself? If we consider table1 contains m rows and table2 contains n rows then the resulting table after selecting two tables i.e cross join of two tables contains m*n rows. Would a room-sized coil used for inductive coupling and wireless energy transfer be feasible? When using Dynamic SQL like this, you should always be careful to not expose yourself to SQL injection as is common by doing methods such as this. Is there a distinction between the diminutive suffices -l and -chen? You can include all rows, only rows that are in the result table Combining result tables from multiple SELECT statements 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Testing native, sponsored banner ads on Stack Overflow (starting July 6). acknowledge that you have read and understood our. How do I query tables located in different database? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. myfield1 in a column, myfield2 in another one, and so on. I have a list of the database on one main table/database. Can ultraproducts avoid all "factor structures"? Why do complex numbers lend themselves to rotation? 587), The Overflow #185: The hardest part of software is requirements, Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood, Temporary policy: Generative AI (e.g., ChatGPT) is banned, Testing native, sponsored banner ads on Stack Overflow (starting July 6), How can i get a specific column value from multiple databases in T-SQL. Commercial operation certificate requirement outside air transportation. Why do keywords have to be reserved words? What is the number of ways to spell French word chrysanthme ? multiple How to passive amplify signal from outside to inside? table2 contains productid, price, and a couple of different columns (not in table1). how to run same query on multiple databases in sql server Here is one way that assumes there are 3 databases on the same server (db1, db2, db3) that have a common table called: table_1. @ AMIT: I don't care if it's duplicated The answer below (marked as correct) works for me! By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. Thank you for your valuable feedback! ' from '|| table_name || How to Find Average Marks of Each Student in SQL? 2023 TeradataPoint.com All Rights Reserved. Not the answer you're looking for? Why did Indiana Jones contradict himself? Is there a legal way for a country to gain territory from another through a referendum? One column with all values, or five - one for each field? Making statements based on opinion; back them up with references or personal experience. We can obtain other types of join by selecting multiple tables and mentioning appropriate condition in the WHERE clause but instead of using the SELECT with multiple tables and adding conditions using the keywords of joins is more optimal. You can't select the same column with as different alias (`'meta_value' AS 'Name' etc) and get the results as one set. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. How can I make multiple select statements on the same table? Why add an increment/decrement operator when compound assignnments exist? Extend your syntax for FROM clause, so instead of using select from tablename, use, select from database.namespace.tablename. I've added an answer with examples. How to Select Data Between Two Dates and Times in SQL Server? I Have a common table "User Activity" in about 200 different databases on different servers, is it possible to select rows from all databases for that table in one statement? I'm trying to fetch/update a table in a sql database using R package RODBC. Asking for help, clarification, or responding to other answers. Asking for help, clarification, or responding to other answers. How to Specify a Date Format on Creating a Table and Fill it in SQL? Thanks for contributing an answer to Stack Overflow! By using our site, you By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Find centralized, trusted content and collaborate around the technologies you use most. How can I learn wizard spells as a warlock without multiclassing? I don't think so but you might! Connect and share knowledge within a single location that is structured and easy to search. To learn more, see our tips on writing great answers. Select same columns from multiple tables Can the Secret Service arrest someone who uses an illegal drug inside of the White House? When contacting us, please include the following information in the email: User-Agent: Mozilla/5.0 _Windows NT 10.0; Win64; x64_ AppleWebKit/537.36 _KHTML, like Gecko_ Chrome/92.0.4515.159 Safari/537.36, URL: stackoverflow.com/questions/4391903/how-can-i-make-multiple-select-statements-on-the-same-table. WebSelect a field from a table from multiple databases in SQL Server. how to select fields from different db's with the same table and field name, Why on earth are people paying for digital real estate?
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