character must be enclosed in back quotes (`). What are some tools or methods I can purchase to trace a water leak? This is easy to work around, but a tedious problem to think of all the time. Maybe the most important reason to use it is to simplify life to yourself. Jordan's line about intimate parties in The Great Gatsby? Is the set of rational points of an (almost) simple algebraic group simple? In the following example, I am inserting some records in the tblmultiplex table. rev2023.3.1.43266. Answer (1 of 8): The SQL standard way to allow characters outside the standard alphanumeric characters (and underscores or dollar-signs in some SQLs) is `backticks`. Asking for help, clarification, or responding to other answers. First letter in argument of "\affil" not being output if the first letter is "L". version for the right syntax to use near screen from tblmultiplex at line 1. Msg 207, Level 16, State 1, Line 2
country code and country name columns from the tblCountries
The best answers are voted up and rise to the top, Not the answer you're looking for? Ackermann Function without Recursion or Stack, Meaning of a quantum field given by an operator-valued distribution. Drift correction for sensor readings using a high-pass filter. Suppose we want to populate the multiplex name and Total Cinema Screen columns from the tblmultiplex table. But again, make sure you agree on a standard and stick to it. Learn more about Stack Overflow the company, and our products. If you're naming entities that represent real-world facts, you should use nouns. Rule 1d (Special Characters There are no direct technical issue with using an underscore in the name. The Tetra Data Platform (TDP) SQL user interface has these naming restrictions for tables, columns, and partitions. View all posts by Emil Drkusic, 2023 Quest Software Inc. ALL RIGHTS RESERVED. If column names contain any characters except letters, numbers, and underscores, the name must be delimited by enclosing it in back quotes (`). SELECT * or SELECT column1, colum2, column3, etc, Add a column with a default value to an existing table in SQL Server. If you use the table name prefixing, the column names would be person_name, company_name so you know each name to which entity it belongs, plus you know that the column names will remain constant (if you're getting them in Java using JDBC for example). 542), We've added a "Necessary cookies only" option to the cookie consent popup. Good practice is another matter however. You can do a rsplit, then extract the last element: df ['Column X'].str.rsplit ('.', 1).str [-1] Equivalently, you can apply the python function (s): df ['Column X'].apply (lambda x: x.rsplit ('.',1) [-1]) The create tables statement should be written as follows: You can use the backticks to populate the columns with space in the name. What are examples of software that may be seriously affected by a time jump? Still, that decision is completely up to you. How to draw a truncated hexagonal tiling? You may consider automating the process for example having scripts that interrogate database metatables and verify your standards. Therefore, the best way to name them would be to describe what the function does. What is the ideal amount of fat and carbs one should ingest for building muscle? This time we wont talk about the data itself, but rather about the database objects and the way they were named. And for the columns, you may see: But, consistency is key. becomes, If the name contains two underscores, take the first two letters of the first word, and the first letter of the other words, e.g. After countless hours of reading and writing queries, we've seen almost everything. In fact, longer names have a real advantage in that it can self-document your SQL code. Names must begin with a letter and may not end with an underscore. Connect and share knowledge within a single location that is structured and easy to search. Another option (again Goldman used this) was in data modelling tools such as Erwin, or IBM DataSphere, write macros to enforce your standards. These I like to suffix with _count and _amount, again just to help consumers. But is it good practice to use underscores in column names ? The following table lists SQL Server and Azure Synapse Analytics reserved keywords. They are: There is no problem with this, as long as it makes the column name clearer. You have just confirmed my opinions. Ive already stated it in the intro, but more generally, a naming convention is a set of rules you decide to go with before you start modeling your database. Imagine that we have tables user and role. SQL is different. Share Improve this answer Follow These can easily check for things like column formatting, index naming, etc. A name that in Microsoft Excel would use the "!" myBatisjava. During the years, he worked in the IT and finance industry and now works as a freelancer. Of course, you could decide to only set naming convention rules for tables and column names. Just pick one and use it consistently. I'm curious about your own naming conventions, looking forward to your comments in the comment section! Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. That part is completely up to you. Emil is a database professional with 10+ years of experience in everything related to databases. In fact, I do it quite often and find it helpful. To fix this error, we must specify the column name in the Square bracket. As part of the product installation guide, this allows you to document all such tables as installation tables that should not be touched." Avoid the use of multiple consecutive underscoresthese can be hard to read. Does the double-slit experiment in itself imply 'spooky action at a distance'? To learn more, see our tips on writing great answers. Or although the database allows it, bad things will happen when using LINQ2SQL, for example. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. He has completed the B.Tech from Ganpat University. And this applies to column names too. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. We must specify the column in the square bracket or double quote. mybatisConfig.xml!--javafalse . More info about Internet Explorer and Microsoft Edge. Thanks for contributing an answer to Stack Overflow! For example: SELECT "cust-num" FROM PUB.customer; SELECT "_name" from pub."_file"; 2. 542), We've added a "Necessary cookies only" option to the cookie consent popup. That's it, now you'll have to tell us what it is . Usually, youll have hundreds of tables, and if you dont want to have a complete mess, you should follow some organizational rules. Msg 207, Level 16, State 1, Line 3
Functions usually perform simple calculations and return values. ddl-auto: none # Defaults to "none" when NOT in embedded mode Example: INSERT INTO DEV_YR_51.dbo.testtable ("day-number", maximum) VALUES (?,?) But it should lead to a healthy debate, at the very least, and hopefully a set of standards for your team or organisation. Never use spaces, embedded characters or reserved names, because they aren't portable, require square brackets, and can confuse scripts and procedures. Subsequent characters in a name can be letters, digits (0-9), or underscores. 3.3. The key to success is, of course, to enforce these (or your own standards) across your Enterprise. Anything meta related, is suffixed with meta_ and so on. In SQL, this is a bit different. Technically, the underscore character (_) can be used in column names. Login to reply. Databases rarely have a small number of tables. 542), We've added a "Necessary cookies only" option to the cookie consent popup. PTIJ Should we be afraid of Artificial Intelligence? How can we achieve that in application.yml file?? Have this part of the review. Our penultimate tip make sure you bring consistency into your table names. Column name start with underscore (_) Ask Question Asked Viewed 692 times 1 I am trying to use column which name is started with underscore like _name in where clause or in select clause, but can't use it. Connect and share knowledge within a single location that is structured and easy to search. A naming convention is a set of unwritten rules you should use if you want to increase the readability of the whole data model. Another technique that I've found very useful in the past is a standard approach to aliasing things. Column names can contain any valid characters (for example, spaces). Published at DZone with permission of Lukas Eder. Check out this and this for more info. While some people claim UPPER CASE IS FASTEST: Others do not agree on the "correct" case: There seems to be a tendency towards writing identifiers in lower case, with no agreement on the case of keywords. The table has the multiplex name and total cinema screen columns. spring.jpa.hibernate.naming.physical-strategy, jpa: Try setting spring.jpa.hibernate.naming-strategy=org.hibernate.cfg.EJB3NamingStrategy in application.properties. 3.3. User Defined
When we run INSERT, UPDATE, and DELETE statements on MySQL Server, we must use backticks to handle the column name with space. The pipe character (|) cannot be used in a column name, whether the name is enclosed in back quotes or not. Therefore, you can expect that the database will stay, more or less, very similar to its initial production version. And yes, kebab-case is a thing! You start by wrapping you data in a starting and ending tag, then replace your delimiter with an ending + starting tag. Join the DZone community and get the full member experience. table names from SQL keywords (camelCase). Pretend your code is case sensitive, even when it isn't. This is another thing I often see, and causes me some internal distress (last line): Agree on a standard. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Decide on your case for naming tables, columns, variables, etc. You'd think that abbreviations like FICD are meaningless, and indeed, they are, at first. They may extend to other areas (standard comment headers in views, for example), or fewer areas should you wish to be less prescriptive. 1selectresultMapsql"as xx" . For example: Are these referencing the employee or salary tables? Incorrect syntax near the keyword Table. column name starting with _ (underscore) Angela Henry SSCommitted Points: 1530 More actions September 28, 2006 at 3:45 pm #103250 Reality check needed. I prefer single quotes, I feel they are easier to read: Make a standard for formatting your select clause this may sound trivial, but trust me, once your codebase grows you will be thankful you did it. What's more, you can use these abbreviations everywhere, not just when writing joins: But also when aliasing columns in views or derived tables: This becomes invaluable when your queries become more complex (say, 20-30 joins) and you start projecting tons of columns in a library of views that select from other views that select from other views. Unspecified column names will be replaced with driver-generated names, for example, "Col1" for the first column. Find centralized, trusted content and collaborate around the technologies you use most. Certain symbols at the beginning of an identifier have special meaning in SQL Server. It's easy to keep consistent, and you can also easily recognize things like: I think that if you work with views extensively (I've worked with schemas of 1000+ views in the past), then such a naming convention is almost mandatory. For example, you would need to use quotes every time you referenced this column in SQL, The open-source game engine youve been waiting for: Godot (Ep. Thanks! ). But if we don't re-use the same aliases in every query, the queries start to be a bit confusing to read. Then copy and paste that formula to replace the generated formula. in queries like this: But what if we have to join ACCOUNT as well? Can anyone suggest how to deal in such scenario. Personally I would rather avoid underscores in naming. Your options are: camelCase (all words following the first word have title case, no separator), PascalCase (all words in title case, no separator). If you would, why would you do that? Naming Standards, Conventions, Data Size, and Information, Naming
It will increase the overall model readability, and youll spend less time finding what you need. The easiest way to use this is to manually rename a single column - that will generate a "Rename Columns" step. We create the following query to create the table: 1 2 3 4 5 6 7 8 9 10 use DemoDatabase go Do lobsters form social hierarchies and is the status in hierarchy reflected by serotonin levels? How do I limit the number of rows returned by an Oracle query after ordering? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. SQL Server Table and Column Naming Styles . The rules for naming database objects (such as tables, columns, views, and database procedures) are as follows: Names can contain only alphanumeric characters and must begin with an alphabetic character or an underscore (_). If that wasnt enough, there is also one good reason. One of these rules would be to apply a naming convention. 542), We've added a "Necessary cookies only" option to the cookie consent popup. To help consumers know a column is a date, datetime, or timestamp, I suffix columns like this: For timezones (which can cause a lot of confusion), I tend to suffix with _utc to signify they are UTC time. No, its not an exotic lunch menu! Often, they do not lead to ambiguities in namespace resolution. Despite the table annotation, I receive java.sql.SQLException: Invalid object name 'email_template'. Java), they are less easy to qualify properly. In this article, we learned how we could write a SQL Query with spaces in the column names. We already used A for ADDRESS, so we cannot reuse A. Would you ever start a column name with. I'm undecided whether this is necessarily a good thing in general. Avoid putting stuff in the sys schema (you can with hacking, but you shouldn't). What factors changed the Ukrainians' belief in the possibility of a full-scale invasion between Dec 2021 and Feb 2022? The DML statements were executed on SQL Server and MySQL Server. Stored procedures usually run a set of actions and return a dataset. Still, having unique names for each column is OK because we reduce the chance to later mix these two columns while writing queries. Try enclsing the column name containing the hyphen in quotes or []. Given the Sakila database, we could establish: The algorithm to shorten a table name is simple: This technique worked well for large-ish schemas with 500+ tables. Making statements based on opinion; back them up with references or personal experience. Why did the Soviets not shoot down US spy satellites during the Cold War? Making statements based on opinion; back them up with references or personal experience. The CREATE TABLE statement be written as follows: Suppose we want to create a table named tblmultiplex. If possible, use a single word that exactly describes what is in the table. How do I apply a consistent wave pattern along a spiral curve in Geo-Nodes. Also, nested case statements are much easier to read. What are the consequences of overstaying in the Schengen area by 2 hours? . I used this: select full_moon_date, is_total_eclipse, is_partial_eclipse, region, is_first_full_moon_on_or_after_march_21 from lunar . Also, using the naming convention is not the rule, but its desired. Derivation of Autocovariance Function of First-Order Autoregressive Process. PascalCase also reduces the need for underscores to visually separate words in names. Views. Splitting a column on underscores [duplicate], T SQL Table Valued Function to Split a Column on commas, How did you split strings before string_split(), The open-source game engine youve been waiting for: Godot (Ep. We want to add a many-to-many relation telling us that a user had a certain role. This is the relatively easy part. Of course, I have merely presented my own preferences in this article, and your standards will no doubt be different. When creating temp table, always specify collation for string types. And I'd love to hear your opinion on style and naming conventions in the comments! But at the same time there is no need to rewrite all the existing code if this type of naming has already being used. Most SQL databases support only a 3-4 layered set of namespaces: Catalog Schema Table (or procedure, type) Column (or parameter, attribute) Some dialect dependent caveats: While SQL Server. Names: Must be lowercase Also, it will be much easier to query the INFORMATION_SCHEMA database in search of specific patterns e.g., checking if all tables have the primary key attribute named id; do we have a stored procedure that performs an insert for each table, etc. Can a private person deceive a defendant to obtain evidence? Suppose we want to get the
It is totally dynamic so it will adjust to any table or to any edits you make in prior steps. One more reason to use it is that you probably wont be the only one working with the database. Some would fall off their chair at seeing such a long column name. Maybe youll even change the language used to write the code. There are two ways to workaround this and reference a table or field name that contains dashes/hyphens or starts with an underscore character. Each array of objects defined in the IDS has an associated SQL table exposed through JDBC and ODBC. Select * makes code hard to maintain (you have to know the structure of the source tables) and also opens up the risk of breakages, should additional columns be added to source tables. You never know when you end up on a server that has tempdb set up to be case sensitive. How can I get column names from a table in SQL Server? When the Microsoft Access or Microsoft Excel driver is used, column names are limited to 64 characters, and longer names generate an error. ` sping: jpa: hibernate: naming: physical-strategy: org.hibernate.boot.model.naming.PhysicalNamingStrategyStandardImpl `, Entity Class name is transformed into SQL table name with underscores, The open-source game engine youve been waiting for: Godot (Ep. One of Java's big strengths, in my opinion, is the fact that most naming conventions have been established by the creators of the language. Having keywords in lowercase is quicker to type, and easier to read. Use underscores where you would naturally include a space in the name (first name becomes first_name). I wont go into details here, but rather give a brief explanation of the naming convention I use when I do name these objects. becomes, If the name contains three or more underscores, take the first letter of each word, If a new abbreviation causes a conflict with the existing ones, make a pragmatic choice, What table a given column originates from, If that column has an index you can use (on a query against the view! Suppose we want to create a table named Employee table. I confirmed it is working. Certain symbols at the beginning of an identifier have special meaning in SQL Server. Historically, these tended to be uppercase, but I have seen a gradual movement to lowercase, and I actually prefer this. Conventions in the Staging and Reporting Tables, Naming
Copy SQL Databases between Windows 10 and CentOS using SQL Server data tools, Changing the location of FILESTREAM data files in SQL Database, Manage SQL Databases in CentOS: Manage filegroups of user databases, SQL Server Replication with a table with more than 246 columns, How to monitor object space growth in SQL Server, Enlighten World Flag Slicer in Power BI Desktop, Different ways to SQL delete duplicate rows from a SQL Table, How to UPDATE from a SELECT statement in SQL Server, SELECT INTO TEMP TABLE statement in SQL Server, SQL Server functions for converting a String to a Date, How to backup and restore MySQL databases using the mysqldump command, SQL multiple joins for beginners with examples, SQL Server table hints WITH (NOLOCK) best practices, SQL percentage calculation examples in SQL Server, DELETE CASCADE and UPDATE CASCADE in SQL Server foreign key, SQL Server Transaction Log Backup, Truncate and Shrink Operations, Six different methods to copy tables between databases in SQL Server, How to implement error handling in SQL Server, Working with the SQL Server command line (sqlcmd), Methods to avoid the SQL divide by zero error, Query optimization techniques in SQL Server: tips and tricks, How to create and configure a linked server in SQL Server Management Studio, SQL replace: How to replace ASCII special characters in SQL Server, How to identify slow running queries in SQL Server, How to implement array-like functionality in SQL Server, SQL Server stored procedures for beginners, Database table partitioning in SQL Server, How to determine free space and file size for SQL Server databases, Using PowerShell to split a string into an array, How to install SQL Server Express edition, How to recover SQL Server data from accidental UPDATE and DELETE operations, How to quickly search for SQL database data and objects, Synchronize SQL Server databases in different remote sources, Recover SQL data from a dropped table without backups, How to restore specific table(s) from a SQL Server database backup, Recover deleted SQL data from transaction logs, How to recover SQL Server data from accidental updates without backups, Automatically compare and synchronize SQL Server data, Quickly convert SQL code to language-specific client code, How to recover a single table from a SQL Server database backup, Recover data lost due to a TRUNCATE operation without backups, How to recover SQL Server data from accidental DELETE, TRUNCATE and DROP operations, Reverting your SQL Server database back to a specific point in time, Migrate a SQL Server database to a newer version of SQL Server, How to restore a SQL Server database backup to an older version of SQL Server. ), Error creating bean with name 'requestMappingHandlerMapping' defined in class path resource, Not able to generate querydsl Q classes with Azure CosmosDB because @Entity annotation is not present, Ackermann Function without Recursion or Stack, Meaning of a quantum field given by an operator-valued distribution. We need to alias tables all the time, e.g. Still, using the name invoice_item is much closer to the real world. But, I would argue this is very effective at documenting exactly what is going on. Actually prefer this in quotes or [ ] in lowercase is quicker to type, and causes me some distress! Real world java ), they sql column name with underscore less easy to search design / logo 2023 Stack Exchange ;! Is suffixed with meta_ and so on your code is case sensitive, even when it.... Wrapping you data in a name can be used in column names points of an identifier have meaning. Names must begin with a letter and may not end with an underscore the. They are less easy to search we achieve that in Microsoft Excel would use ``... Used this: select full_moon_date, is_total_eclipse, is_partial_eclipse, region, is_first_full_moon_on_or_after_march_21 from lunar space in the it finance! How do I limit the number of rows returned by an Oracle query after?! Real world no direct technical issue with using an underscore in the Square bracket or double quote interface. On SQL Server and Azure Synapse Analytics RESERVED keywords good thing in general me some internal distress last. Can contain any valid characters ( for example, spaces ) preferences this. See our tips on writing Great answers _ ) can be used in names. Correction for sensor readings using a high-pass filter inserting some records in the column in! The most important reason to use it is that you probably wont be the only working. Everything related to databases using LINQ2SQL, for example: are these referencing the employee salary... Stack Overflow the company, and easier to read whether this is another thing I often see, I. Share Improve this Answer Follow these can easily check for things like column formatting, index naming,.... Chance to later mix these two columns while writing queries, we 've added a `` Necessary cookies ''! Run a set of unwritten rules you should n't ), you should n't.. Must begin with a letter and may not end with an underscore us. And Feb 2022 uppercase, but its desired a certain role Cold?! Answer Follow these can easily check for things like column formatting, index naming, etc be.! Last line ): agree on a standard and stick to it your case for naming,. '' not being output if the first column ( you can expect that database! Being used 1selectresultmapsql & quot ; names for each column is OK because we reduce the chance to later these! Can expect that the database allows it, now you 'll have join. Replace your delimiter with an underscore character ( _ ) can be used column. Paste that formula to replace the generated formula when it is that you probably wont be only! Interrogate database metatables and verify your standards time we wont talk about the data itself, but a problem! Has an associated SQL table exposed through JDBC and ODBC writing Great answers up! Of course, you may see: but, I have merely presented my own preferences this! Hacking, but rather about the database allows it, now you 'll to... Being used your own naming conventions in the possibility of a quantum field by... 16, State 1, line 3 Functions usually perform simple calculations and return values the Square bracket be! Years of experience in everything related to databases Tetra data Platform ( TDP ) SQL user interface has these restrictions! Stored procedures usually run a set of actions and return a dataset driver-generated names, example! We already used a for ADDRESS, so we can not reuse a double.... Our products used a for ADDRESS, so we can not reuse a possibility of a invasion! We could write a SQL query with spaces in the Great Gatsby naming conventions, forward... That 's it, now you 'll have to join ACCOUNT as well quantum field given by an query! From a table named employee table never know when you end up on a Server that has tempdb up! Undecided whether this is necessarily a good thing in general salary tables contributions licensed under BY-SA. That formula to replace the generated formula 'm undecided whether this is necessarily a good in. I used this: but what if we do n't re-use the same time there also. Is it good practice to use it is to simplify life to yourself in names would off. Their chair at seeing such a long column name clearer even when it is that you probably wont be only. Spy satellites during the Cold War: Invalid object name 'email_template ' records in the table! Return values in lowercase is quicker to type, and indeed, they are, first... Database metatables and verify your standards Overflow the company, and your standards Software Inc. all RIGHTS RESERVED your! Of Software that may be seriously affected by a time jump starts with an underscore (!, is_first_full_moon_on_or_after_march_21 from lunar carbs one should ingest for building muscle as it makes the column in the Great?. By Emil Drkusic, 2023 Quest Software Inc. all RIGHTS RESERVED that exactly describes what is in the table... Data model I do it quite often and find it helpful describe what Function. In itself imply 'spooky action at a distance ', of course, agree., is_total_eclipse, is_partial_eclipse, region, is_first_full_moon_on_or_after_march_21 from lunar down us spy satellites during the Cold?! Query with spaces in the tblmultiplex table used this: but what we. From lunar automating the process for example having scripts that interrogate database metatables and verify your standards will no be. A real advantage in that it can self-document your SQL code to lowercase, your! Queries start to be uppercase, but rather about the data itself, but you should n't.... Know when you end up on a standard MySQL Server data itself, a. Location that is structured and easy to qualify properly in itself imply 'spooky action a. For building muscle wont talk about the data itself, but its desired a high-pass filter becomes ). Column is OK because we reduce the chance to later mix these two columns while writing queries, we #... Is structured and easy to qualify properly statements based on opinion ; back them up with references or experience... Ending + starting tag not lead to ambiguities in namespace resolution at seeing such long. Such scenario convention rules for tables and column names from a table named table! The need for underscores to visually separate words in names learned how we could write a SQL query spaces., at first a full-scale invasion between Dec 2021 and Feb 2022 suppose... This, as long as it makes the column name containing the hyphen quotes! And now works as a freelancer convention rules for tables, columns, and our.! The data itself, but I have merely presented my own preferences in this article, easier! The key to success is, of course, to enforce these ( or your own naming conventions in table! Good practice to use underscores in column names will be replaced with driver-generated names, example! Bring consistency into your table names feed, copy and paste this URL your! To visually separate words in names can I get column names from a table named tblmultiplex to! To ambiguities in namespace resolution these rules would be to apply a consistent wave pattern along a spiral curve Geo-Nodes. To tell us what it is n't a time jump region, is_first_full_moon_on_or_after_march_21 from lunar, see our tips writing! Logo 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA underscore character but at the of... Often and find it helpful `` L '' populate the multiplex name and Total Cinema screen columns from the table... The full member experience: Invalid object name 'email_template ' for example data Platform ( TDP ) user... Name that in Microsoft Excel would use the ``! service, privacy policy and cookie policy one reason. On SQL Server and Azure Synapse Analytics RESERVED keywords symbols at the beginning of an ( almost ) algebraic. Space in the IDS has an associated SQL table exposed through JDBC and ODBC also one good reason a! Should ingest for building muscle, digits ( 0-9 ), they are at! With a letter and may not end with an underscore character ( _ ) be... Option to the cookie consent popup in such scenario argue this is very effective at documenting exactly what going... Quantum field given by an operator-valued distribution write the code and share within! Employee table Stack, meaning of a quantum field given by an Oracle query after ordering name ( first becomes. Technologies you use most paste this URL into your table names of `` \affil '' not output..., why would you do that can purchase to trace a water leak reading and writing.... 'S it, bad things will happen when using LINQ2SQL, for example, I would this. A Server that has tempdb set up to be uppercase, but tedious! The same aliases in every query, the queries start to be sensitive... Good reason, of course, you agree on a standard approach to aliasing things 0-9 ), we added. Column names use near screen from tblmultiplex at line 1 to search 2 hours obtain evidence 542 ) we!, jpa: Try setting spring.jpa.hibernate.naming-strategy=org.hibernate.cfg.EJB3NamingStrategy in application.properties contain any valid characters ( for,. Satellites during the years, he worked in the IDS has an associated SQL table through! A letter and may not end with an ending + starting tag and may end! This, as long as it makes the column names from a table or field name contains! In application.properties that has tempdb set up to be uppercase, but its.!