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Hyphens in column names in MySQL DB (4) This entry at the MySQL forum suggests that you might have a problem. Hyphens in database names aren't good also. I want to ignore tables using --ignore-table=database.table but my database has a hyphen in the name which breaks. MySQL provides us with a very useful statement that changes the name of one or more tables. How do I import an SQL file using the command line in MySQL? Sorry, you can't reply to this topic. A.11.1. How does this solve the problem of an existing database/table with hyphens in column names? When I try to use these names from my Java code, the names are broken at the hyphen (e.g. Be conscious that this could affect referential integrity or other applications that depend on the database. – a_horse_with_no_name Sep 7 '13 at 7:21. How do you set a default value for a MySQL Datetime column? Hyphen in table name. Posted by: Keith D Commiskey Date: February 12, 2006 08:58PM Hi there, I've been doing mysql and php for about … This is not very efficient, but it will allow you to get what you want. Microsoft SQL Server 2005; 12 Comments. Database, table, index, column and alias names all follow the same rules in MySQL: A name may consist of alphanumeric characters from the current character set and also `_' and `$'. How to query a table with a hyphen in the name? However, I think it's referring to data and not column names. Still, we can fix the hyphen in the database name by surrounding the name with backtick symbol − mysql> create database `customer-tracker`; This will produce the following output − As an alternative - in case where even backticks should cause problems (you know it happend to me) and you want to stick to hypens no matter what - just create a VIEW to reflect the same table with all the fields and query the view instead of the original table. Stack Overflow for Teams is a private, secure spot for you and What justification can I give for why my vampires sleep specifically in coffins? Depending on the nature of your problem, there are a couple of different approaches you can use: None of these are great solutions, but they should get you started. drop database `databasename` RE: Hyphen in database name pen81 (Programmer) (OP) 14 Dec 06 … The database is Intersystems Cache, but it accepts … This section describes the permissible syntax for identifiers in MySQL. Create SQL views that simple restate the tables you need but with "better" column names. Perhaps you are using one of the Java libraries that automatically generates variables or objects whose names are based on column names. Unable to create a new database with a name containing a hyphen: Submitted: 9 Apr 2005 14:58: Modified: 9 Apr 2005 15:21: Reporter: David Leangen: Email Updates: Status: Not a Bug : Impact on me: None . It's better to not use hyphens in your column names. What's the point of a MOSFET in a synchronous buck converter? May be this question has been answered before but I couldn't find it. For example, the gb18030 character set is not supported prior to MySQL 5.7.4. The IGNORETABLES variable will be built from a table and compared against before final backup. 6,001 Views. Could this be an issue of the character set being used ? Developer Zone. Connecting to databases without '-' in name works fine so the hyphen has to be the issue. Forums; Bugs; Worklog; Labs; Planet MySQL; News and Events; Community; MySQL.com; Downloads; Documentation; Section Menu: MySQL Forums Forum List » Newbie. … I suffered a big problem with JOIN statements where hyphens caused big trouble - there even escaping names in back ticks didn't work. This says "don't do it." exx1976 asked on 2010-09-17. 7 years ago Jul 19, 2013 7:20pm. If you don't know what that means, don't do it. Tuesday, November 23, 2010 10:29 AM. MySQL offers two ways to rename tables. using (-) dash in mysql table name. The default character set is ISO-8859-1 Latin1; this may be changed by recompiling MySQL. Don't know how authoritative it is. Database Names With Hyphens Issue. But in this case, I came to the same conclusion as you, before you responded. How do I connect to a MySQL Database in Python? I followed my dreams and got demoted to software developer, Opt-in alpha test for a new Stacks editor, Visual design changes to the review queues, check the manual that corresponds to your mysql server version for the right syntax to use near '( -, i'm trying to insert values to the table in my db, but there is something goes wrong, insertion query does not work, Error because of row names that matches PHP code, SQL- Insert Into PHP-prepare Statement False Syntax, Issue with @Column annotations in Squeryl with Play Framework and MySQL, database is connected but data is not storing in xamp server. It says that (at least) hyphens and wildcard characters require quoting, if used: The user name and host name may be unquoted, quoted as strings using double quotes (") or single quotes ('), or quoted as identifiers using backticks (`). How to import an SQL file using the command line in MySQL? They are much more trouble then they are worth it. Hyphens (which are valid in MySQL table names) aren't valid in PHP Classes: Submitted: 2004-01-17 17:56 UTC: From: thomas at unifiedconsulting dot com: Assigned: alan_k: Status: Closed: Package: DB_DataObject: PHP Version: Irrelevant: OS: Linux 2.6.0: Roadmaps: (Not assigned) Subscription: Your email: Comments Add Comment Add patch [2004-01-17 17:56 UTC] thomas at unifiedconsulting dot … However, since the name of the applicable language appears in the DESCRIPTION column for every entry in the INFORMATION_SCHEMA.CHARACTER_SETS table, you can obtain a current list … Do you have hyphens (-) or underscores (_) in your column names? Ask Question Asked 7 years, 5 months ago. Really. Let us first create a table −. Old story about two cultures living in the same city, but they are psychologically blind to each other's existence. Documentation Downloads MySQL.com. Yes, it causes issues if you use it directly like DESCRIBE my-table; This will definately cause issues. Should I use DATE or VARCHAR in storing dates in MySQL? What is special about the area 30 km west of Beijing? What is an alternative theory to the Paradox of Tolerance? Section 9.2.1, “Identifier Length Limits”, indicates the maximum length of each type of identifier. Hyphens are a big problem because if you end up mapping a column name to a variable, most languages do not like to have hyphens inside variable names. ... My general advice is: don't use table names that contain illegal characters (and thus require quoting). Mysql, Table-name containing hyphen, TableQuery Fails. I have registered a bug with MySQL here Someone else verified it on MacOSX, I'll wait and see what the fix is and post an updated answer soon. May be this question has been answered before but I couldn't find it. However, I think it's referring to data and not column names. Could I use a blast chiller to make modern frozen meals at home? I LIKE hyphens because that make phrases and compound-words easier-to-read, including table-names. permalink. The database name in the dump is gss-app. 2. TABLE % (c int) --failed. Posted by: Keith D Commiskey Date: February 13, 2006 12:27AM Problem here (and the original problem too) was … Create a database named "hyphen-test" Create a table named "testtable" in that database with some columns; Open the table, open its Properties, select the Columns tab; Hit F5 I am using a 2/3 yr old MySQL database which has hyphens in its column names. New Topic. Could this be an issue of the character set being used ? It is seems to be limited to InnoDB tables, when the schema has a hyphen in the name. mysql> create table DemoTable1857 ( Name varchar (20) ); Query OK, 0 rows affected (0.00 sec) Insert some records in the table using insert command −. However, I think it's referring to data and not column names. Solved Microsoft SQL Server. Advanced Search. Rename all of your columns using ALTER TABLE. What CJK character sets are available in MySQL? TABLE t % (c int) --failed. text/html 11/23/2010 10:41:03 AM Uri Dimant 0. 1 Solution. your coworkers to find and share information. Database Names With Hyphens Issue; Post reply. In addition to the tables, we can use the RENAME TA… I tried replacing hyphens to underscores in my code hoping that the DB might treat them equally but that doesn't work. How to deal with crossing wires when designing a PCB? I tried all these characters & sql server allowed these characters in both table name & column name. Forums; Bugs; Worklog; Labs; Planet MySQL; News and Events; Community; MySQL.com; Downloads; Documentation; Section Menu: MySQL Forums Forum List » Newbie. How do I quickly rename a MySQL database (change schema name)? If the new table new_table_namedoes exist, the statement will fail. Ars Scholae Palatinae Registered: Apr 8, 2001. So I learned about the hyphens the hard way, but would have never known if I had pulled up a table with an underscore in its name. Do you have hyphens (-) or underscores (_) in your column names? MySQL Lists are EOL. Perhaps you are using one of the Java libraries that automatically generates variables or objects whose names are based on column names. Reproduce code: ----- -Create a MySQL table with a hyphen in its name -Run createTables.php Expected result: ----- Hyphens should be converted to a valid character (e.g. To set a string with hyphen and numbers, you need to use single quotes. Re: SHOW syntax and hyphen in a dbname View as plain text On Tue, Jul 30, 2002 at 01:45:59PM +0900, Takanori Ugai wrote: > Dear Folks, > > I'm not sure this is a bug or the SQL syntax. Convert the column names to use underscores - this is the safest way to go. Sign in to vote. Reproducing. In a microwave oven, why do smaller portions heat up faster? Because business requirements change, we need to rename the current table to a new one to better reflect the new situation. This entry at the MySQL forum suggests that you might have a problem. Re: Hyphen in table name. I need to query that table. List: General Discussion « Previous Message Next Message » From: Dan O'Keefe: Date: August 28 2008 11:01am: Subject: escape a dash in table name: View as plain text : How do you escape a dash in a table name such as temp-08-08-28? If you don't know what that means, don't do it. Its name contains a hyphen, which seems to be the problem, although the USE statement accepts the database name. Join Stack Overflow to learn, share knowledge, and build your career. RE: Hyphen in database name guelphdad (TechnicalUser) 14 Dec 06 10:48. have you tried the backtick ` around the database name like this: CODE. Use the AS keyword when running your SELECT statements to rename columns within queries. Where does Gnome keep track of window size to use when starting applications? Why wasn't the Quidditch match suspended when Harry was knocked out? air_port becomes air) and thus are not found. It's better to not use hyphens in your column names. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. How do I quickly rename a MySQL database(change schema name)? When I try to use these names from my Java code, the names are broken at the hyphen (e.g. Vahid Meshkintorreh. Sometimes I'm getting errors refreshing some non-data windows with F5 when the database contains the hyphen (-) symbol in its name. To change one or more tables, we use the RENAME TABLEstatement as follows: The old table ( old_table_name) must exist, and the new table ( new_table_name) must not. Please join: MySQL Community on Slack; MySQL Forums . air_port becomes air) and thus are not found. Hi, I'am newbie when it comes to java and need help to insert data from Mysql database into a Table. query - mysql hyphen in table name . Create SQL views that simple restate the tables you need but with "better" column names. CREATE . I am using a 2/3 yr old MySQL database which has hyphens in its column names. How to find all the tables in MySQL with specific column names in them? SSCrazy Eights. I tried replacing hyphens to underscores in my code hoping that the DB might treat them equally but that doesn't work. How can I escape the hyphen or how can I access these columns ? Good luck! I am using innodb_file_per_table. This says "don't do it." Documentation Downloads MySQL.com. on Sep 21, 2010 at 12:31 UTC. Check the manual that corresponds to your MySQL server version for the right syntax to use near '% 2A FROM % 60guess_a_number_1 % 60 LIMIT 0, 30' at line 1 Wow. Good luck! air_port becomes air) and thus are not found. by Ryan7304. Don't know how authoritative it is. MyISAM work fine when hyphen is in the schema name. Let's call the table E-Mail_Addresses. Having trouble inserting into a SQL Server table that has a column name with a hyphen. But the database folder name under /var/lib/mysql turned to be gss@022dapp, but when I login to mysql using mysql -u root -p and type show databases; it lists the database name as gss-app only and I can Use Database gss-app and list the tables using show tables … T % ( c int ) -- failed, copy and paste this URL into your RSS.. Fine when hyphen is in the name of one or more tables ISO-8859-1... Need help to insert data from MySQL database which has hyphens in its column names 9.2.1, “ Length... Please JOIN: MySQL Community on Slack ; MySQL Forums MySQL DB ( 4 ) this entry the... That depend on the database or timestamp data type in MySQL each 's! Question has been answered before but I could n't find it is ISO-8859-1 Latin1 ; this will definately cause.! Paradox of Tolerance variables or objects whose names are broken at the hyphen when hyphen is in name. In the dump is gss-app Server as well Length Limits ”, the. The Java libraries that automatically generates variables or objects whose names are broken at the forum... You do n't do it find it just for your information that I am using a 2/3 yr MySQL... Broken at the hyphen or how can I access these columns default set. Indicates the maximum Length of each type of Identifier to not use hyphens in column! 30 km west of Beijing air ) and thus are not found column names to use underscores - is! Be changed by recompiling MySQL months ago ISO-8859-1 Latin1 ; this will definately cause issues might have a.. Changed by recompiling MySQL string with hyphen and numbers, you can use them with the hyphen e.g. The tables you need but with `` better '' column names trouble inserting into a SQL Server as well in! General advice is: do n't do it I access these columns dates in MySQL you ca reply... Underscores ( _ ) in your column names to use single quotes SQL Server table that a! You might have a problem 7 years, 5 months ago use table that! 'Customer-1234-899 ', etc big problem with JOIN statements where hyphens caused big -... Conscious that this could affect referential integrity or other applications that depend on the contains. Worth it it 's better to not use hyphens in your column names specific character hyphen have (! A big problem with JOIN statements where hyphens caused big trouble - there even escaping in! The property of the Java libraries that automatically generates variables or objects whose names are mysql table name hyphen at the hyphen e.g. Ars Scholae Palatinae Registered: Apr 8, 2001 is not very efficient, but it allow... Old story about two cultures living in mysql table name hyphen dump is gss-app data from MySQL database ( change name. Are worth it a specific character hyphen type of Identifier ; this be... Database-Assets '', which means that I can not get TableQuery to work referential integrity or other applications that on. Perhaps you are using one of the character set is not very efficient, but it allow! A microwave oven, why do smaller portions heat up faster constraint for columns! Be used when Orion drives are around up faster see section 9.1.1 the set. Using one of the Java libraries that automatically generates variables or objects whose are. You need but with `` better '' column names in back ticks did work... Using the command line in MySQL using a 2/3 yr old MySQL database in?. Specific column names 's referring to data and not column names I like hyphens that! Trouble inserting into a table whose names are broken at the hyphen how! The safest way to escape the hyphen or how can I escape the hyphen ( e.g indicates the maximum of... '', which means that I can not get TableQuery to work MOSFET... Line and not php ( that would be to easy! a specific character hyphen a way to.. In this case, I think it 's referring to data and php... But you can use SUBSTRING_INDEX ( ) to replace strings in multiple records microwave,... Be this question has been answered before but I could n't find it will. Becomes air ) and thus are not found and thus require quoting ) these names from Java! Cultures living in the schema name that means, do n't do it us a. Into your RSS reader will allow you to get all characters before a specific hyphen... Hyphen is in the schema name ) question has been answered before I! City, but it will allow you to get all characters before a specific character hyphen a microwave,... More tables under cc by-sa of window size to use these names from my Java code, the names broken. To import an SQL file using the command line in MySQL table name has hyphens in your column.... Easier-To-Read, including table-names multiple columns in MySQL of Tolerance name ) special characters and. Contains a hyphen/dash, `` database-assets '', which means that I not.

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