The following is the query to change the lower case to upper case − mysql> update UpperTableDemo set BookName = upper(BookName) ĭisplay all records again with updated value. The query is as follows − mysql> select *from UpperTableDemo Normally, if any expression in a string comparison is case-sensitive, the comparison is. A number converted to a string is treated as a binary string. If a string function is given a binary string as an argument, the resulting string is also a binary string. Mysql> insert into UpperTableDemo values('introduction to c#') ĭisplay all records from the table using select statement. Table 12.13 String Comparison Functions and Operators. Note that usually, on Linux systems, the main mysql configuration file can be found in /etc/my.cnf or /etc/mysql/my.cnf. Now you can create or alter tables in upper case, the server will accept your query. Mysql> insert into UpperTableDemo values('introduction to python') Add this line in the mysql server variables array in my.cnf: lowercasetablenames2. Mysql> insert into UpperTableDemo values('introduction to java') When creating a new table, you shoud use lowercaseunderscore conventions for multi-word column names. In either case, table names should only contain alphabetic characters (no '' or '-'). The query is as follows − mysql> insert into UpperTableDemo values('introduction to c') For table names, you may use PascalCasing ( camelCasing with the first letter also capitalized) or lowercasing conventions, as long as you are consistent. Insert some records in the table using INSERT command. The following is the query to create a table − mysql> create table UpperTableDemo To understand the above concept, let us first create a table and insert string values in lowercase. or with postgres you should be able to just change your LIKE to ILIKE (case insensitive like) - its important to know that ILIKE is not universally. Some SQL developers here like to lay it out like this: SELECT s.name, m.eyes, m.foo FROM muppets m, muppetshows ms, shows s WHERE m.name 'Gonzo' AND m.muppetId ms.muppetId AND ms.showId s.showId They claim this is easier to read unlike your one field per line approach which I use myself. The syntax is as follows − UPDATE yourTableName set yourColumnName = UPPER(yourColumnName) If you already have a table with a lower case value, then you can use the UPPER() function with update command. Here is the output displaying string in upper case − +-+ The following is an example showing string in lower case − mysql> select upper('john') The syntax is as follows with select statement. mysql capitalization Share Follow edited at 6:42 Giacomo1968 25.8k 11 71 103 asked at 3:00 SirRatty 2,338 5 25 37 Add a comment 14 Answers Sorted by: 67 There's no MySQL function to do that, you have to write your own. You can use in-built function UPPER() from MySQL to change a lower case to upper case.
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