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27 gru 2013 · You should not set this variable to 0 if you are running MySQL on a system that has case-insensitive file names (such as Windows or Mac OS X). If you force this variable to 0 with --lower-case-table-names=0 on a case-insensitive file system and access MyISAM tablenames using different lettercases, index corruption may result.
Definition and Usage. The UPPER () function converts a string to upper-case. Note: This function is equal to the UCASE () function.
The UPPER() function in MySQL takes a string as input and returns the entire string in uppercase. It can be applied to both literal strings and table column values. The syntax for UPPER() is straightforward: </>. Copy. UPPER(string) Here, string can be any text or column that you want to convert to uppercase.
The UPPER() function returns the uppercase of a specified string argument. The following shows the syntax of the UPPER() function: UPPER(str) Code language: SQL (Structured Query Language) (sql) In this syntax, the str is the argument to be converted to the uppercase.
8 maj 2020 · You could use a CHECK constraint to enforce that the column always contains uppercase values.
Object names may be considered duplicates if their uppercase forms are equal according to a binary collation. That is true for names of cursors, conditions, procedures, functions, savepoints, stored routine parameters, stored program local variables, and plugins.
6 lis 2015 · The problem is when I run the query it doesn't work because of table name which is UPPERCASE. But when I change the table name to lowercase it works. $sql = "SELECT * FROM MEMBERS where USERNAME = '$username'"; $db = ADONewConnection('mysql'); $db->debug = true;
