This article demonstrates how to use T-SQL to change the password for a SQL Server login.
You can change the password for another login (assuming you have the appropriate permissions), or you can change it for your own login. This article outlines both of these scenarios.
Continue readingIn MariaDB, REPEAT() is a built-in string function that returns a string repeated a certain number of times.
You pass the string, as well as the number of times you want it repeated when you call the function.
Continue readingIn MariaDB, QUOTE() is a built-in string function that allows you to escape a string so that it’s suitable for inclusion in an SQL statement.
The string is returned enclosed by single quotes, and a backslash is prepended to each instance of single quote ('), backslash (\), ASCII NUL, and Control-Z characters.
In MariaDB, MID() is a synonym for SUBSTRING(). It returns a substring from a given string.
According to the MariaDB documentation it’s a synonym for the SUBSTRING(str,pos,len) syntax of SUBSTRING(), however, my tests show that it works with all of the various forms.
In MariaDB, SUBSTR() is a synonym for SUBSTRING().
It’s a built-in string function that returns a substring from a given string.
It requires at least two arguments; the string, and the position for which to extract the substring from. It also accepts an optional third argument that allows you to specify how long the substring should be.
Continue readingIn MariaDB, SUBSTRING() is a built-in string function that returns a substring from a given string.
SUBSTRING() requires at least two arguments; the string, and the position for which to extract the substring from. It also accepts an optional third argument that allows you to specify how long the substring should be.
MongoDB provides several ways to drop an index or indexes.
To drop a single index, you can use the dropIndex() method.
To drop multiple indexes, you can use either the dropIndexes() method or the dropIndexes administration command.
In MariaDB, MATCH AGAINST is a special construct used to perform a full-text search on a full-text index.
In MariaDB, COERCIBILITY() is a system function that returns the collation coercibility value of its string argument.
It defines how collations will be converted in the case of collation conflict. In such conflicts, an expression with a higher coercibility is converted to the collation of an expression with a lower coercibility.
Continue readingIf you connect to MariaDB using the command line interface, you might sometimes find that your query results are too wide, due to the number of columns being returned, and the data they contain.
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