MariaDB provides several ways to perform arithmetic on dates. This includes adding or subtracting a day (or many days) from a given date.
Here’s an example of subtracting a day from a date in MariaDB.
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List All Functions in Oracle Database
Here are several ways to get a list of functions in Oracle Database.
Continue readingAdd the Ordinal Indicator to a Date in Oracle
In Oracle Database, we can use the TH format element to add the ordinal number suffix to the result of a TO_CHAR() operation when formatting dates.
For example, instead of outputting 10 Feb we could output 10th Feb. Or, instead of outputting 21 century, we can output 21st century. The same applies for spelled date components. For example, instead of Twenty One, we can output Twenty First.
3 Ways to Get the Collations Available in MariaDB
If you need to find the collations that are available in your MariaDB installation, check out the following three methods.
Continue readingHow to Detect if a Value Contains at Least One Numerical Digit in MySQL
If you need to return all rows that contain at least one numerical digit in MySQL, the following example might come in handy.
Continue reading5 Ways to Fix the “Divide by zero error” in SQL Server (Msg 8134)
Here are five options for dealing with error Msg 8134 “Divide by zero error encountered” in SQL Server.
Continue readingFind Out Which Currency Symbol your Session Uses in Oracle
In Oracle Database, the following NLS parameters can be used to determine how currencies are displayed for the current session:
NLS_CURRENCYspecifies the string to use as the local currency symbol for theLnumber format element.NLS_ISO_CURRENCYdetermines what to use for theCformat element.NLS_DUAL_CURRENCYspecifies what to use for theUformat element.
The default value for these is determined by the NLS_TERRITORY parameter.
The L, C, and U number format elements can be used in functions like TO_CHAR() to format a number as a currency.
How to Spell Out the Year when Formatting a Date in Oracle
Oracle Database includes a good selection of datetime format elements. that enable us to format dates and times when using the TO_CHAR(datetime) function.
One of these (the YEAR format element) allows us to format a date with the year spelled out. For example, instead of 1972, we’d get NINETEEN SEVENTY-TWO.
We can also use SYEAR so that BC dates are prefixed with a minus sign (-).
Set the Language used for Date & Time Functions in MariaDB
MariaDB has a lc_time_names system variable that controls the language used by the DAYNAME(), MONTHNAME() and DATE_FORMAT() date and time functions.
Here’s how to set the value of that variable.
Continue readingFix Msg 529 “Explicit conversion from data type int to xml is not allowed” in SQL Server
If you’re getting SQL Server error Msg 529 that reads something like Explicit conversion from data type int to xml is not allowed, it’s probably because you’re trying to perform a data type conversion that’s not permitted.
SQL Server doesn’t allow certain conversions. If you try to perform such a conversion, you’ll get this error.
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