In MySQL, the JSON_VALUE() function extracts a value from a JSON document at the specified path.
The function was introduced in MySQL 8.0.21.
Continue readingAuthor: Ian
How to Format Negative Numbers with Angle Brackets in Oracle
When using the TO_CHAR() function to format a number in Oracle Database, you can use the PR format element to return negative values inside angle brackets (<>).
3 Ways to Format a Number as a Percentage in PostgreSQL
We have several options if we want to display numbers with a percentage sign in PostgreSQL.
We can use the TO_CHAR() function to format the number along with the percentage sign. Or we can simply concatenate the number with the percentage sign, either with the CONCAT() function or with the concatenation operator.
Add a Percent Sign to a Number in MariaDB
Below is a quick example of formatting a number as a percentage in MariaDB.
Continue readingAdd Leading Zeros in SQL
Below are examples of adding a leading zero to a number in SQL, using various DBMSs.
Continue readingFormat a Number as a Percentage in Oracle
Even though Oracle Database has a TO_CHAR(number) function that allows us to format numbers, it doesn’t provide a format element for the percentage sign.
Therefore, if we want to format a number as a percentage in Oracle Database, we need to concatenate the percentage sign and the number.
Continue readingFormat a Number as a Percentage in MySQL
In MySQL, we can format a number as a percentage by concatenating the number with the percent sign.
The CONCAT() function concatenates its arguments. We can pass the number as the first argument, and the percent sign as the second.
2 Ways to Add a Percent Sign to a Number in SQLite
Here are two ways to format a number as a percentage in SQLite.
Continue readingHow to Export Query Results to a .txt File when using SQLcl (Oracle)
When querying Oracle Database, you can use the SPOOL command to export your query results to a text file when using SQLcl.
How to Remove the Trailing Spaces after the Month Name in Oracle
If you’ve ever used the TO_CHAR() function to format a date that uses the month name, you might have noticed that sometimes the month is returned with right padding.