In Oracle, the NCHR() function returns the character having the binary equivalent to its argument in the national character set.
It’s the equivalent of using the CHR() function with the USING NCHAR_CS argument.
Category: DBMS
Database Management Systems
CHR() Function in Oracle
In Oracle, the CHR() function returns a character based on the code values provided as an argument.
More specifically, it returns the character having the binary equivalent to its argument as a VARCHAR2 value in either the database character set or, if you specify USING NCHAR_CS, the national character set.
TRIM() Function in Oracle
In Oracle, the TRIM() function allows you to trim characters from the sides of a string.
You can trim leading characters, trailing characters, or both.
By default, it trims white space, but you can optionally specify a different character or characters to trim.
Continue readingLTRIM() Function in Oracle
In Oracle, the LTRIM() function allows you to trim the left part of a string. By default, it trims white space, but you can optionally specify a different character or characters to trim.
RTRIM() Function in Oracle
In Oracle, the RTRIM() function allows you to trim the right part of a string. By default, it trims white space, but you can optionally specify a different character or characters to trim.
SET SQLBLANKLINES: How to Allow Blank Lines in SQLcl & SQL*Plus
If you’re trying to run a multi-line query in SQLcl or SQL*Plus, and you keep getting an error such as “Unknown Command”, but running it in SQL Developer causes no such error, maybe this post will help.
By default, SQLcl and SQL*Plus don’t allow blank lines in SQL statements. However, you can change this with the SET SQLBLANKLINES command.
SINH() Function in Oracle
In Oracle, the SINH() function returns the hyperbolic sine of its argument.
SIN() Function in Oracle
In Oracle, the SIN() function returns the sine of its argument, where the argument is an angle expressed in radians.
MongoDB Aggregation Operators for Returning Date Parts
This article lists the various aggregation pipeline operators that can be used to return individual date parts from a Date object in MongoDB.
Continue readingPOWER() Function in Oracle
In Oracle, the POWER() function returns its first argument raised to the power of its second argument.