Tag: PLSQL

Did you know that you can put comments into SQL statements in Oracle? Comments can appear in one line or be distributed over several lines. Let's see how this can be done.There are two...

In this tutorial you will learn how to use literals (text, integers and numbers) in Oracle with examples.In Oracle, he wrote the same thing as the constant. We will consider three types of...

Below is a list of data types available in Oracle/PLSQL, which includes character, numeric, date/time, Boolean LOB, RowId data types. Symbolic data types Below are the character data types in...

Oracle PL SQL date / time functionsFunction DescriptionADD_MONTHS The Oracle/PLSQL function ADD_MONTHS returns a date plus n months.CURRENT_DATE Oracle/PLSQL function...

The Oracle/PLSQL TRUNC function returns a date truncated to a specific unit. Oracle/PLSQL syntax of TRUNC function TRUNC ( date_id, [ format_id ] ) Parameters and function arguments...

The Oracle/PLSQL TO_DATE function converts a string into a date. Syntax of the Oracle/PLSQL TO_DATE function TO_DATE( string1_id, [ format_mask_id ], [ nls_language_id ] ) Parameters and...

Oracle/PLSQL SYSTIMESTAMP function returns the current system date and time (including fraction of a second and time zone) to your local database. Oracle/PLSQL syntax of SYSTIMESTAMP...

Oracle/PLSQL SYSDATE function returns the current system date and time on your local database. Oracle/PLSQL syntax of the SYSDATE function SYSDATE Parameters and function argumentsNo...

The Oracle/PLSQL ROUND function returns a date rounded to a specific unit. Oracle/PLSQL syntax of the ROUND function (for dates) ROUND( date_id, [ format_id ] ) Parameters and function...

Oracle/PLSQL NEXT_DAY function returns the first day of the week that is larger than date. Oracle/PLSQL syntax of function NEXT_DAY NEXT_DAY( date_id, weekday_id ) Parameters and function...

Oracle/PLSQL MONTHS_BETWEEN function returns the number of months between date1 and date2. Oracle/PLSQL syntax of MONTHS_BETWEEN function MONTHS_BETWEEN( date1_id, date2_id ) Parameters and...

Oracle/PLSQL LAST_DAY function returns the last day of the month based on the date value. Oracle/PLSQL syntax of LAST_DAY function LAST_DAY( date_id ) Parameters and function arguments...

The Oracle/PLSQL EXTRACT function extracts a value from a date or interval value. Oracle/PLSQL syntax of EXTRACT function EXTRACT ( { YEAR | MONTH | DAY | HOUR | MINUTE | SECOND } | {...

The Oracle/PLSQL DBTIMEZONE function returns the time zone of the database as an offset of the time zone (in the following format: '[+|-]TZH:TZM') or the time zone name. Oracle/PLSQL syntax of...

 Oracle/PLSQL CURRENT_TIMESTAMP function returns the current date and time in the time zone of the current SQL session as set with the ALTER SESSION command. It returns the date/time...

Oracle/PLSQL CURRENT_DATE function returns the current date in the time zone of the current SQL session as set with the ALTER SESSION command. Oracle/PLSQL syntax of function...