DATE_1 IN DATE, DATE_2 IN DATE) RETURN NUMBER IS NDATE_1 NUMBER; NDATE_2 NUMBER; NSECOND_1 NUMBER(5,0); NSECOND_2 NUMBER(5,0); BEGIN -- Get Julian date number from first date (DATE_1) NDATE_1 := TO_NUMBER(TO_CHA
Advanced Functions This Oracle tutorial explains how to use the Oracle/PLSQLTO_DATE functionwith syntax and examples. Description The Oracle/PLSQL TO_DATE function converts a string to a date. Syntax The syntax for the TO_DATE function in Oracle/PLSQL is: ...
Oracle SQL FunctionsOracle NVL() Function with ExamplesOracle SUBSTR() function with ExamplesOracle TO_DATE() with complete examplesOracle DECODE functionOracle INSTR() function with examplesOracle TO_CHAR() functionOracle TO_TIMESTAMP Number Functions (Math Functions)...
Oracle SQL supports date arithmetic in which integers represent days and fractions represent the fractional component represented by hours, minutes, and seconds. For example, adding .5 to a date value results in a date and time combination 12 hours later than the initial value. Some examples of...
Date Functions ADD_DAYS date The ADD_DAYS function adds a number of days to a date. The resulting date accords with the calendar. Note:Oracle FastFormula ignores any fractional part of the numbern. Example: ADD_DAYS ('30-DEC-1990', 6)returns 5-JAN-1991 ...
This article explains the Oracle LISTAGG functions, which is one of the more difficult functions to understand. Purpose of the Oracle LISTAGG Function The …
This chapter explains the nature of an Oracle database instance, the parameter and diagnostic files associated with an instance, and what occurs during instance creation and the opening and closing of a database.
The OracleLAST_DAY()function always returns aDATEvalue that represents the last day of the month of that input date. Examples Let’s look at the following examples of using theLAST_DAY()function. A) Get the last day of the current month ...
Similar Functions Purpose of the Oracle TO_TIMESTAMP Function The purpose of the Oracle TO_TIMESTAMP function is toconvert a string into a timestamp. It’s the “string to timestamp” function in Oracle SQL. Now, a TIMESTAMP value is a type of date. It includes: ...
Examples of startup options are OPEN, MOUNT, or 'READ ONLY'. -t <stop_options> Stop options for the database. Examples of shutdown options are NORMAL, TRANSACTIONAL, IMMEDIATE, or ABORT. -n <db_name> Database name (DB_NAME), if different from the unique name given by the -d option...