LOCALTIMESTAMP returns a TIMESTAMP value. You can specify an optional integer argument to specfiy the precision of the second field. Example: SELECT LOCALTIMESTAMP FROM DUAL; LOCALTIMESTAMP —————————- 13-SEP-05 03.02.49.407000 PM
Lpad – Oracle SQL Function
LPAD returns a VARCHAR2 string that is arg1 left padded with arg3 for a length of n. If arg3 is not provided Oracle will pad with blank spaces. Example: SELECT LPAD(’10 + signs’,10,’+’) as RESULT from DUAL; RESULT —————— ++++++++++10
MONTHS_BETWEEN – Oracle SQL Function
MONTHS_BETWEEN returns an integer specfiying the number of months between two dates. The result can be either positive or negative depending on which date is greater. Example: SELECT MONTHS_BETWEEN(10-JAN-2036′, ’10-JAN-2004′ ) AS RESULT FROM DUAL; RESULT ——————- 384
Ltrim – Oracle SQL Function
LTRIM returns a VARCHAR2 string that is the same as arg1 with the characters in arg2 removed. LTRIM keeps scanning from the left most character and keeps removing characters until none match arg2. Example: SELECT LTRIM(‘xxxx-AA’,’x’) as RESULT from dual;
NEW_TIME – Oracle SQL Function
NEW_TIME returns the date and time in timt zone ‘tz2’ based on the time zone ‘tz1’ and the date argument ‘the_date’. Syntax: NEW_TIME(the_date, tz1, tz2) You must set the NLS_DATE_FORMAT parameter to a 24-hour format before you execute the NEW_TIME
Rpad – Oracle SQL Function
RPAD returns a VARCHAR2 string that is arg1 right padded with arg3 for a length of n. If arg3 is not provided Oracle will pad with blank spaces. Example: SELECT RPAD(’10 + spaces’,10,’+’) as RESULT from dual;
Next_day – Oracle SQL Function
NEXT_DAY returns the next day specified in the day_to_find argument from the date argument. day_to_find must be a string denoting a valid day of the week. Syntax: NEXT_DAY(date,day_to_find) Example: SELECT NEXT_DAY(’23-OCT-2004′,’FRIDAY’) AS RESULT FROM DUAL; RESULT —————- 29-OCT-2004 00:00:00
Log – Oracle SQL Function
LOG returns the log of the second argument with base of argument 1. The base can be any positive number except 0 or 1, and the second argument can be any positive integer. The arguments can be a numeric value
Soundex – Oracle SQL Function
SOUNDEX returns the phonetic representation of argument1. It is often used to do searching in a table to find words that sound the same as each other but are spelled differently. The argument arg1 can be a CHAR, VARCHAR2, NCHAR,
Sessiontimezone – Oracle SQL Function
SESSIONTIMEZONE returns the time zone of the current session. Example: SELECT SESSIONTIMEZONE as RESULT from DUAL; RESULT ————- -05:00