. In this example, the format elements are: DD represents the day, Mon represents the abbreviated name of the month, YYYY represents the 4-digit year, and the character string literal '-' represents the hyphen character Definition of Oracle Date Format. Oracle provides the different function and format to the user, from the different format we have a date format, oracle database handles the date format in a straightforward way and it is very easy to understand, but many client and PL/SQL developers have confusion about the data format To translate a character value, which is in format other than the default date format, into a date value you can use TO_DATE function with date format to date Like this DAY format model there are many other date format models available in Oracle. The following table list date format models Format type 4, with French Canadian as the locality. If you use 4@CAD in a DAL function, the system returns the French Canadian translation of date format type 4 (Month D, YYYY with month spelled out). If you specify a locale, it must be the last component of the date format. décembre 18, 201
The Oracle TO_DATE function returns a DATETIME representation of the string input using the date_format input.. Following are important rules to follow along with syntax exemplifying the implications of the rules. By default, strings following the formats of DD-MON-YYYY, DD-MON-YY, DD-MONTH-YYYY, DD-MONTH-YY can automatically be converted without the need for a date_format TO_CHAR converts the date of DATE, TIMESTAMP, TIMESTAMP WITH TIME ZONE, or TIMESTAMP WITH LOCAL TIME ZONE datatype to a value of VARCHAR2 datatype in the format specified by the date format. This post explains Oracle To_Char date format examples with syntax and date format specifiers However, the final date is displayed in the default format of DD-MON-YY. Example. SELECT TO_DATE('31-DEC-2020'), TO_DATE('31-DEC-20') FROM dual; Finally, a DBA can help you set the default date format in Oracle. A DBA can change the setting of NLS_DATE_FORMAT by setting this parameter's value in the database's init.ora or spfile.ora file. DATE is the main - or rather, original - datatype used in Oracle for holding dates. Beneath the plainness of its name, it hides a little depth. Firstly, for example, it doesn't really hold a date, instead it records a date time. It's a seven byte store of century, year, month, day and hour, minute and second
So first change the database date format before insert statements ( I am assuming you have bulk load of insert statements) and then execute insert script. Format can be changed by : ALTER SESSION SET nls_date_format = 'mm/dd/yyyy hh24:mi:ss'; Also You can Change NLS settings from SQL Developer GUI , (Tools > preference> database > NLS The default date format for an Oracle date value is derived from the NLS_DATE_FORMAT and NLS_DATE_LANGUAGE initialization parameters. The date format in the example includes a two-digit number for the day of the month, an abbreviation of the month name, the last two digits of the year, and a 24-hour time designation Oracle Database enables you to perform arithmetic operations on dates and time stamps in several ways: Add a numeric value to or subtract it from a date, as in SYSDATE + 7; Oracle Database treats the number as the number of days. Add one date to or subtract it from another, as in l_hiredate - SYSDATE Oracle TO_DATE function can convert a string into a datetime value which is acceptable for computing or comparing values of datetime type. In other words, TO_DATE recognizes and converts a string into a datatime value. In this post, I will introduce Oracle TO_DATE, SQL function in two parts:. Oracle TO_DATE Syntax; Oracle TO_DATE Examples; A. Oracle TO_DATE Synta
Oracle TO_DATE Format Mask The Oracle TO_DATE function includes a format mask. The format mask is helpful as it allows you to specify what format the date value was provided in. If, for example you have a charvalue of '02/05/2017′, does this mean May 2nd or Feb 5th have to call TO_DATEexplicitly: Whenever Oracle expects a DATEvalue, it will automatically convert your input string using TO_DATEaccording to the default DATEformat DD-MON-YY. For example, to insert a tuple with a DATEattribute, you can simpl How to change date format using to_date function . We may want to change the strings into date format for comparison, for storing as date in Oracle table. In this case you can use to Oracle to_date function. Example select to_date('11-JAN-2019 13:12:12', 'dd-mon-yyyy hh24:mi:ss') from dual; select to_date( '11-JAN-2019', 'dd-mon-yyyy') from dual
start create_table host sqlldr control=load_5.ctl userid=rene select id, to_char(dt, 'dd.mm.yyyy') dt from tq84_sql_loader_5; prompt prompt Note, record with 20101010 is also loaded prompt drop table tq84_sql_loader_5 purge For example if you select the rows from scott emp table you will see the output like this. In the above output the salary column is shown without any formatting which is the default in SQL Plus. If you want to format numeric column values with commas, you can format it like this for example. SQL> col sal format $999,99,999.9
. Remember, all DATE datatypes are stored in a special internal format, complete to the hundredth of a second The syntax for the TRUNC function in Oracle/PLSQL is: TRUNC ( date [, format ] ) Parameters or Arguments date The date to truncate. format. Optional. The unit of measure to apply for truncating. If the format parameter is omitted, the TRUNC function will truncate the date to the day value, so that any hours, minutes, or seconds will be. Example # In Oracle a DATE data type does not have a format; when Oracle sends a DATE to the client program (SQL/Plus, SQL/Developer, Toad, Java, Python, etc) it will send 7- or 8- bytes which represent the date Convert and outputs to the ordinal format. For example 1 is converted to 1st. ORACLE DATE FORMATS FOR MINUTES. MI: Outputs Minutes For example 0-59. SS: Outputs Seconds For example 0-59. SSSSS: Outputs Seconds past midnight For example 0-86399. ORACLE DATE FORMATS FOR TIME. TZD: Outputs abbreviated time zone name. For example PST. TZH Examples below are Oracle conversions from char to date using date format elements: Oracle PL/SQL SELECT TO_DATE('23.07.2011', 'DD.MM.YYYY') FROM dual --result: 23.07.2011 SELECT TO_DATE('23.07.2011 15:43:46', 'DD.MM.YYYY HH24:MI:SS') FROM dual --result: 23.07.2011 15:43:46 SELECT TO_DATE('18 JULY 2011', 'DD MONTH YYYY') FROM dual --result: 18.
Oracle supports both date and time, and instead of using two separate entities, date and time, Oracle only uses one, DATE. The DATE type is stored in a special internal format that includes not just the month, day, and year, but also the hour, minute, and second Please note the values for the date variable, publish_dt, are enclosed in single quotation marks. The format 'DD-MON-YYYY' is the default date format set for that Oracle database instance. If the date is supplied in any other format, transformation logic is necessary. In the below code, the Oracle TO_DATE function is utilized. proc sql
sql loader and date hi!!!i am using sqlloader, i have a table T in my databaseT (empno, start_date date, resign_date date)my data file has data like this (date format IN THE DATAFILE is 'YYYYMMDD')1, 19990101,200011012, 19981215,200103153, 19950520,00000000the string 00000000 implies that th Oracle date formats - Oracle - SS64.com How-to: Date and Time formats When a date format is used by TO_CHAR or TO_DATE they return a formatted date/time. When used by TRUNC they will return the first day of the period by Mike Ault. Getting Milliseconds from Oracle Timestamps. Had in interesting query from a client today. They have been storing start and stop times from a process in Oracle TIMESTAMP format and now want to get milliseconds out of the difference between the two timestamps
Oracle TIMESTAMP is a data type which stores in the format of century, Year, Month, Date, Hour, Minute, Second. TIMESTAMP is an extension of DATE data type. TIMESTAMP data type is an enhancement of DATE data type and provides more intelligence Scenario 3 : Convert time to seconds with nls_session_parameters. I have explained the two types to convert the system time in to seconds. Hope you might know about the nls_session_parameters.. The first step is to select the NLS_TIMESTAMP_FORMAT and then next step is to change tat NLS_TIMESTAMP_FORMAT to 'DD-MON-YYYY HH24:MI:SS' .If you can observe query closedly with using round function. Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i, Oracle 8i. Examples: Oracle TO_CHAR (datetime) function . The following example uses this table: CREATE TABLE date_tab ( ts_col TIMESTAMP, tsltz_col TIMESTAMP WITH LOCAL TIME ZONE, tstz_col TIMESTAMP WITH TIME ZONE) Returns date rounded to the unit specified by the format model. If you omit the format, the date is rounded to the nearest day ROUND(, ) SELECT ROUND(TO_DATE('27-OCT-00'),'YEAR') NEW_YEAR FROM dual; TRUNC Convert a date to the date without time (0:00h) Example: TRUNC(sysdate) returns today without time. First day of the month Oracle Date/Time Function - Oracle/PLSQL TO_TIMESTAMP Function « Previous; Next » This Oracle tutorial explains how to use the Oracle/PLSQL TO_TIMESTAMP function. The Oracle/PLSQL TO_TIMESTAMP function converts a string to a timestamp. TO_TIMESTAMP(x, [format]) converts the string x to a TIMESTAMP. x may be a CHAR, VARCHAR2, NCHAR, or.
When Oracle implicitly converts from a DATE to a string or vice-versa (or when TO_CHAR() or TO_DATE() are explicitly called without a format model) the NLS_DATE_FORMAT session parameter will be used as the format model in the conversion. If the literal does not match the format model then an exception will be raised Get code examples like date format in oracle instantly right from your google search results with the Grepper Chrome Extension For example, 2002 returns 21; 2000 returns 20. D: Day of week (1-7). This element depends on the NLS territory of the session. DAY: Name of day. DD: Day of month (1-31). DDD: Day of year (1-366). DL: Returns a value in the long date format, which is an extension of the Oracle Database DATE format, determined by the current value of the NLS_DATE.
The DATE datatype always stores a four-digit year internally. If you use the standard date format DD-MON-YY YY will assume a year in the range 1900-1999 - it is strongly recommended you apply a specific format mask. YEAR 2000 Check .DATETIME().These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example Oracle Date/Time Function - Oracle/PLSQL TO_DATE Function « Previous; Next » This Oracle tutorial explains how to use the Oracle/PLSQL TO_DATE function. to_date function converts a string to a date. Syntax. The syntax for the to_date function is: to_date( string1, [ format_mask ], [ nls_language ] specific date format oracle; sqlite datetime; mysql date range; get all employee of salary if more than in sql; sql database size; sql server select furst day of current year; get first monday of month sql; sql server format date 'Column count doesn't match value count at row 1; mysql biginteger size; create table with date column in sq
How to Convert Timestamp to Date Format in Oracle. 12.58K views July 25, 2020. 0. TAJ786 June 20, 2016 0 Comments Hi, I want to convert below timestamp to date in Oracle. '15-JUN-16 22:54:39′,'dd-mon-yy hh24:mi:ss'. After a control in ORACLE database , the column is effectively a date. In ORACLE we can see the date in this format YYYY-MM-DD HH-MM-SS . When we see the date by SAS the data which come from ORACLE , the format is an other . It's a date which appears like a digit The Oracle view it's 2017-09-07 00:00:00 in SAS view it's 1820361600 Read more about oracle DATE here >> DATE Data type, TO_DATE ,TO_CHAR,TO_TIMESTAMP,timestamp format,DATE vs TIMESTAMP,comparing dates,DATE Format Example for Max(date): Step 1: Create table DATETABLE as follows ,which is having a DATE column as 'thedate' We can do this explicitly using TO_CHAR or Oracle will do it implcitly. And now NLS format masks kick in - the format mask decides how a DATE is converted to a VARCHAR2 and back. The are defaults for NLS format masks at the database level, we can set them at the session level or we can pass a format mask to the individual TO_CHAR call
We got a request from multiple folks saying they are struggling to change the date time format in Oracle Integration Cloud. We are writing this article to see how to change the default date format(2019-04-13T05:09:05.049+00:00) to a different format.Oracle Integration Cloud Service provides an Out of the box function(xp20:format-dateTime) which allows us to change the date time format . We are on ICS version (22.214.171.124.3) and the function is available(xp20:format-dateTime). Let us see how to apply this function and change the date format as per the requirement. The function(xp20:format. Term: CURRENT_DATE Definition: The Oracle CURRENT_DATE function returns the current date in the session time zone, in a value in the Gregorian calendar of datatype DATE.The format in which the date is displayed depends on NLS_DATE_FORMAT parameter. The default setting of NLS_DATE_FORMAT is DD-MON-YY.This returns a 2-digit day, a three-character month abbreviation, and a 2-digit year
Please, look at the screenshots. Here is how it look in Excel. There is fields of Custom format 'dd.mm.yyyy hh:mm:ss' While exporting in Oracle SQL Developer on step 1 it's already represented in format 'mm/dd/yyyy' and 'hh:mm:ss' part is not shown. Although I have configured NLS Date format. Thanks. Have a nice day The RR Date Format Element The RR date format is similar to the YY element, but it allows you to specify differeut centuries You can use the RR date format element instead of YY, so that the century of the return value according to the specified two-digits of the current year. The table on the slide summarizes the behavior of the RR element The 'format' string must be a valid DATE format: YYYY=year, MM=month, DD=Day, HH=Hour, Mi=Minute If no format is specified Oracle will assume the default date format has been supplied in char. Note that the return value of TO_DATE can be influenced by setting the NLS_DATE_LANGUAGE and NLS_CALENDAR parameters
Few more valid examples: 2019-09-11T21:32:52, 2019-09-11T21:32:52+02:00, 2019-09-11T19:32:52Z, 2019-09-11T19:32:52+00:00, 2019-09-11T21:32:52.11179. While working with different systems, we may come across such systems, which require date time in some different formats other than default format as supported by xs:dateTime Oracle Database provides globalization support for features such as: Native languages and territories. Local formats for date, time, numbers, and currency. Calendar systems (Gregorian, Japanese, Imperial, Thai Buddha, and so on) Multiple character sets, including Unicode. Character semantic
Example 1: Change the Date Format in Oracle. In this example, the APPEND procedure adds SAS data from the SASLIB.DELAY data set to the Oracle table that is accessed by MYDBLIB.INTERNAT. Using SASDATEFMT=, the default SAS format for the Oracle column DATES is changed to the DATE9. format.. For example, if the NLS_DATE_FORMAT session parameter is set to MM/DD/YYYY, then the text values that the connector writes to a column of DATE data type must adhere to that format. In this case, the value 12/03/2008 is acceptable, but the value 03-DEC-2008 is not
The following example rounds a date to the first day of the following year: SELECT ROUND (TO_DATE ('10-SEP-14'),'YEAR') as new_year FROM DUAL; TRUNC(date, [format]) - Truncates the specified date of its time portion according to the format provided. If the 'format' is omitted, the hours, minutes or seconds will be truncated The standard Oracle time format for input and output is 'DD-MON-YY' and it is again set at NLS_PARAMETERS (NLS_DATE_FORMAT) at the session level. newyear DATE:='01-JAN-2015'; current_date DATE:=SYSDATE; Syntax Explanation: In the above, variable 'newyear' is declared as DATE data type and assigned the value of Jan 1 st, 2015 date
DATE is a data type used to store date and time values in a 7-byte structure. Oracle can handle date ranges from January 1, 4712 BCE through December 31, 9999 CE (Common Era, or AD). Unless BCE (BC in the format mask) is specifically used, CE date entries are the default. Examples SQL> CREATE TABLE t1(c1 DATE); Table created Oracle database stores dates in an internal numeric format, representing the century, year, month, day, hours, minutes, and seconds. The default display and input format for any date is DD-MON-YY(You can change it). Valid Oracle dates are between January 1, 4712 B.C. and December 31, 9999
Oracle allows us to add days to Date using plus (+) operator and Interval data type. Plus (+) operator to add days Assume that current date is '06/06/2020′ (DD/MM/YYYY). Lets add 2 days to current date in Oracle date must be a column defined as a DATE datatype in Oracle. It cannot be a string, even if it is in the most common date format of DD-MON-YY. The only way to use a string where date appears in the TO_CHAR function is to enclose it within a TO_DATE function To get current date and time in Oracle SYSDATE internal value which returns the current date from the operating system on which the database resides. The datatype of the returned value is DATE, and the format returned depends on the value of the NLS_DATE_FORMAT initialization parameter I need to convert an Oracle 9 date type from d/mm/yyyy hh:mm:ss format to the iso8601 standard. Like the example below: 4/22/2015 12:02:56 AM => 2015-04-22T04:02:56.000Z. Below is a a query that will convert an Oracle date type to a iso8601-formatted string. I need an is8601 formatted date
The DATE_FORMAT () function allows you to return a date in a specified format. For example, you can use it to return 2020-06-18 as Thursday, June 2020, or whatever other format you require Date Data Type. DATE is the oracle datatype that we are all familiar with when we think about representing date and time values. It has the ability to store the month, day, year, century, hours, minutes, and seconds. The problem with the DATE datatype is its' granularity when trying to determine a time interval between two events when the events happen within a second of each other • The default date format is DD-MON-YY. • SYSDATE is a function returning date and time. • DUAL is a dummy table used to view SYSDATE. Oracle Date Format The default display and input format for any date is DD-MON-YY. Valid Oracle dates are behween Januar 1, 4712 B C. , and December 31, 9994 A.D. SYSDAT So, we summarise the above data as, All columns got assigned values per the data types, for example, for the first column - YEAR - though we inserted using 'now()' function which is the current timestamp, the value that got inserted is just the year part of the current date time - i.e. 2020. now() function returns the current datetime in the format - dd:mm:yyyy hh:mm:s
So Julian date starts on 01-Jan-4712 BC. Note :- 'J' is the format string to convert date to Julian Date. Convert Julian Date to date 'JSP' format string converts Julian Date to date. Examples :-SQL > select to_char(to_date(2456317,'JSP'),'dd-Mon-yyyy') as day from dual; DAY ———— 24-Jan-201 SELECT TO_DATE(' 14-APR-2015', ' DD-MON-YYYY') FROM dual; Finally, if neither of those solutions work, or if you're not specifying a format value, then it is most likely a database setting. Sessions on your database are created in a certain language format or date format. These are set up when Oracle is installed, but can be modified for a session In Oracle, date format and timezones feature multiple data types, including DATE, TIMESTAMP, TIMESTAMP WITH TIME ZONE and TIMESTAMP WITH LOCAL TIME ZONE. The TIMESTAMP data type is an extension of the DATE type. Date format in Oracle can be represented either as literals or as numeric values. The literal needs to be in a specified format A value stored in a DATE field contains components corresponding to the century, year, month, day, hour, minute and second. Dates can be anywhere in the range from January 1, 4712 B.C., to December 31, 9999 A.D. The TIMESTAMP type, available since Oracle9 i, is effectively an extended form of the DATE type and complies with ANSI SQL
example: select to_char (sysdate,'dd/Mon/yyyy') from dual - to display date in DD/Mon/YYYY format The Format eXact modifier, FX, toggles exact format matching on or off. It is used only in input format models (e.g. with TO_DATE). It has no effect when used in output format models (e.g. with TO_CHAR). When toggled on, FX forces the function to perform an exact match between the format model and the character argument ORACLE-BASE - External Table Enhancements in Oracle Database 12c Release 1 (12.1) The examples in this article require the SCOTT schema. ( RECORDS DELIMITED BY NEWLINE FIELDS TERMINATED BY ',' DATE_FORMAT DATE MASK DD-MON-YYYY HH24:MI: SS MISSING. For example, if you specify a date of 3-FEB-2017, and a format of YEAR, then the returned value will be 1-JAN-2017. It will be truncated to the beginning of that year
The Oracle SQL to_char function is used to convert oracle DATE or INTERVAL into VARCHAR2 datatype in a specified date format. It is very useful for formatting the internal date returned by a query in a specific date format. Syntax for to_char () function:- TO_CHAR(expression [, 'date_format' ] [, nslparam ] 10 Oracle SQLLDR Command Examples (Oracle SQL*Loader Tutorial) by Ramesh Natarajan. on June 25, 2012. Tweet. If you are using Oracle database, at some point you might have to deal with uploading data to the tables from a text file. Date format and Different Delimiter Default date formats The java.text.DateFormat class, and its concrete subclass java.text.SimpleDateFormat, provide a convenient way to convert strings with date and/or time info to and from java.util.Date objects. Figure 1 shows an example of using default DateFormat: objects to format a date in a variety of ways Notice that the date format must be corresponding to the date string as specified in the statement DD MON YYYY. Check it out the Oracle TO_DATE() and PostgreSQL TO_DATE() functions for the details. In this tutorial, you have learned how to use the CAST() and TO_DATE() functions to convert a string to a date in SQL Oracle SOA Suite - Version 126.96.36.199.0 and later Information in this document applies to any platform. Goal. This document provides several examples of format strings and their output when used in the xp20:format-dateTime() function. Format Strings may also be referred to as Picture Strings. Solutio
An operand with a leading plus (+) sign signals a user-defined format string which specifies the format in which to display the date and time. The following examples are tested on GNU/Linux, Apple OS X Unix, and FreeBSD unix operating system Oracle sql datetime format example Oracle supports both date and time, albeit differently from the SQL2 standard. Rather than using two separate entities, date and time, Oracle only uses one, DATE. The DATE type is stored in a special internal format that includes not just the month, day, and year, but also the hour, minute, and second When reviewing Oracle APEX applications I often see hardcoded date or timestamp formats. You can define your date formats in multiple places in your application. In your item or column attributes, as part of your code e.g.TO_CHAR (sysdate, 'DD-MON-YYYY HH24:MI') or if you want to make it more reusable you might create a substitution string This article shows how to use regex + code to validate a date format, support single and leading zero month and day format (1 or 01), check for the 30 or 31 days of the month, and leap year validation Oracle has expanded on the DATE datatype and has given us the TIMESTAMP datatype which stores all the information that the DATE datatype stores, but also includes fractional seconds. If you want to convert a DATE datatype to a TIMESTAMP datatype format, just use the CAST function as I do in Listing C. As you can see, there is a fractional.
A format string defines how the output should be formatted. The FORMAT() function also accepts an optional culture argument, which allows you to specify a language/locale that the results should adhere to. Basic Example. Here's a basic example of using the FORMAT() function to format a date. Raw Date. First, here's what the raw date. WHERE PROJ_DATE = TO_DATE(:ActivityDate,'YYYY-MM-DD') When I run the query from the Data tab, all works as expected. I suspect the reason is that I under the date as 2005-12-31. If I enter the date as 12/31/05, the query fails (Not a valid month) unless I change to function's format to 'MM/DD/YYYY' in which case I, again, get good results You can specify multiple group separators in a number format model. L: Returns in the specified position the local currency symbol. Default currency value is set in the NLS_CURRENCY parameter. Format element for Oracle currency formatting. MI: Returns negative value with a trailing minus (-) sign. Returns positive value with a trailing blank. P
Oracle provides conversion functions to change an input into compatible data type family. Below article explains the conversions and format masking done by TO_CHAR and TO_DATE functions. 1. TO_CHAR TO_CHAR function is used to typecast a numeric or date input to character type. 1.1. Number to Character conversio Before we go toward the practical example, let me explain to you the available list of Convert date format in Sql Server. For this demonstration, we are going to write different SQL Date format Queries using CONVERT, and FORMAT function. The CONVERT function provides different formatting styles to format date and time In SQL Server 2012 and later, a new function FORMAT has been introduced which is much easier to use to format dates. This article shows different examples of using this new function to format dates. Solution. Starting with SQL Server 2012, a new function to handle formatting dates was introduced which is similar to Oracle's to_date function DATE. contains date values. Valid dates are from January 1, 4712 BC to December 31, 4712 AD. The default format is DD-MON-YY, for example '05-OCT-98'. TIMESTAMP. contains double binary data that represents the SAS DATETIME value, where d is the fractional second precision that you specify on the column and w is derived from the value of d
If you have a file that contains various static date strings, you can use -f or -file option as shown below. In this example, we can see that datefile contained 2 date strings. Each line of datefile is parsed by date command and date is outputted for each line 1. Formatting Date using Microsoft Word's native date format mask. 2. Formatting Date using Oracle's format-date function. 3. Formatting Date using Oracle's abstract date format masks. 4. Format with Calendar. Lets me now explain little details about the above three ways, and below is the XML I am going to use in the below examples If no value is specified for the DateTime database parameter, PowerBuilder looks for a DateTime format in the section for your ODBC driver in the PBODB115 initialization file. If no DateTime format is found in the initialization file, PowerBuilder uses the ODBC DateTime format escape sequence. Oracle. The default Oracle DateTime format For date to character conversion, the nls parameter can be used to specify the day and month names, as applicable. Dates can be formatted in multiple formats after converting to character types using TO_CHAR function. The TO_CHAR function is used to have Oracle 11g display dates in a particular format If the report parameter is the date/time you do not need to convert from date to date . You could try select :date_parameter from dual and test . Or you want to convert to particular date format ,try to use to_date(to_char(:parameter ,'MM/DD/YYYY')) Hope it can help you. Best Regards, Eric Li
For example, the expression CURRENT_DATE - [datetime] will normally work, but if it is used in the field list, PeopleTools changes it to be CURRENT_DATE - TO_CHAR([datetime], 'YYYY-MM-DD'). This expression won't work. To get around this problem, wrap the field in a TO_DATE function when you create the expression. For example The date data type, basically, stores value in it's column in a default format, which is this : DD-MON-YY HH:MI:SS This data type, as evident, stores information of date as well as time. However, the format of only date in this data type is DD-M..