What Are Oracle SQL Analytic Functions? Database Star. I noticed most, if not examples, of bitand functions add 0 to the result of a bitand operation. Would you mind helping me understand the reasons behind doing this, and out of curiosity, what happens if someone doesn't add a 0 to the bitand result?, Free Oracle Magazine Subscriptions and Oracle White Papers: Oracle Built-in Functions: Version 11.1 : Function Name. Analytic: Collection: Conver sion: Date Time.

### Built-in Functions in SQL

Oracle Built-in Functions Examples Syntax. Built on Aggregate Functions The LISTAGG analytic function was introduced in Oracle 11g Release 2, making it very easy to aggregate strings. The nice thing about this function is it also allows us to order the elements in the concatenated list. Example: SELECT deptno, LISTAGG(ename, ',') WITHIN GROUP (ORDER BY ename) AS employees FROM emp GROUP BY deptno; 18 Introduction to вЂ¦, The types of functions are aggregate, scalar, and table. A built-in function is classified as a aggregate function or a scalar function. A user-defined function can be a column, scalar, or table function. If a column mask is used to mask the column values in the final result table and a column mask is applied to a column that is an argument for a function, the result of the function might be.

I noticed most, if not examples, of bitand functions add 0 to the result of a bitand operation. Would you mind helping me understand the reasons behind doing this, and out of curiosity, what happens if someone doesn't add a 0 to the bitand result? Oracle SQL Functions list Oracle Tips by Burleson Consulting Oracle has many built-in functions and Oracle also allows you to define your own function and make it a part of your own SQL dialect.

For example, I've created a function with a wait to have a query that takes a few seconds to run. And a procedure that opens a refcursor calling this: And a procedure that opens a refcursor calling this: March 1, 2007 Next Information Systems 2 Oracle 10g analytical SQL for Business Intelligence Reporting AGENDA вЂў Windowing aggregate functions. вЂў Reporting aggregate functions.

SQL functions are built into Oracle and are available for use in various appropriate SQL statements. You can also create your own function using PL/SQL. The built-in functions in the Wolfram Language are integrated into the language and follow a single uniform design, rather than being in different libraries. Notes for Python programmers: The Wolfram Language follows a single consistent uniform design with completely integrated built-in functions, rather than loading functionality through disparate modules and libraries with differing designs

This Oracle tutorial explains how to create and drop functions in Oracle / PLSQL with syntax and examples. In Oracle, you can create your own functions. The syntax for a function is: In Oracle, you can create your own functions. вЂў Oracle has delivered on a multi-year strategy to transform the database from a data repository to an analytical database by bringing the "analytics" to the data (data mining, text mining, and

Version 2 was first released, for example, Oracle Corporation has added dynamic SQL, RDBMS-based job scheduling, file I/O, and cursor variables. PL/SQL is now a mature, advanced programming language packed with features and capabilities and one of the most significant enabling technologies in the Oracle universe of products. PL/SQL has also become a much more complicated and complex language Built on Aggregate Functions The LISTAGG analytic function was introduced in Oracle 11g Release 2, making it very easy to aggregate strings. The nice thing about this function is it also allows us to order the elements in the concatenated list. Example: SELECT deptno, LISTAGG(ename, ',') WITHIN GROUP (ORDER BY ename) AS employees FROM emp GROUP BY deptno; 18 Introduction to вЂ¦

Guides you in using analytic functions, the model clause, row pattern matching, and other powerful features in Oracle SQL Helps you find competitive advantage through built-in features that are commonly overlooked Assists you in choosing when to take a procedural approach in PL/SQL Provides examples March 1, 2007 Next Information Systems 2 Oracle 10g analytical SQL for Business Intelligence Reporting AGENDA вЂў Windowing aggregate functions. вЂў Reporting aggregate functions.

I noticed most, if not examples, of bitand functions add 0 to the result of a bitand operation. Would you mind helping me understand the reasons behind doing this, and out of curiosity, what happens if someone doesn't add a 0 to the bitand result? Introduction to Analytic Functions (Part 1) Analytic functions have been part of Oracle for a very long time now вЂ“ ever since 8i back in 1999. Analytic functions are an ANSI/ISO standard, and so youвЂ™ll find that they are similarly-implemented across a number of compliant databases.

### how to store the files(pdf ) in oracle 10g Oracle Community

Oracle SQL Functions oracle-dba-online.com. A built-in function is an expression in which an SQL keyword or special operator executes some operation. Built-in functions use keywords or special built-in operators. Built-ins are SQL92Identifiers and are case-insensitive. Note that escaped functions вЂ¦, 22/03/2011В В· Built In Function in Oracle. SQL Functions are of two types, they are. 1. Single Rows Functions : These functions will have effect on a single row of the table.

Oracle SQL Revealed Executing Business Logic in the. 22/03/2011В В· Built In Function in Oracle. SQL Functions are of two types, they are. 1. Single Rows Functions : These functions will have effect on a single row of the table, 22/03/2011В В· Built In Function in Oracle. SQL Functions are of two types, they are. 1. Single Rows Functions : These functions will have effect on a single row of the table.

### Example on Oracle Froms Built in Function Pl/Sql

Using Built-in Packages Oracle Built-in Packages [Book]. Subject: [oracle-dev-l] Oracle report in Excel format I have a custom report for Third Parties that I currently output in PDF format but the client also want an option to вЂ¦ Unit 1 - Chapter 2 Oracle Built in Functions There are two types of functions in Oracle. 1) Single Row Functions: Single row or Scalar functions return a value for every row that is.

Home В» Articles В» Misc В» Here Analytic Functions. Introduced in Oracle 8i, analytic functions, also known as windowing functions, allow developers to perform tasks in SQL that were previously confined to procedural languages. Introduction to Analytic Functions (Part 1) Analytic functions have been part of Oracle for a very long time now вЂ“ ever since 8i back in 1999. Analytic functions are an ANSI/ISO standard, and so youвЂ™ll find that they are similarly-implemented across a number of compliant databases.

Oracle Built in Functions. There are two types of functions in Oracle. 1) Single Row Functions: Single row or Scalar functions return a value for every row that is processed in a query. 2) Group Functions: These functions group the rows of data based on the values returned by the query. This is discussed in SQL GROUP Functions. The group functions are used to calculate aggregate values вЂ¦ I noticed most, if not examples, of bitand functions add 0 to the result of a bitand operation. Would you mind helping me understand the reasons behind doing this, and out of curiosity, what happens if someone doesn't add a 0 to the bitand result?

Free Oracle Magazine Subscriptions and Oracle White Papers: Oracle Built-in Functions: Version 11.1 : Function Name. Analytic: Collection: Conver sion: Date Time Control Flow Functions Built-In functions for assessing data to determine what results to return. Function and Operator Reference A complete list of MariaDB functions and operators in alphabetical order. Secondary Functions. Bit Functions and Operators Operators for comparison and setting of values, and related functions. Encryption, Hashing and Compression Functions Functions used for

PL/SQL вЂ”FUNCTIONS PL/SQL provides a built-in, interpreted and OS independent programming environment. PL/SQL can also directly be called from the command-line SQL*Plus interface. Direct call can also be made from external programming language calls to database. PL/SQL's general syntax is based on that of ADA and Pascal programming language. Apart from Oracle, PL/SQL is available in The types of functions are aggregate, scalar, and table. A built-in function is classified as a aggregate function or a scalar function. A user-defined function can be a column, scalar, or table function. If a column mask is used to mask the column values in the final result table and a column mask is applied to a column that is an argument for a function, the result of the function might be

If you not familiar with SQL functions, then I would recommend staring with the Introduction to SQL Server Built-In Functions. All the examples for this lesson are based on Microsoft SQL Server Management Studio and the AdventureWorks2012 database. 16/09/2016В В· Re: Upload pdf file in Oracle forms using by webutil Kalpataru Sep 16, 2016 5:06 AM ( in response to user11334489 ) Check your webutil.cfg file for this section transfer.database.enabled and transfer.appsrv.enabled must be true.

Inverse distribution function that assumes a continuous distribution model. It takes a percentile value and a sort specification, and returns an interpolated value that would fall into that percentile value with respect to the sort specification. Nulls are ignored in the calculation. SQL functions are built into Oracle and are available for use in various appropriate SQL statements. You can also create your own function using PL/SQL.

In this article, I explain what Oracle SQL analytic functions are, how they are different from other functions, and show you some examples. Analytic functions are functions that calculate an aggregate value based on a group of rows. Subject: [oracle-dev-l] Oracle report in Excel format I have a custom report for Third Parties that I currently output in PDF format but the client also want an option to вЂ¦

For example, I've created a function with a wait to have a query that takes a few seconds to run. And a procedure that opens a refcursor calling this: And a procedure that opens a refcursor calling this: Built-in analytical SQL constructs typically leverage existing SQL constructs, such as the aggregate functions SUM and AVG, to extend these well-understood keywords. Most developers and business users have a reasonable level of proficiency with SQL and can quickly adopt and

Oracle SQL and PL/SQL build-in functions: string/character (char, varchar2) functions, date and time functions. Home > Oracle > SQL Functions Contact. Oracle SQL Built-In Functions Character/String Functions. Function Description Example ; substr(src, p, l) Returns a ORACLE ANALYTIC FUNCTIONS WINDOWING CLAUSE Session 740 Dan Stober Tuesday, April 24, 2012 Session 740 Dan Stober Tuesday, April 24, 2012

## Oracle Analytical Functions mahawar.net

Oracle / PLSQL Functions Listed by Category. 28/08/2010В В· Forms 6i offer only the possibility to store images in the database via the Read_Image_File() built-in, but no function to read/write binary content from/to the database. Generally, the solution proposed is to put the file on the database server machine, then use the DBMS_LOB package to store it into the database., Subject: [oracle-dev-l] Oracle report in Excel format I have a custom report for Third Parties that I currently output in PDF format but the client also want an option to вЂ¦.

### Oracle Statistical Functions

Upload pdf file in Oracle forms using by webutil Oracle. Home В» Articles В» Misc В» Here Analytic Functions. Introduced in Oracle 8i, analytic functions, also known as windowing functions, allow developers to perform tasks in SQL that were previously confined to procedural languages., Built-in analytical SQL constructs typically leverage existing SQL constructs, such as the aggregate functions SUM and AVG, to extend these well-understood keywords. Most developers and business users have a reasonable level of proficiency with SQL and can quickly adopt and.

Oracle / PLSQL: Functions - Listed by Category For easy reference, we have provided a list of all Oracle/PLSQL functions. The list of Oracle/PLSQL functions is sorted into the type of function based on categories such as string/character, conversion, advanced, numeric/mathematical, and date/time. SQL functions are built into Oracle and are available for use in various appropriate SQL statements. You can also create your own function using PL/SQL.

Key Functions in Oracle SQL Page 1 of 6 DD004QR3 - Key Functions In Oracle SQL.Doc Rev 3, 10/1/99 4 - 1 Key Functions in Oracle SQL Use this Quick Reference Guide to locate functions you can use in your queries. There are five tables in this guide: Grouping Functions, Numeric Functions, String Functions, Date Functions, and Conversion Functions. Grouping functions may include вЂ¦ Introduction to Analytic Functions (Part 1) Analytic functions have been part of Oracle for a very long time now вЂ“ ever since 8i back in 1999. Analytic functions are an ANSI/ISO standard, and so youвЂ™ll find that they are similarly-implemented across a number of compliant databases.

Oracle Built in Functions. There are two types of functions in Oracle. 1) Single Row Functions: Single row or Scalar functions return a value for every row that is ORACLE SQL row Functions The following tables list the most commonly used Oracle built-in functions These functions can be used in either of the following:

Unit 1 - Chapter 2 Oracle Built in Functions There are two types of functions in Oracle. 1) Single Row Functions: Single row or Scalar functions return a value for every row that is DETERMINISTIC FunctionsВ¶ The DETERMINISTIC clause for functions is ideal for functions that do not have any non-deterministic components. This means that each time you provide the function with the same parameter values, the result is the same.

DETERMINISTIC FunctionsВ¶ The DETERMINISTIC clause for functions is ideal for functions that do not have any non-deterministic components. This means that each time you provide the function with the same parameter values, the result is the same. Besides the SQL utility functions, Oracle inbuilt function library contains type conversion functions. There may be scenarios where the query expects input in a specific data type, but it receives it in a different data type. In such cases, Oracle implicitly tries to convert the unexpected value to

SQL FUNCTIONS What Is a Function? A function is a programming unit returning a single value, allowing values to be passed in as parameters. The parameters can change the outcome or return the result of a function. The beauty of a function is that it is self-contained and can thus be embedded in an expression. By definition, in Oracle SQL an expression is a SQL code command or even another SYSDATE and GETDATE are built-in functions and can be used anywhere a date expression may be used. They can be used in a INSERT...SELECT projection list, a WHERE clause or to insert values. They cannot be used with a SUM or AVG aggregate (operands must be numeric) or with a COUNT aggregate (column names are expected).

Unit 1 - Chapter 2 Oracle Built in Functions There are two types of functions in Oracle. 1) Single Row Functions: Single row or Scalar functions return a value for every row that is Oracle Built in Functions. There are two types of functions in Oracle. 1) Single Row Functions: Single row or Scalar functions return a value for every row that is

A built-in function is an expression in which an SQL keyword or special operator executes some operation. Built-in functions use keywords or special built-in operators. Built-ins are SQL92Identifiers and are case-insensitive. Note that escaped functions вЂ¦ I noticed most, if not examples, of bitand functions add 0 to the result of a bitand operation. Would you mind helping me understand the reasons behind doing this, and out of curiosity, what happens if someone doesn't add a 0 to the bitand result?

Oracle Built in Functions. There are two types of functions in Oracle. 1) Single Row Functions: Single row or Scalar functions return a value for every row that is processed in a query. 2) Group Functions: These functions group the rows of data based on the values returned by the query. This is discussed in SQL GROUP Functions. The group functions are used to calculate aggregate values вЂ¦ SQL functions are built into Oracle and are available for use in various appropriate SQL statements. You can also create your own function using PL/SQL.

In this article, I explain what Oracle SQL analytic functions are, how they are different from other functions, and show you some examples. Analytic functions are functions that calculate an aggregate value based on a group of rows. Oracle Built in Functions. There are two types of functions in Oracle. 1) Single Row Functions: Single row or Scalar functions return a value for every row that is processed in a query. 2) Group Functions: These functions group the rows of data based on the values returned by the query. This is discussed in SQL GROUP Functions. The group functions are used to calculate aggregate values вЂ¦

Free Oracle Magazine Subscriptions and Oracle White Papers: Oracle Built-in Functions: Version 11.1 : Function Name. Analytic: Collection: Conver sion: Date Time SYSDATE and GETDATE are built-in functions and can be used anywhere a date expression may be used. They can be used in a INSERT...SELECT projection list, a WHERE clause or to insert values. They cannot be used with a SUM or AVG aggregate (operands must be numeric) or with a COUNT aggregate (column names are expected).

ORACLE ANALYTIC FUNCTIONS WINDOWING CLAUSE Session 740 Dan Stober Tuesday, April 24, 2012 Session 740 Dan Stober Tuesday, April 24, 2012 The purpose of the Oracle CAST function is to convert one data type to another. It allows for more functionality than the TO_NUMBER , TO_CHAR and TO_DATE functions, as it allows you to specify the actual data types you want to convert to, rather than just use the defaults of those functions.

A built-in function is an expression in which an SQL keyword or special operator executes some operation. Built-in functions use keywords or special built-in operators. Built-ins are SQL92Identifiers and are case-insensitive. Note that escaped functions вЂ¦ I have been looking to explore the analytic functions and this article with examples is just a great startup. I won't amaze to Google your name to find something rare gems about Oracle. I won't amaze to Google your name to find something rare gems about Oracle.

For example you want to see what was the day on 15-aug-1947. The use the to_date function to first convert the string into date value and then pass on this value to to_char function to extract day. The use the to_date function to first convert the string into date value and then pass on this value to to_char function to extract day. Unit 1 - Chapter 2 Oracle Built in Functions There are two types of functions in Oracle. 1) Single Row Functions: Single row or Scalar functions return a value for every row that is

Control Flow Functions Built-In functions for assessing data to determine what results to return. Function and Operator Reference A complete list of MariaDB functions and operators in alphabetical order. Secondary Functions. Bit Functions and Operators Operators for comparison and setting of values, and related functions. Encryption, Hashing and Compression Functions Functions used for Example: Search smith, will return results smith and adamsmith You can use: Boolean operators AND, OR and NOT (must be in caps, e.g. oracle AND debugger, debugger NOT oracle)

March 1, 2007 Next Information Systems 2 Oracle 10g analytical SQL for Business Intelligence Reporting AGENDA вЂў Windowing aggregate functions. вЂў Reporting aggregate functions. 16/01/2012В В· Lewis Cunningham talks about Built-in Functions in this PLSQL tutorial. YouTube: Introduction to PL/SQL functions in Oracle Database - Duration: 5:10. вЂ¦

### Oracle Statistical Functions

RefCursors Vs Pipelined Functions (11g) Oracle Ask TOM. Install the built-in package into the database. In most cases, this will be done for you automatically. However, some packages, such as UTL_RAW, are not automatically installed or made publicly accessible, at least in the most recent version of Oracle as this book went to press., I noticed most, if not examples, of bitand functions add 0 to the result of a bitand operation. Would you mind helping me understand the reasons behind doing this, and out of curiosity, what happens if someone doesn't add a 0 to the bitand result?.

SQL FUNCTIONS What Is a Function? BaЕџkent Гњniversitesi. Oracle SQL and PL/SQL build-in functions: string/character (char, varchar2) functions, date and time functions. Home > Oracle > SQL Functions Contact. Oracle SQL Built-In Functions Character/String Functions. Function Description Example ; substr(src, p, l) Returns a, To understand how Analytical Functions are used in SQL statements, you really have to look at the four different parts of an Analytical вЂclauseвЂ™: the analytical function, for example AVG, LEAD, PERCENTILE_RANK the partitioning clause, for example PARTITION BY job or PARTITION BY dept, job the order by clause, for example order by job.

### Oracle Statistical Functions

Oracle CAST Function Explained with Examples. The types of functions are aggregate, scalar, and table. A built-in function is classified as a aggregate function or a scalar function. A user-defined function can be a column, scalar, or table function. If a column mask is used to mask the column values in the final result table and a column mask is applied to a column that is an argument for a function, the result of the function might be Overview. Included in every Oracle Database is a collection of basic statistical functions accessible via SQL. These include descriptive statistics, hypothesis testing, correlations analysis, test for distribution fits, cross tabs with Chi-square statistics, and analysis of variance (ANOVA)..

ORACLE ANALYTIC FUNCTIONS WINDOWING CLAUSE Session 740 Dan Stober Tuesday, April 24, 2012 Session 740 Dan Stober Tuesday, April 24, 2012 I noticed most, if not examples, of bitand functions add 0 to the result of a bitand operation. Would you mind helping me understand the reasons behind doing this, and out of curiosity, what happens if someone doesn't add a 0 to the bitand result?

Subject: [oracle-dev-l] Oracle report in Excel format I have a custom report for Third Parties that I currently output in PDF format but the client also want an option to вЂ¦ The types of functions are aggregate, scalar, and table. A built-in function is classified as a aggregate function or a scalar function. A user-defined function can be a column, scalar, or table function. If a column mask is used to mask the column values in the final result table and a column mask is applied to a column that is an argument for a function, the result of the function might be

March 1, 2007 Next Information Systems 2 Oracle 10g analytical SQL for Business Intelligence Reporting AGENDA вЂў Windowing aggregate functions. вЂў Reporting aggregate functions. 22/03/2011В В· Built In Function in Oracle. SQL Functions are of two types, they are. 1. Single Rows Functions : These functions will have effect on a single row of the table

Version 2 was first released, for example, Oracle Corporation has added dynamic SQL, RDBMS-based job scheduling, file I/O, and cursor variables. PL/SQL is now a mature, advanced programming language packed with features and capabilities and one of the most significant enabling technologies in the Oracle universe of products. PL/SQL has also become a much more complicated and complex language 16/09/2016В В· Re: Upload pdf file in Oracle forms using by webutil Kalpataru Sep 16, 2016 5:06 AM ( in response to user11334489 ) Check your webutil.cfg file for this section transfer.database.enabled and transfer.appsrv.enabled must be true.

SQL functions are built into Oracle and are available for use in various appropriate SQL statements. You can also create your own function using PL/SQL. SQL FUNCTIONS What Is a Function? A function is a programming unit returning a single value, allowing values to be passed in as parameters. The parameters can change the outcome or return the result of a function. The beauty of a function is that it is self-contained and can thus be embedded in an expression. By definition, in Oracle SQL an expression is a SQL code command or even another

Oracle SQL Functions list Oracle Tips by Burleson Consulting Oracle has many built-in functions and Oracle also allows you to define your own function and make it a part of your own SQL dialect. Overview. Included in every Oracle Database is a collection of basic statistical functions accessible via SQL. These include descriptive statistics, hypothesis testing, correlations analysis, test for distribution fits, cross tabs with Chi-square statistics, and analysis of variance (ANOVA).

Built on Aggregate Functions The LISTAGG analytic function was introduced in Oracle 11g Release 2, making it very easy to aggregate strings. The nice thing about this function is it also allows us to order the elements in the concatenated list. Example: SELECT deptno, LISTAGG(ename, ',') WITHIN GROUP (ORDER BY ename) AS employees FROM emp GROUP BY deptno; 18 Introduction to вЂ¦ SYSDATE and GETDATE are built-in functions and can be used anywhere a date expression may be used. They can be used in a INSERT...SELECT projection list, a WHERE clause or to insert values. They cannot be used with a SUM or AVG aggregate (operands must be numeric) or with a COUNT aggregate (column names are expected).

Home В» Articles В» Misc В» Here Analytic Functions. Introduced in Oracle 8i, analytic functions, also known as windowing functions, allow developers to perform tasks in SQL that were previously confined to procedural languages. SQL functions are built into Oracle Database and are available for use in various appropriate SQL statements. Do not confuse SQL functions with user-defined functions written in PL/SQL. Do not confuse SQL functions with user-defined functions written in PL/SQL.

16/01/2012В В· Lewis Cunningham talks about Built-in Functions in this PLSQL tutorial. YouTube: Introduction to PL/SQL functions in Oracle Database - Duration: 5:10. вЂ¦ Oracle Built in Functions. There are two types of functions in Oracle. 1) Single Row Functions: Single row or Scalar functions return a value for every row that is processed in a query. 2) Group Functions: These functions group the rows of data based on the values returned by the query. This is discussed in SQL GROUP Functions. The group functions are used to calculate aggregate values вЂ¦

DETERMINISTIC FunctionsВ¶ The DETERMINISTIC clause for functions is ideal for functions that do not have any non-deterministic components. This means that each time you provide the function with the same parameter values, the result is the same. DETERMINISTIC FunctionsВ¶ The DETERMINISTIC clause for functions is ideal for functions that do not have any non-deterministic components. This means that each time you provide the function with the same parameter values, the result is the same.

Oracle Built in Functions. There are two types of functions in Oracle. 1) Single Row Functions: Single row or Scalar functions return a value for every row that is processed in a query. 2) Group Functions: These functions group the rows of data based on the values returned by the query. This is discussed in SQL GROUP Functions. The group functions are used to calculate aggregate values вЂ¦ SQL FUNCTIONS What Is a Function? A function is a programming unit returning a single value, allowing values to be passed in as parameters. The parameters can change the outcome or return the result of a function. The beauty of a function is that it is self-contained and can thus be embedded in an expression. By definition, in Oracle SQL an expression is a SQL code command or even another

SYSDATE and GETDATE are built-in functions and can be used anywhere a date expression may be used. They can be used in a INSERT...SELECT projection list, a WHERE clause or to insert values. They cannot be used with a SUM or AVG aggregate (operands must be numeric) or with a COUNT aggregate (column names are expected). Built-in analytical SQL constructs typically leverage existing SQL constructs, such as the aggregate functions SUM and AVG, to extend these well-understood keywords. Most developers and business users have a reasonable level of proficiency with SQL and can quickly adopt and

Oracle SQL Functions list Oracle Tips by Burleson Consulting Oracle has many built-in functions and Oracle also allows you to define your own function and make it a part of your own SQL dialect. This Oracle tutorial explains how to create and drop functions in Oracle / PLSQL with syntax and examples. In Oracle, you can create your own functions. The syntax for a function is: In Oracle, you can create your own functions.

The types of functions are aggregate, scalar, and table. A built-in function is classified as a aggregate function or a scalar function. A user-defined function can be a column, scalar, or table function. If a column mask is used to mask the column values in the final result table and a column mask is applied to a column that is an argument for a function, the result of the function might be Besides the SQL utility functions, Oracle inbuilt function library contains type conversion functions. There may be scenarios where the query expects input in a specific data type, but it receives it in a different data type. In such cases, Oracle implicitly tries to convert the unexpected value to

SYSDATE and GETDATE are built-in functions and can be used anywhere a date expression may be used. They can be used in a INSERT...SELECT projection list, a WHERE clause or to insert values. They cannot be used with a SUM or AVG aggregate (operands must be numeric) or with a COUNT aggregate (column names are expected). For example you want to see what was the day on 15-aug-1947. The use the to_date function to first convert the string into date value and then pass on this value to to_char function to extract day. The use the to_date function to first convert the string into date value and then pass on this value to to_char function to extract day.