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What Is a Dynamic Performance View
What Is a Dynamic Performance View? - Oracle DBA FAQ - Oracle Basic Concepts Oracle contains a set of underlying views that are maintained by the database server and accessible to the database administrator user SYS. These views are called dynamic performance views because they are continuously upda... 2007-04-22, 4877👍, 0💬

How To Remove White Spaces from the Beginning and/or the End of a String
How To Remove White Spaces from the Beginning and/or the End of a String? - PHP Script Tips - PHP Built-in Functions for Strings There are 4 PHP functions you can use remove white space characters from the beginning and/or the end of a string: trim() - Remove white space characters from the beginnin... 2007-04-22, 5699👍, 0💬

How To Get the Number of Characters in a String
How To Get the Number of Characters in a String? - PHP Script Tips - PHP Built-in Functions for Strings You can use the "strlen()" function to get the number of characters in a string. Here is a PHP script example of strlen(): &lt;?php print(strlen('It\'s Friday!')); ?&gt; This script will p... 2007-04-22, 5045👍, 0💬

How To Drop an Existing View
How To Drop an Existing View? - Oracle DBA FAQ - Understanding SQL DDL Statements If you have an existing view, and you don't want it anymore, you can delete it by using the DROP VIEW statement as shown in the following script: DROP VIEW employee_department; View dropped. 2007-04-22, 4734👍, 0💬

What Are DML Statements
What Are DML Statements? - Oracle DBA FAQ - Understanding SQL DML Statements DML (Data Manipulation Language) statements are statements to change data values in database tables. The are 3 primary DML statements: INSERT - Inserting new rows into database tables. UPDATE - Updating existing rows in dat... 2007-04-22, 5174👍, 0💬

How To Check Your PHP Installation
How To Check Your PHP Installation? - PHP Script Tips - Downloading and Installing PHP PHP provides two execution interfaces: Command Line Interface (CLI) and Common Gateway Interface (CGI). If PHP is installed in the \php directory on your system, you can try this to check your installation: Run "\... 2007-04-22, 5260👍, 0💬

How To Download and Install PHP for Windows
How To Download and Install PHP for Windows? - PHP Script Tips - Downloading and Installing PHP The best way to download and install PHP on Windows systems is to: Go to http://www.php.net, which is the official Web site for PHP. Download PHP binary version for Windows in ZIP format. Unzip the downlo... 2007-04-22, 4977👍, 0💬

What Is a Static Data Dictionary
What Is a Static Data Dictionary? - Oracle DBA FAQ - Oracle Basic Concepts Data dictionary tables are not directly accessible, but you can access information in them through data dictionary views. To list the data dictionary views available to you, query the view DICTIONARY. Many data dictionary tab... 2007-04-22, 4881👍, 0💬

What Is an Oracle Data File
What Is an Oracle Data File? - Oracle DBA FAQ - Oracle Basic Concepts An Oracle data file is a big unit of physical storage in the OS file system. One or many Oracle data files are organized together to provide physical storage to a single Oracle tablespace. 2007-04-22, 4681👍, 0💬

How To Remove the New Line Character from the End of a Text Line
How To Remove the New Line Character from the End of a Text Line? - PHP Script Tips - PHP Built-in Functions for Strings If you are using fgets() to read a line from a text file, you may want to use the chop() function to remove the new line character from the end of the line as shown in this PHP sc... 2007-04-22, 5177👍, 0💬

How To Remove Leading and Trailing Spaces from User Input Values
How To Remove Leading and Trailing Spaces from User Input Values? - PHP Script Tips - PHP Built-in Functions for Strings If you are taking input values from users with a Web form, users may enter extra spaces at the beginning and/or the end of the input values. You should always use the trim() funct... 2007-04-22, 5306👍, 0💬

How To Set Up SQL*Plus Output Format
How To Set Up SQL*Plus Output Format? - Oracle DBA FAQ - Understanding SQL DML Statements If you want to practice SQL statements with SQL*Plus, you need to set up your SQL*Plus output formatting parameter properly. The following SQL*Plus commands shows you some examples: COLUMN id FORMAT 9999; COLUM... 2007-04-22, 5287👍, 0💬

How To Create a Testing Table
How To Create a Testing Table? - Oracle DBA FAQ - Understanding SQL DML Statements If you want to practice DML statements, you should create a testing table as shown in the script below: CREATE TABLE fyi_links (id NUMBER(4) PRIMARY KEY, url VARCHAR2(80) NOT NULL, notes VARCHAR2(1024), counts NUMBER,... 2007-04-22, 5010👍, 0💬

How To Get the Minimum or Maximum Value of an Array
How To Get the Minimum or Maximum Value of an Array? - PHP Script Tips - PHP Built-in Functions for Arrays If you want to get the minimum or maximum value of an array, you can use the min() or max() function. Here is a PHP script on how to use min() and max(): &lt;?php $array = array(5, 7, 6, 2,... 2007-04-22, 7750👍, 0💬

How To Split a String into an Array of Substring
How To Split a String into an Array of Substring? - PHP Script Tips - PHP Built-in Functions for Arrays There are two functions you can use to split a string into an Array of Substring: explode(substring, string) - Splitting a string based on a substring. Faster than split(). split(pattern, string) ... 2007-04-22, 5520👍, 0💬

What Is a Table Index
What Is a Table Index? - Oracle DBA FAQ - Oracle Basic Concepts Index is an optional structure associated with a table that allow SQL statements to execute more quickly against a table. Just as the index in this manual helps you locate information faster than if there were no index, an Oracle Databa... 2007-04-22, 4862👍, 0💬

How To Join Multiple Strings Stored in an Array into a Single String
How To Join Multiple Strings Stored in an Array into a Single String? - PHP Script Tips - PHP Built-in Functions for Arrays If you multiple strings stored in an array, you can join them together into a single string with a given delimiter by using the implode() function. Here is a PHP script on how ... 2007-04-21, 5513👍, 0💬

What is a Database Schema
What is a Database Schema? - Oracle DBA FAQ - Oracle Basic Concepts A schema is a collection of logical structures of data, or schema objects. A schema is owned by a database user and has the same name as that user. Each user owns a single schema. Schema objects can be created and manipulated with S... 2007-04-21, 5118👍, 0💬

What Is a Database Table
What Is a Database Table? - Oracle DBA FAQ - Oracle Basic Concepts A database table is a basic unit of data logical storage in an Oracle database. Data is stored in rows and columns. You define a table with a table name, such as employees, and a set of columns. You give each column a column name, su... 2007-04-21, 4930👍, 0💬

What Is the Best Way to Test the strpos() Return Value
What Is the Best Way to Test the strpos() Return Value? - PHP Script Tips - PHP Built-in Functions for Strings Because strpos() could two types of values, Integer and Boolean, you need to be careful about testing the return value. The best way is to use the "Identical(===)" operator. Do not use the ... 2007-04-21, 5323👍, 0💬

How To Insert a New Row into a Table
How To Insert a New Row into a Table? - Oracle DBA FAQ - Understanding SQL DML Statements To insert a new row into a table, you should use the INSERT INTO statement with values specified for all columns as shown in the following example: INSERT INTO fyi_links VALUES (101, 'http://dev.fyicenter.com',... 2007-04-21, 4958👍, 0💬

How to Find a Substring from a Given String
How to Find a Substring from a Given String? - PHP Script Tips - PHP Built-in Functions for Strings To find a substring in a given string, you can use the strpos() function. If you call strpos($haystack, $needle), it will try to find the position of the first occurrence of the $needle string in the ... 2007-04-21, 5608👍, 0💬

How To Specify Default Values in INSERT Statement
How To Specify Default Values in INSERT Statement? - Oracle DBA FAQ - Understanding SQL DML Statements If a column is defined with a default value in a table, you can use the key word DEFAULT in the INSERT statement to take the default value for that column. The following tutorial exercise gives a g... 2007-04-21, 5219👍, 0💬

How To Truncate an Array
How To Truncate an Array? - PHP Script Tips - PHP Built-in Functions for Arrays If you want to remove a chunk of values from an array, you can use the array_splice($array, $offset, $length) function. $offset defines the starting position of the chunk to be removed. If $offset is positive, it is coun... 2007-04-21, 8365👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML