General MySQL Oracle SQL Server

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odbc_columns() - Listing All Columns in a Table
How To List All Columns in a Table using odbc_columns()? If you want to get a list of all columns in a table, you can use the odbc_columns() function, which can actually be used to list all columns in all tables and views in the database. The syntax of odbc_columns() is: $result_set = odbc_columns($... 2024-06-03, 2275🔥, 0💬

PHP ODBC - Inserting Data into an Existing Table
PHP ODBC - How To Insert Data into an Existing Table? If you want to insert a row of data into an existing table, you can use the INSERT INTO statement as shown in the following sample script: &lt;?php $con = odbc_connect('FYI_SQL_SERVER', 'sa','FYIcenter');$sql = "INSERT INTO fyi_links (id, url... 2024-06-03, 2260🔥, 0💬

PHP ODBC - odbc_fetch_array() - Looping through Returning Rows
PHP ODBC - How To Loop through Returning Rows? The best way to query tables and loop through returning rows is to run a SELECT statement with the odbc_exec() function, catch the returning object as a result set, and loop through the result with odbc_fetch_array() function in a while loop as shown in... 2024-05-29, 2506🔥, 0💬

PHP ODBC - Updating Existing Rows in a Table
PHP ODBC - How To Update Existing Rows in a Table? Updating existing rows in a table requires to run the UPDATE statement with a WHERE clause to identify the row. The following sample script updates one row with two new values: &lt;?php $con = odbc_connect('FYI_SQL_SERVER', 'sa','FYIcenter');$sq... 2024-05-29, 2388🔥, 0💬

PHP ODBC - odbc_num_rows() - Number of Affected Rows
PHP ODBC - How To Get the Number of Affected Rows? If you insert multiple rows with a single INSERT statement, you can use the odbc_num_rows() function to find out how many rows were inserted. odbc_num_rows($result_set) returns the number of affected rows based on the result set object returned by t... 2024-05-29, 2265🔥, 0💬

PHP ODBC - Inserting Multiple Rows with a Subquery
PHP ODBC - How To Insert Multiple Rows with a subquery? If want to insert rows into a table based on data rows from other tables, you can use a subquery inside the INSERT statement as shown in the following script example: &lt;?php $con = odbc_connect('FYI_SQL_SERVER', 'sa','FYIcenter');$sql = "... 2024-05-29, 2221🔥, 0💬

PHP ODBC - Returning Result Set Objects
PHP ODBC - What Is a Result Set Object Returned by odbc_exec()? A result set object is a logical representation of data rows returned by odbc_exec() function on SELECT statements. Every result set object has an internal pointer used to identify the current row in the result set. Once you get a resul... 2024-05-29, 2219🔥, 0💬

MySQL Functions on Result Set Windows
Where to find reference information and tutorials on MySQL database functions on Result Set Windows? I want to know how to use FIRST_VALUE(), ROW_NUMBER() and other window functions. Here is a collection of reference information and tutorials on MySQL database functions on Result Set Windows compile... 2024-05-15, 1608🔥, 0💬

Window Functions
What Are Window Functions? A Window Function is a function that can perform calculations over a window of rows referenced from the current row in query result. A window function is called with a OVER clause in the following syntax: window_function(...) OVER window where window is one of the followin... 2024-05-15, 1600🔥, 0💬

Removed: PASSWORD() - Generating Password Hash
How to convert a password into a hash value with the default hashing algorithm using the PASSWORD() function? PASSWORD(password) is a MySQL built-in function that converts a password into a hash value with the default hashing algorithm. Note that PASSWORD() is no longer supported. It was: Introduced... 2024-05-15, 1517🔥, 0💬

Removed: ENCRYPT() - Unix crypt() Hash Algorithm
How to generate a hash value with the Unix crypt() algorithm using the ENCRYPT() function? ENCRYPT(bytes) is a MySQL built-in function that generates a hash value with the Unix crypt() algorithm. Note that ENCRYPT() is no longer supported. It was: Introduced MySQL 4.0. Removed in MySQL 8.0. Related ... 2024-05-15, 1504🔥, 0💬

CUME_DIST() - Cumulative Distribution of Sorted Values
How to calculate the cumulative distribution of the sorting field expression in the current result set window using the CUME_DIST() function? CUME_DIST() is a MySQL built-in window function that calculates the cumulative distribution of the sorting field expression in the current result set window. ... 2024-05-15, 1459🔥, 0💬

PHP ODBC - Including Date and Time Values in SQL Statements
PHP ODBC - How To Include Date and Time Values in SQL Statements? If you want to provide date and time values in a SQL statement, you should write them in the format of "yyyy-mm-dd hh:mm:ss", and quoted with single quotes ('). The tutorial exercise below shows you two INSERT statements. The first on... 2024-05-05, 2548🔥, 0💬

PHP ODBC - Deleting Existing Rows in a Table
PHP ODBC - How To Delete Existing Rows in a Table? If you want to remove a row from a table, you can use the DELETE statement with a WHERE clause to identify the row. The following sample script deletes one row: &lt;?php $con = odbc_connect('FYI_SQL_SERVER', 'sa','FYIcenter');$sql = "DELETE FROM... 2024-05-05, 2383🔥, 0💬

PHP ODBC - Including Text Values in SQL Statements
PHP ODBC - How To Include Text Values in SQL Statements? Text values in SQL statements should be quoted with single quotes ('). If the text value contains a single quote ('), it should be protected by replacing it with two single quotes (''). In SQL language syntax, two single quotes represents one ... 2024-05-05, 2343🔥, 0💬

PHP ODBC - Computing Date and Time Differences
PHP ODBC - How To Display a Past Time in Days, Hours and Minutes? You have seen a lots of Websites are displaying past times in days, hours and minutes. If you want to do this yourself, you can use the DATEDIFF() SQL function The following tutorial exercise shows you how to use DATEDIFF() to present... 2024-05-05, 2231🔥, 0💬

PHP ODBC - Searching Records by Keywords
PHP ODBC - How To Perform Key Word Search in Tables? The simplest way to perform key word search is to use the SELECT statement with a LIKE operator in the WHERE clause. The LIKE operator allows you to match a text field with a keyword pattern specified as '%keyword%', where (%) represents any numbe... 2024-05-05, 2115🔥, 0💬

Install Oracle Database 10g XE in Oracle
How To Install Oracle Database 10g XE in Oracle? To install 10g universal edition, double click, OracleXEUniv.exe, the install wizard starts. It will guide you to finish the installation process. You should take notes about: The SYSTEM password you selected: fyicenter. Database server port: 1521. Da... 2024-05-01, 4781🔥, 1💬

Downloading and Installing PHP on Windows
How To Download and Install PHP on Windows? PHP is one of the most popular languages to develop dynamic Web pages. It supports all major database servers, including: MySQL, MS SQL Server, Oracle, mSQL, Sybase, etc. If you are developing a Web application that uses PHP and needs to access MS SQL Serv... 2024-04-29, 2699🔥, 0💬

Requirements for Connecting PHP to MS SQL Server
What Do You Need to Connect PHP to SQL Server? If you want to access MS SQL Server in your PHP script, you need to make sure that: 1. MSSQL API module (extension) is installed and turned on in your PHP engine. If you installed the Windows binary version of PHP 5.2.3, MSSQL API module is included but... 2024-04-29, 2381🔥, 0💬

SQL Server FAQs - PHP MSSQL Functions - Connections and Query Execution
A collection of 18 FAQs on connecting to MS SQL Server with PHP scripts. Clear explanations and tutorial exercises are provided on SQL Server connection; providing port number; selecting database; running SQL statements; checking execution errors; looping through query result; looping through result... 2024-04-29, 2349🔥, 0💬

Checking Your PHP Installation
How To Check Your PHP Installation? 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 "\php\php -v" command to check the Command Line Inter... 2024-04-29, 2315🔥, 0💬

PHP ODBC - Creating an Identity Column
PHP ODBC - How To Create an Identity Column? Many tables require an ID column to assign a unique ID number for each row in the table. For example, if you have a table to hold forum member profiles, you need an ID number to identify each member. To allow SQL Server to automatically assign a new ID nu... 2024-04-29, 2257🔥, 0💬

ntwdblib.dll - SQL Server Client Library DLL
What Is Wrong with SQL Server Client Library DLL, ntwdblib.dll? The second requirement to access SQL Server with PHP scripts is the SQL Server Client Library DLL, ntwdblib.dll. The good news is that the Windows binary version of PHP 5.2.3 has ntwdblib.dll included in the PHP home directory. But the ... 2024-04-14, 2417🔥, 0💬

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General MySQL Oracle SQL Server