General MySQL Oracle SQL Server

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odbc_fetch_row() - Looping through Result Set Objects
How To Loop through Result Set Objects using odbc_fetch_row()? If the returning output of a query statement is captured in a result set object, you can use odbc_fetch_row() to loop through each row in the output. The tutorial PHP script below shows you how to list tables in the database: &lt;?ph... 2024-06-30, 1575🔥, 0💬

odbc_exec() - Executing SQL Statements
How To Execute a SQL Statement using odbc_exec()? Once you have created an ODBC connection object, you can use the odbc_exec() function to send a SQL statement to the SQL Server linked to the connection object for execution. Here is a simple PHP script that creates a new schema and a new table: &... 2024-06-30, 1561🔥, 0💬

odbc_prepare() - Creating Prepared Statements
How To Create Prepared Statements using odbc_prepare()? If you have a SQL statement that need to executed repeatedly many times with small changes, you can create a prepared statement object with parameters so it can be executed more efficiently. There are two functions you need to use prepare and e... 2024-06-03, 1726🔥, 0💬

SQL Server FAQs - PHP ODBC Functions - Managing Tables and Data Rows
A collection of 14 FAQs on using PHP ODBC functions to connect to manage tables and data rows. Clear explanations and tutorial exercises are provided on creating tables; inserting multiple data rows; updating and deleting data rows; searching data from multiple tables; looping through result sets; w... 2024-06-03, 1695🔥, 0💬

PHP ODBC - Creating a New Table
PHP ODBC - How To Create a New Table? If you want to create a table in the database connected through a ODBC DSN, you can run the CREATE TABLE SQL statement using the odbc_exec() function, as shown in the following sample script: &lt;?php $con = odbc_connect('FYI_SQL_SERVER', 'sa','FYIcenter');#... 2024-06-03, 1659🔥, 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, 1627🔥, 0💬

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, 1544🔥, 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, 1660🔥, 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, 1621🔥, 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, 1590🔥, 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, 1578🔥, 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, 1571🔥, 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, 840🔥, 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, 754🔥, 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, 741🔥, 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, 704🔥, 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, 667🔥, 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, 1711🔥, 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, 1711🔥, 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, 1636🔥, 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, 1622🔥, 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, 1559🔥, 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, 3317🔥, 1💬

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, 1667🔥, 0💬

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General MySQL Oracle SQL Server