General MySQL Oracle SQL Server

<< < … 48 49 50 51 52 53 54 55 > >>   ∑:1313  Sort:Date

PHP MSSQL - mssql_fetch_array() - Looping through Returning Rows
PHP MSSQL - 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 mssql_query() function, catch the returning object as a result set, and loop through the result with mssql_fetch_array() function in a while loop as show... 2024-02-28, 1359🔥, 0💬

Defining the Name and Server for a new DSN
How To Define the Name and Server for a new DSN? Continuing from the previous tutorial, on the first screen of the "Create a New Data Source to SQL Server" wizard, you should enter 3 fields: Name, Description, and Server as suggested below: Name: FYI_SQL_SERVER Description: FYIcenter.com SQL Server ... 2024-08-06, 1358🔥, 0💬

PHP MSSQL - Inserting Data with NULL Values
PHP MSSQL - How To Insert Data with NULL Values? There are two ways to provide NULL value to a column in an INSERT statement: Include the column in the statement, but specify keyword NULL as the value. Exclude the column from the statement. The following tutorial exercise inserts two rows. Both of t... 2024-02-28, 1358🔥, 0💬

Verifying the Port Number of the SQL Server
How To Verify the Port Number of the SQL Server? When applications use TCP/IP for network communication, you need to know the port number where the server is listening for connect request from the client. If you want to connect to the SQL Server through the TCP/IP, you must know on which port number... 2024-07-25, 1357🔥, 0💬

CURRENT_ROLE() - Current Role of Logged-In User
How to obtain the current role of the logged-in user using the CURRENT_ROLE() function? CURRENT_ROLE() is a MySQL built-in function that returns the current role of the logged-in user. For example: SELECT CURRENT_ROLE(); -- +----------------+ -- | CURRENT_ROLE() | -- +----------------+ -- | NONE | -... 2024-07-15, 1356🔥, 0💬

Configuring ODBC DSN with Different Port Numbers
How To Configure ODBC DSN with Different Port Numbers? If your SQL Server is not using the default port number, like 1269, you need to set the port number to the correct value during the ODBC DSN creation process, as show in this tutorial: 1. Start ODBC Data Source Administrator and click System DSN... 2024-07-25, 1355🔥, 0💬

SQL Server Connection Protocols
What connection protocols are supported by SQL Server? SQL Server supports the following connection protocols: 1. TCP/IP (Transmission Control Protocol/Internet Protocol) - This is the most commonly used protocols to connect to SQL Server databases. It allow client tools or application programs on a... 2024-08-14, 1353🔥, 0💬

odbc_result() - Retrieve Field Values
How To Retrieve Field Values using odbc_result()? After calling odbc_fetch_row(), the field values of the fetched row are available in the result set object. You can use odbc_result() to retrieve the value of any given field with two syntax formats: $value = odbc_result($field_name); #- Retrieving v... 2024-07-11, 1351🔥, 0💬

"ALTER TRIGGER" - Modifying Existing Triggers in SQL Server
How To Modify Existing Triggers using "ALTER TRIGGER" in SQL Server? If you want to make changes to an existing trigger, you could use the "ALTER TRIGGER" statements to refine the trigger again. The tutorial exercise below shows you how to modify the trigger defined in a previous tutorial: USE FyiCe... 2016-10-24, 1350🔥, 0💬

Providing Login Information for a New ODBC DSN
How To Provide Login Information for a New ODBC DSN? Continue from the previous tutorial. After clicking Next on the first screen of the "Create a New Data Source to SQL Server" wizard, you should see the second screen asking you to select SQL Server login type, login name and password. Select the r... 2024-08-06, 1348🔥, 0💬

PHP MSSQL - Making Columns to Take NULL
PHP MSSQL - How To Make a Column Nullable? Based on the testing result from the previous tutorial you can find out that there is a big difference in the column definition when running CREATE TABLE statement with mssql_query(): If CREATE TABLE is executed through mssql_query() and "NULL/NOT NULL" key... 2024-03-07, 1346🔥, 0💬

"DROP TRIGGER" - Deleting Existing Triggers in SQL Server
How To Delete Existing Triggers using "DROP TRIGGER" in SQL Server? If you don't want to use a trigger any more, you should delete it from the database by using the "DROP TRIGGER" statement as shown in tutorial example: USE FyiCenterData; GO DROP TRIGGER new_user; GO SELECT * FROM sys.triggers GO na... 2016-10-24, 1342🔥, 0💬

odbc_tables() - Listing All Tables in the Database
How To List All Tables in the Database using odbc_tables()? If you want to get a list of all tables in the database, you can use the odbc_tables() function, which can actually be used to list all tables and views in the database. The syntax of odbc_tables() is: $result_set = odbc_tables($connection_... 2024-07-11, 1340🔥, 0💬

SQL Server Connection Concepts
Where to find answers to frequently asked questions on SQL Server Connection Concepts? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on SQL Server Connectivity Concepts. SQL Server Connection Protocols SQL Server TCP/IP Connection Info   ⇒ SQL Serv... 2024-08-14, 1336🔥, 0💬

What Is a Subquery in a SELECT Query Statement in SQL Server
What Is a Subquery in a SELECT Query Statement in SQL Server? A subquery is a SELECT statement used as part of the selection criteria of the main SELECT statement. The subquery specified in the WHERE clause will be evaluated repeated on each row of the selection base table. The output of the subquer... 2016-10-29, 1255🔥, 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, 548🔥, 0💬

JSON_QUOTE() - Quoting JSON String
How to convert a regular character string into a JSON (JavaScript Object Notation) string using the JSON_QUOTE() function? JSON_QUOTE(str) is a MySQL built-in function that converts a regular character string into a JSON string by quoting the string with double quotes. It replaces the double-quote c... 2023-12-10, 546🔥, 0💬

NTILE() - Dividing Window into N Tiles
How to divid result set window into N tiles and return the tile position using the NTILE() function? NTILE(n) is a MySQL built-in window function that divides result set window into n tiles and returns the tile position of the current row. For example: SELECT help_topic_id AS tip, help_category_id A... 2024-09-12, 528🔥, 0💬

GET_LOCK() - Requesting User Defined Lock
How to request a user defined lock using the GET_LOCK() function? GET_LOCK(lock, timeout) is a MySQL built-in function that tries to obtain a user defined lock within a timeout period. It returns 1 if successful, 0 if failed. For example: SELECT GET_LOCK('MyLock', 60), IS_FREE_LOCK('MyLock'), IS_USE... 2023-12-20, 523🔥, 0💬

MAKE_SET() - Filtering List with Binary Set
How to filter a list of strings with a binary set provided as an integer using the MAKE_SET() function? MAKE_SET(bits, str1, str2, ...) is a MySQL built-in function that filters a list of strings with a binary set provided as an integer. It loops through every bit of the given integer "bits" startin... 2023-12-20, 520🔥, 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, 509🔥, 0💬

MySQL Functions on Character String Values
Where to find reference information and tutorials on MySQL database functions on string values? I want to know how to use SUBSTRING(), REPLACE() and other character string related functions. Here is a collection of reference information and tutorials on MySQL database functions on string values comp... 2023-11-10, 492🔥, 0💬

IS_UUID() - Validating UUID String Format
How to validate a UUID (Universal Unique IDentifier) string using the IS_UUID() function? IS_UUID(uuid) is a MySQL built-in function that validates a UUID (Universal Unique IDentifier) string. It only checks if the given UUID is a 32-digit hexadecimal string or not. For example: SELECT IS_UUID('447f... 2023-12-08, 480🔥, 0💬

LEAST() - Finding the Least/Minimum Value
How to find the least (minimum) value of a given list of values using the LEAST() function? LEAST(val1, val2, ...) is a MySQL built-in function that returns the least (minimum) value of a given list of values. For example: SELECT LEAST(70, 89, 73, 99, 101, 110, 116, 101, 114); -- +------------------... 2023-12-19, 478🔥, 0💬

<< < … 48 49 50 51 52 53 54 55 > >>   ∑:1313  Sort:Date

General MySQL Oracle SQL Server