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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, 2732🔥, 0💬

Commonly Used MSSQL Functions in PHP
What Are Commonly Used MSSQL Functions in PHP? If you look at the PHP 5 manual, you will see a group of functions listed under the Microsoft SQL Server Functions section. The commonly used functions are: mssql_connect � Open MS SQL server connection mssql_close � Close MS SQL Server connection mssql...
2024-04-07, 2726🔥, 0💬

List of Data Types in SQL Server Transact-SQL
How many data types supported in SQL Server Transact-SQL? I want a list of all data types. Here is a list of all Transact-SQL data types divided into 6 categories: 1. Exact Number - Used to hold numeric values truncated to a specific precision and scale. BIGINT - Used to hold big integers. INT (or I...
2017-04-22, 2726🔥, 0💬

Approximate Numeric Literals in SQL Server Transact-SQL
What are approximate numeric literals supported in SQL Server Transact-SQL? Approximate numeric literals in Transact-SQL are numbers written in scientific notation formats. Approximate numeric literals are used to provide values to approximate numeric variables or table columns like LOAT(24), DOUBLE...
2017-05-05, 2725🔥, 0💬

DEFAULT - Using Column Default Values in INSERT Statements in SQL Server
How To Use Column Default Values in INSERT Statements in SQL Server? 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 good example: INSERT INTO fyi_links...
2016-11-03, 2722🔥, 0💬

Compilation Error in a Statement Batch in SQL Server
What happens to a Transact-SQL statement batch if there is a compilation error? If a Transact-SQL statement batch has multiple statements, and one of them has compilation error, none of the statements in the batch will be executed. The tutorial exercise below gives you some good examples: SELECT get...
2017-05-29, 2711🔥, 0💬

What Are Comparison Operations in SQL Server
What Are Comparison Operations in SQL Server Transact-SQL? Comparison operations return Boolean values by comparing the relative positions of two operands. SQL server supports the following comparison operations: = (Equal To): Returns Boolean true, if two operands are equal in value. &gt; (Great...
2017-01-29, 2710🔥, 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, 2708🔥, 0💬

"ALTER LOGIN" - Changing a Login Name in SQL Server
How To Change a Login Name in SQL Server? If you want to change a login name, you can use the "ALTER LOGIN" statement as shown in this tutorial example: -- Login with "sa" -- Change login name ALTER LOGIN Fyi_Login WITH NAME = Dba_Login; GO -- View login names SELECT name, sid, type, type_desc FROM ...
2016-10-19, 2708🔥, 0💬

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, 2705🔥, 0💬

Numeric Expressions and Functions in SQL Server Transact-SQL
Where to find answers to frequently asked questions on Numeric Expressions and Functions in SQL Server Transact-SQL? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Numeric Expressions and Functions in SQL Server Transact-SQL. Clear answers are pr...
2017-04-01, 2700🔥, 0💬

"CREATE VIEW/PROCEDURE" Statements - Creating a View and a Stored Procedure in SQL Server
How to create a view and a stored procedure using "CREATE VIEW/PROCEDURE" statements in SQL Server? This is the third tutorial of a quick lesson on creating login and configure users for databases with Transact-SQL statements. Granting a user access to a database involves three steps. First, you cre...
2016-11-27, 2698🔥, 0💬

Location of Database Files in SQL Server
Where is my database stored on the hard disk in SQL Server? If a database is created with simple CREATE DATABASE statement, the server will create two database files on the hard disk to store data and configuration information about that data bases: database_name.mdf - SQL Server Database Primary Da...
2016-11-24, 2697🔥, 0💬

NULL Values Involved in Boolean Operations in SQL Server
What Happens If NULL Values Are Involved in Boolean Operations in SQL Server Transact-SQL? If NULL values are involved in Boolean operations, the result will vary depending on the operator type. For AND operator, FALSE takes precedence over NULL. The result can be summarized in a table below: AND TR...
2017-02-03, 2692🔥, 0💬

Declaring and Using Cursor Variables in SQL Server
How To Declare and Use Cursor Variables in SQL Server Transact-SQL? There are two ways to representing a cursor: 1. A cursor name - A static name representing a cursor object. A cursor name should be linked to a cursor object in the DECLARE statement. 2. A cursor variable name - A variable name poin...
2016-10-17, 2689🔥, 0💬

Passing Values to User Defined Function Parameters in SQL Server
How To Provide Values to User Defined Function Parameters in SQL Server Transact-SQL? If a user defined function is created with parameters, you need pass values to those parameters when calling the function with one of two formats listed below: expression... function_name(value_1, value_2, ... valu...
2016-12-18, 2688🔥, 0💬

What Is Index Fragmentation in SQL Server
What Is Index Fragmentation in SQL Server? Index fragmentation is a phenomena where index contents are no longer stored continuously in the storage. When index contents become scattered in the storage, fragmented, performance on index will degrade. If you want to see the fragmentation level of an in...
2016-11-08, 2687🔥, 0💬

Casting Numeric Values to DATETIME in SQL Server Transact-SQL
Can I cast numeric values to DATETIME values in SQL Server Transact-SQL? Yes, you can cast numeric values to DATATIME values in Transact-SQL. The implicit casting rules are for numeric values to DATETIME values are: Numeric values are casted linearly to DATETIME values. Decimal 0 represents 1900-01-...
2017-04-15, 2685🔥, 0💬

Database in Use When Dropping a Database in SQL Server
Why I am getting this error when dropping a database in SQL Server? If you are trying to drop a database that is in use, you will get an error message like this: 'Cannot drop database "FyiCenterData" because it is currently in use.' Before dropping a database, you must stop all client sessions using...
2016-11-24, 2683🔥, 0💬

Using ORDER BY with UNION Operators in SQL Server
How To Use ORDER BY with UNION Operators in SQL Server? If you need to sort the output from two queries grouped together with a UNION operator, you need to apply the ORDER BY clause at the group level, not at the subquery level. Note that SQL Server and MySQL react differently to the ORDER BY clause...
2016-10-26, 2678🔥, 0💬

"CREATE LOGIN" - Creating a New Login Name in SQL Server
How To Create a New Login Name in SQL Server in SQL Server? In previous tutorials, it is assumed that you use the "sa" (System Administrator) login name to connect to your SQL Server. But that is not what a normal developer uses to connect to the server, since "sa" has the ALL permissions granted. Y...
2016-10-20, 2675🔥, 0💬

BETWEEN - Testing Value in a Range in SQL Server
What To Test Value Ranges with the BETWEEN Operator in SQL Server Transact-SQL? Sometimes you want to compare a value against a value range. You can do this with two regular comparison operations. But you can also use the special comparison operator BETWEEN to get it done with the following syntaxes...
2017-01-21, 2671🔥, 0💬

Mathematical Functions Supported by SQL Server 2005 in SQL Server
What Are the Mathematical Functions Supported by SQL Server 2005 in SQL Server Transact-SQL? SQL Server 2005 supports 23 mathematical functions: ABS, ACOS, ASIN, ATAN, ATN2, CEILING, COS, COT, DEGREES, EXP, FLOOR, LOG, LOG10, PI, POWER, RADIANS, RAND, ROUND, SIGN, SIN, SQRT, SQUARE, and TAN. The ret...
2017-03-22, 2670🔥, 0💬

Creating User Defined Functions with Parameters in SQL Server
How To Create User Defined Functions with Parameters in SQL Server Transact-SQL? Very often, you need to create a function with one or more parameters so that the function can be more generic. You only supply values to those parameters at the time of executing the function. User defined functions wi...
2016-12-18, 2670🔥, 0💬

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