General MySQL Oracle SQL Server

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Entering Binary String Literals in SQL Server Transact-SQL
How To Enter Binary String Literals in SQL Server Transact-SQL? Binary string long values are normally generated by client applications by reading input channels, like image files. But sometimes, you may need to enter some short binary strings as literals. Binary string literals are entered as a str... 2017-04-22, 2796🔥, 0💬

System Requirements for SQL Server 2005 Express Edition in SQL Server
What are the requirements to install SQL Server 2005 Express Edition in SQL Server? The following system requirements cover the SQL Server 2005 Express Edition: Processor 32-bit Processor of 600-megahertz (MHz) or faster Operating System Windows XP with Service Pack 2 or later Windows 2000 Professio... 2016-12-08, 2793🔥, 0💬

"CREATE LOGIN" Statements - Creating a Login in SQL Server
How to create a login to access the database engine using "CREATE LOGIN" statements in SQL Server? This is the first 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 crea... 2016-12-02, 2790🔥, 0💬

Database in Use When Renaming a Database in SQL Server
Why I am getting this error when renaming a database in SQL Server? If you are trying to rename a database that is in use, you will get an error message like this: "The database could not be exclusively locked to perform the operation." Before renaming a database, you must stop all client sessions u... 2016-11-20, 2771🔥, 0💬

odbc_errormsg() - Retrieving ODBC Error Messages
How To Retrieve Error Messages using odbc_errormsg()? When you call odbc_exec() to execute a SQL statement, and the execution failed on the SQL Server, you can use odbc_error() and odbc_errormsg() to retrieve the error code and error messages. The tutorial script below shows you a good example: &... 2024-06-30, 2766🔥, 0💬

What Is a Boolean Value in SQL Server
What Is a Boolean Value in SQL Server Transact-SQL? A Boolean value indicates a condition in a state of TRUE or FALSE. In Transact-SQL language, there is not storage data type defined to store a Boolean value. So Boolean values can only exist temporarily as part of the execution of Transact-SQL expr... 2017-01-29, 2755🔥, 0💬

Truncating DATETIME Values to Dates without Time in SQL Server
How To Truncate DATETIME Values to Dates without Time in SQL Server Transact-SQL? Assuming that you have some date and time, DATETIME, values, and you want to work with dates only. You want to truncate them to dates without time, or with time of 00:00:00.000. Again, SQL Server offers no simple solut... 2017-02-08, 2749🔥, 0💬

Passing Expressions to Function Parameters in SQL Server
Can You Pass Expressions to Function Parameters in SQL Server Transact-SQL? Can you pass expressions to stored procedure parameters? The answer is yes. When executing functions, input values can be written as expressions. But the resulting value data type must match the parameter. The tutorial exerc... 2016-12-18, 2748🔥, 0💬

"DROP" Statements - Deleting database objects in SQL Server
How to delete database objects with "DROP" statements in SQL Server? To remove all database objects created by previous tutorials, you could just delete the database. However, in this tutorial, you will go through the steps to reverse every action you took doing the tutorial. Removing permissions an... 2016-11-27, 2741🔥, 0💬

Using Stored Procedures in SQL Server Transact-SQL
Where to find answers to frequently asked questions on Using Stored Procedures in SQL Server Transact-SQL? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Using Stored Procedures in SQL Server Transact-SQL. Clear answers are provided with tutorial... 2017-01-11, 2737🔥, 0💬

Binary String Data Types in SQL Server Transact-SQL
What are binary string data types supported in SQL Server Transact-SQL? Binary string data types are used to hold binary character strings. There are 3 binary string data types supported in SQL Server Transact-SQL: 1. BINARY - Used to hold binary strings of a fixed length, specified in the format of... 2017-04-04, 2734🔥, 0💬

Passing Expressions to Stored Procedure Parameters in SQL Server
Can You Pass Expressions to Stored Procedure Parameters in SQL Server Transact-SQL? Can you pass expressions to stored procedure parameters? The answer is no. When executing stored procedures, all input values must be entered as data literals, which can be specified within single quotes ('), or with... 2016-12-28, 2727🔥, 0💬

Generating CREATE FUNCTION Scripts on Existing Functions in SQL Server
How To Generate CREATE FUNCTION Script on an Existing Function in SQL Server Transact-SQL? If you want to know how an existing user defined function was created, you can use SQL Server Management Studio to automatically generate a "CREATE FUNCTION" script The following tutorial shows you how to do t... 2016-12-18, 2722🔥, 0💬

Performing Comparison on Date and Time Values in SQL Server
How To Perform Comparison on Date and Time Values in SQL Server Transact-SQL? Comparison operations on date and time values can be performed in the same way as numeric values. The comparison rule is simple: a date and time value in the future has a greater value than a date and time value in the pas... 2017-01-21, 2720🔥, 0💬

"CREATE FUNCTION" - Creating User Defined Functions in SQL Server
How To Create a Simple User Defined Function in SQL Server Transact-SQL? If you want to create a simple user defined function, you can use the "CREATE FUNCTION" command with a statement block in a simple format as shown in below: CREATE FUNCTION function_name() RETURNS data_type AS BEGIN statement_1... 2016-12-24, 2719🔥, 0💬

Date and Time Data Types in SQL Server Transact-SQL
What are date and time data types supported in SQL Server Transact-SQL? Date and time data types are used to hold dates and times. There are 6 date and time data types supported in SQL Server Transact-SQL: 1. DATETIME - Use to hold date and times with a large precision using 8-byte storages: 4 bytes... 2017-04-15, 2716🔥, 0💬

Boolean Values and Logical Operations in SQL Server Transact-SQL
Where to find answers to frequently asked questions on Boolean Values and Logical Operations in SQL Server Transact-SQL? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Boolean Values and Logical Operations in SQL Server Transact-SQL. Clear answer... 2017-01-29, 2706🔥, 0💬

String Type Conversion During Concatenation in SQL Server
What Happens When Unicode Strings Concatenate with Non-Unicode Strings in SQL Server Transact-SQL? If a Unicode string NVARCHAR is concatenated with a non-Unicode string VARCHAR, SQL Server will implicitly convert the non-Unicode string to Unicode string for concatenation. DECLARE @regcode VARCHAR(4... 2017-03-11, 2700🔥, 0💬

Comments in SQL Server Transact-SQL Statements
How to enter comments in SQL Server Transact-SQL statements? There are 2 ways to enter comments within Transact-SQL statements: Starting comments with two dashes "--": Everything between "--" and the end of the line is treated as a comment. Entering comments between "/*" and "*/": Everything between... 2017-05-29, 2698🔥, 0💬

Downloading and Installing SQL Server 2005 Books Online in SQL Server
How to download and install SQL Server 2005 Books Online in SQL Server? 1. Go to the SQL Server 2005 Books Online download page . 2. Click the download button, the File Download box shows up. Save the download file to c:\temp. 3. Double click on the downloaded file: c:\temp\SqlServer2K5_BOL_Feb20 07.... 2016-12-04, 2698🔥, 0💬

Attaching AdventureWorksLT Physical Files to the Server in SQL Server
How to attach AdventureWorksLT physical files to the server in SQL Server? After installed the sample database AdventureWorksLT, you need to attach it to your SQL server to make it available by follow this tutorial: EXEC sp_attach_db @dbname=N'AdventureWorksLT', @filename1=N'C:\Program Files\Microso... 2016-12-02, 2697🔥, 0💬

"ALTER PROCEDURE" - Modifying Existing Stored Procedures in SQL Server
How To Modify an Existing Stored Procedure in SQL Server Transact-SQL? If you find a mistake in an existing stored procedure previously created, you can drop (delete) it and create it again correctly. But dropping a stored procedure may affect other database objects who are depending on this stored ... 2017-01-05, 2690🔥, 0💬

What Is ODBC (Open Database Communication)?
What Is Open Database Communication (ODBC)? ODBC, Open Database Communication, a standard API (application program interface) developed by Microsoft for Windows applications to communicate with database management servers. If you want to access a database server through an ODBC driver from an applic... 2024-08-14, 2686🔥, 0💬

Getting Started with Transact-SQL Statements in SQL Server
Where to find answers to frequently asked questions on Getting Started with Transact-SQL Statements in SQL Server? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Getting Started with Transact-SQL Statements in SQL Server. Clear examples are provi... 2016-12-02, 2684🔥, 0💬

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General MySQL Oracle SQL Server