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Converting Binary Strings into Unicode Character Strings in SQL Server
Can Binary Strings Be Converted into Unicode Character Strings in SQL Server Transact-SQL? Can binary strings be converted into Unicode character strings? The answer is yes. But you need to know how Unicode characters are represented in a binary format. Remember the following simple rules: An ASCII ...
2017-02-28, 254👍, 0💬

DATEDIFF() - Calculating DATETIME Value Differences in SQL Server
How To Calculate DATETIME Value Differences Using the DATEDIFF() Function in SQL Server Transact-SQL? If you want to calculate the difference between two date and time values, you can use the DATEDIFF() function in the following format: DATEDIFF(datepart, startdate, enddate) returns INT: "startdate"...
2017-02-20, 253👍, 0💬

CASE - Conditional Expressions in SQL Server
What Are Conditional Expressions in SQL Server Transact-SQL? A conditional expression returns one of the given expressions based a specific condition. SQL Server 2005 offers the CASE operator to present a conditional expression with two syntaxes: 1. CASE with simple conditions CASE test_value WHEN v...
2017-01-29, 252👍, 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. > (Greater T...
2017-01-29, 252👍, 0💬

What Are Stored Procedures in SQL Server
What Are Stored Procedures in SQL Server Transact-SQL? A stored procedure is a collection of Transact-SQL statements that stored in the SQL Server. A stored procedure can be executed later with an EXEC statement. SQL Server supports stored procedures with the following features: 1. Stored procedures...
2017-01-11, 252👍, 0💬

mscorsvw.exe - Process - Microsoft .NET Framework NGEN in SQL Server
What is mscorsvw.exe - Process - Microsoft .NET Framework NGEN in SQL Server? Process mscorsvw.exe is installed as a system service as part of the .NET Framework 2.0. You can disable it, if you are not using any applications that require .NET Framework 2.0. mscorsvw.exe process and program file info...
2016-12-08, 252👍, 0💬

SQL Server Transact-SQL Tutorials
Where to find tutorials to answer some frequently asked questions on Microsoft SQL Server Transact-SQL? I want to know how to write database scripts to run on SQL Server. Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team about Microsoft SQL Server Tran...
2016-10-17, 252👍, 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, 251👍, 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, 251👍, 0💬

Unicode Character Data Types in SQL Server Transact-SQL
What are Unicode character string data types supported in SQL Server Transact-SQL? Unicode character string data types are used to hold Unicode character strings. There are 3 Unicode character string data types supported in SQL Server Transact-SQL: 1. NCHAR (or NATIONAL CHAR, or NATIONAL CHARACTER) ...
2017-04-08, 250👍, 0💬

Difference Between GETDATE() and GETUTCDATE() in SQL Server
What Is the Difference Between GETDATE() and GETUTCDATE() in SQL Server Transact-SQL? The difference between GETDATE() and GETUTCDATE() is time zone number of the SQL Server machine. The tutorial exercise below gives you a good example: DECLARE @local_time DATETIME; DECLARE @gmt_time DATETIME; SET @...
2017-02-14, 250👍, 0💬

Time-Only DATETIME Values in SQL Server Transact-SQL
What Happens If Time-Only Values Are Provided for DATETIME variables in SQL Server Transact-SQL? If only time value is provided in a DATETIME variable, the SQL Server will pad the date value with a zero, representing the base date, January 1, 1900. The tutorial exercise below gives you some good exa...
2017-04-08, 249👍, 0💬

DECLARE Statements in SQL Server Transact-SQL
How to declare a variable in SQL Server Transact-SQL? How to use the DECLARE statements? In Transact-SQL, you must use DECLARE statements to declare variables. Declaring a variable is to define the variable name and the variable data type. In Transact-SQL, you can: Declare a single variable in a sin...
2017-04-04, 249👍, 0💬

Date/Time Operations and Functions in SQL Server Transact-SQL
Where to find answers to frequently asked questions on Date/Time Operations 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 Date/Time Operations and Functions in SQL Server Transact-SQL. Clear answers are ...
2017-02-25, 249👍, 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, 248👍, 0💬

Where Is the Export Dump File Located in Oracle
Where Is the Export Dump File Located in Oracle? If you are not specifying the dump directory and file name, the dump file will be stored in the default dump directory with the default file name. The tutorial exercise below tells you find what is your default dump directory and locate the dump file....
2016-10-15, 248👍, 0💬

Differences of CHAR and VARCHAR in SQL Server Transact-SQL
What Are the Differences between CHAR and VARCHAR in SQL Server Transact-SQL? CHAR and VARCHAR are both used to store code page based 1-byte character strings in Transact-SQL. But they have the following main differences: CHAR(n) stores character strings with a fixed length, n bytes, storage format....
2017-04-04, 247👍, 0💬

Overflow Errors on Converting Big Values to Integers in SQL Server
What Happens When Converting Big Values to Integers in SQL Server Transact-SQL? If you are converting a numeric expression to an integer data type and the value is too big for integer storage size, you will get an arithmetic overflow error as shown in the following examples: -- Overflow error on imp...
2017-03-22, 247👍, 0💬

Incrementing or Decrementing Parts of DATETIME Values in SQL Server
How To Increment or Decrement Parts of DATETIME Values in SQL Server Transact-SQL? If you want to increment or decrement one part of a date and time value, you can use the DATEADD() function in the following format: DATEADD(datepart, number, date) returns DATETIME: "date" - the input date "number" -...
2017-02-20, 247👍, 0💬

Rules on Arithmetic Operations in SQL Server
What Are Arithmetic Operators in SQL Server Transact-SQL? An arithmetic operator performs an arithmetic operation on two expressions of numeric data types. SQL Server supports 5 arithmetic operators: + (Add): Addition - (Subtract): Subtraction * (Multiply): Multiplication / (Divide): Division % (Mod...
2017-04-01, 246👍, 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, 246👍, 0💬

"DROP PROCEDURE" - Dropping an Existing Procedure in SQL Server
How To Drop an Existing Stored Procedure in SQL Server Transact-SQL? If you have an existing procedure that you don't want to use it anymore, you should delete it from the SQL Server by using the "DROP PROCEDURE" statement as shown in the tutorial example below: USE FyiCenterData; GO DROP PROCEDURE ...
2017-01-05, 246👍, 0💬

Generating CREATE PROCEDURE Scripts on Existing Stored Procedures in SQL Server
How To Generate CREATE PROCEDURE Script on an Existing Stored Procedure in SQL Server Transact-SQL? If you want to know how an existing stored procedure was created, you can use SQL Server Management Studio to automatically generate a "CREATE PROCEDURE" script The following tutorial shows you how to...
2017-01-05, 246👍, 0💬

Downloading and Installing SQL Server Sample Scripts in SQL Server
How to download and install SQL Server 2005 Sample Scripts in SQL Server? If you want to learn from sample scripts provided by Microsoft, you should follow this tutorial to download and install them: 1. Go to the SQL Server 2005 Samples and Sample Databases download page. 2. Go to the x86 section in...
2016-12-04, 246👍, 0💬

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