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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, 229👍, 0💬

BEGIN ... END Statement Blocks in SQL Server Transact-SQL
How to put statements into a statement block in SQL Server Transact-SQL? You can put statements into a statement block with BEGIN and END key words in Transact-SQL using these syntaxes BEGIN statement_1 statement_2 ... END Statement blocks are mainly used with logical conditions and control-of-flow ...
2017-01-11, 229👍, 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, 229👍, 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, 228👍, 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, 228👍, 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, 226👍, 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, 226👍, 0💬

Downloading and Installing Microsoft .NET Framework Version 2.0 in SQL Server
How to download and install Microsoft .NET Framework Version 2.0 in SQL Server? .NET Framework Version 2.0 is required by many Microsoft applications like SQL Server 2005. If you want download and install .NET Framework Version 2.0, you should follow this tutorial: 1. Go to the Microsoft .NET Framew...
2016-12-08, 225👍, 0💬

Converting Binary Strings into NUMERIC or FLOAT in SQL Server
Can Binary Strings Be Converted into NUMERIC or FLOAT Data Types in SQL Server Transact-SQL? Can binary strings be converted into numeric or float data types? The answer is no. Binary strings can not be converted implicitly or explicitly into NUMERIC, DECIMAL, REAL, or FLOAT data types. The tutorial...
2017-02-28, 224👍, 0💬

NULL Values Involved in Comparison Operations in SQL Server
What Happens If NULL Values Are Involved in Comparison Operations in SQL Server Transact-SQL? If NULL values are involved in comparison operations, the result will be Boolean NULL values. This behavior is very interesting because you would expect a comparison operation returns only one of the two va...
2017-02-03, 224👍, 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, 223👍, 0💬

Getting Year, Month and Day Out of DATETIME Values in SQL Server
How To Get Year, Month and Day Out of DATETIME Values in SQL Server Transact-SQL? You can use DATEPART() to get any part of the DATETIME value. But to get year, month and day, you can use 3 specific functions: YEAR(), MONTH() and DAY(). These functions are equivalent to DATEPART() as: YEAR(date) = D...
2017-02-14, 222👍, 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, 222👍, 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, 222👍, 0💬

Assigning NULL Values to Variables or Columns in SQL Server
How To Assign NULL Values to Variables or Columns in SQL Server Transact-SQL? The rule for assigning NULL values to variables or table columns is simple: Use keyword "NULL" directly as normal values. "NULL" can be used in SET statements to assign NULL values to variables. "NULL" can be used in SET c...
2017-02-05, 222👍, 0💬

Load Data with SQL*Loader in Oracle
How To Load Data with SQL*Loader in Oracle? Let's say you have a table defined as: CREATE TABLE student (id NUMBER(5) PRIMARY KEY, first_name VARCHAR(80) NOT NULL, last_name VARCHAR(80) NOT NULL, birth_date DATE NOT NULL, social_number VARCHAR(80) UNIQUE NOT NULL); There is an input data file stored...
2016-11-27, 222👍, 0💬

Adding Address Records into AdventureWorksLT in SQL Server
How to add an address record into AdventureWorksLT in SQL Server? To find out if we can add data into AdventureWorksLT or not, you can try to add an address record into the "SalesLT.Address" in AdventureWorksLT: USE AdventureWorksLT GO INSERT SalesLT.Address (AddressLine1, City, StateProvince, Count...
2016-12-02, 221👍, 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, 221👍, 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, 221👍, 0💬

CAST() - Converting Numeric Expression Data Types in SQL Server
How To Convert Numeric Expression Data Types using the CAST() Function in SQL Server Transact-SQL? If you want to convert the data type of a numeric expression to a new data type, you can use the CAST(expression AS data_type) function. The tutorial exercise below shows you how to use the CAST() func...
2017-03-27, 220👍, 0💬

Missing .NET Framework 2.0 for SQL Server 2005 Express Edition in SQL Server
Why I am getting "The Microsoft .Net Framework 2.0 in not installed" message in SQL Server? When you try to install SQL Server 2005 Express Edition, you may get a Microsoft SQL Server 2005 Setup error box with this message: "The Microsoft .Net Framework 2.0 in not installed. Please install before ru...
2016-12-08, 220👍, 0💬

CREATE INDEX - Impact on Other User Sessions in SQL Server
What Is the Impact on Other User Sessions When Creating Indexes in SQL Server? If you are creating a new index on a table with existing data, all existing rows will be indexed as part of the CREATE INDEX statement. If the table is large, the indexing process could take some time. The impact of this ...
2016-11-08, 219👍, 0💬

Converting Numeric Data Types by Assignment Operations in SQL Server
How To Convert Numeric Expression Data Types by Assignment Operations in SQL Server Transact-SQL? An assignment operation is used to assign an expression to a variable, a column, or a parameter. If the data type of the expression does not match the data type of the receiving variable, column, or par...
2017-03-27, 218👍, 0💬

Setting New Values to Parts of a DATETIME Value in SQL Server
How To Set Different Parts of a DATETIME Value in SQL Server Transact-SQL? In SQL Server, you can get different parts of a DATETIME value with the DATEPART() functions. But there is no function that allows you to set different parts to a DATETIME value. For example, you a date_of_birth column as DAT...
2017-02-08, 218👍, 0💬

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