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"IF ... ELSE IF ..." Statement Structures in SQL Server
How To Use "IF ... ELSE IF ..." Statement Structures in SQL Server Transact-SQL? "IF ... ELSE IF ..." statement structure is used to select one of the specified statements to be executed based on specified Boolean conditions. Here is the syntax of "IF ... ELSE IF ..." statement structure: IF conditi...
2017-01-11, 1156👍, 0💬

Is SQL Server Transact-SQL Case Sensitive?
Is SQL Server Transact-SQL case sensitive? No. Transact-SQL is not case sensitive. Like the standard SQL, you can type in your Transact-SQL statement in upper case or lower case. However, you should use upper case for all key words in Transact-SQL statements as a best practice. The following example...
2017-06-16, 1149👍, 0💬

Import One Table back from a Dump File in Oracle
How To Import One Table Back from a Dump File in Oracle? If you only want to import one table back to the database, you can use a dump file that was created by full export, schema export or a table export. The following tutorial exercise shows you how to import the "fyi_links" table from a dump file...
2016-10-15, 1139👍, 0💬

Entering 0.001 Second in DATETIME in SQL Server Transact-SQL
Why I Can Not Enter 0.001 Second in DATETIME values in SQL Server Transact-SQL? If you enter milliseconds in data and time values, they will be rounded up to 10/3 millisecond increments, because DATETIME data type uses 4 bytes to store the time of the day. A 4-byte integer can only give an accuracy ...
2017-04-15, 1124👍, 0💬

Calculating Age in Days, Hours and Minutes in SQL Server
How To Calculate Age in Days, Hours and Minutes in SQL Server Transact-SQL? On many Web sites, news items or blog articles are displayed with a publishing data and time represented in days, hours and minutes. To do this you can use the DATEDIFF() function with a simple algorithm as shown in the tuto...
2017-02-14, 1114👍, 0💬

ISNULL() - Replacing NULL Values in Expressions in SQL Server
How To Replace NULL Values in Expressions using ISNULL() in SQL Server Transact-SQL? As you learned from previous tutorials, NULL values presented in expressions will cause the final results to be NULL. Sometimes, you want NULL values to be replaced with some default values, like 0, '', or 'NULL', s...
2017-02-03, 1110👍, 0💬

AdventureWorksLT Entity Relation Diagram in SQL Server
How AdventureWorksLT tables are related in SQL Server? There are 12 user tables defined in AdventureWorksLT: USE AdventureWorksLT GO SELECT s.name, t.name, t.type_desc FROM sys.tables t, sys.schemas s WHERE t.schema_id = s.schema_id ORDER BY s.name GO s.name t.name t.type_desc dbo BuildVersion USER_...
2016-12-02, 1110👍, 0💬

ROUND() - Rounding Values to Specific Precisions in SQL Server
How To Round a Numeric Value To a Specific Precision in SQL Server Transact-SQL? Sometimes you need to round a numeric value to a specific precision. For example, you may want to round values in your financial statement to the precision of 1000.00. This can be done by the ROUND() function with the f...
2017-03-11, 1100👍, 0💬

Requirements for Using MySQL in PHP in MySQL
What Do You Need to Connect PHP to MySQL in MySQL? If you want to access MySQL database server in your PHP script, you need to make sure that a MySQL API module (extension) is installed and turned on in your PHP engine. PHP 5 now supports two MySQL API extensions: mysql - This is the standard MySQL ...
2017-07-30, 1099👍, 0💬

Dispaly Part Time in Days, Hours and Minutes in MySQL
How To Display a Past Time in Days, Hours and Minutes in MySQL? You have seen a lots of Websites are displaying past times in days, hours and minutes. If you want to do this yourself, you can use the TIMEDIFF() SQL function. Note that the TIMEDIFF() function can only handle time range within 839 hou...
2017-06-23, 1099👍, 0💬

What Is SQL Server Transact-SQL (T-SQL)?
What is SQL Server Transact-SQL (T-SQL)? SQL Server Transact-SQL, also called T-SQL, is an extension of the standard SQL (Structured Query Language). Transact-SQL was developed by Microsoft and Sybase. Microsoft's implementation ships in the Microsoft SQL Server product. Sybase uses the language in ...
2017-06-16, 1091👍, 0💬

"ALTER USER" - Changing the Name of a Database User in SQL Server
How To Change the Name of a Database User in SQL Server? If you want to change the name of an existing database user, you can use the "ALTER USER" statement as shown in the tutorial exercise below: -- Login with "sa" USE FyiCenterData; GO ALTER USER Fyi_User WITH NAME = Dba_User; GO -- List all user...
2017-08-25, 1086👍, 0💬

Conditional Statements and Loops in SQL Server in SQL Server Transact-SQL
Where to find answers to frequently asked questions on Conditional Statements and Loops in SQL Server Transact-SQL? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com team on Conditional Statements and Loops in SQL Server Transact-SQL. Clear answers are provided...
2017-01-11, 1081👍, 0💬

Downloading and Installing SQL Server 2005 Express Edition
Where to find answers to frequently asked questions on Downloading and Installing SQL Server 2005 Express Edition? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Downloading and Installing SQL Server 2005 Express Edition. Clear answers are provid...
2016-12-08, 1080👍, 0💬

Changing Your Own Password in MySQL
How To Change the Password for Your Own User Account in MySQL? If you want to change the password of your own user account, you should use your user account connect to the server "mysql" first. You should then use the "SET PASSWORD ..." command to change the password of the current user account. The...
2017-09-08, 1075👍, 0💬

Formatting Time Zone in +/-hh:mm Format in SQL Server
How To Format Time Zone in +/-hh:mm Format in SQL Server Transact-SQL? From the previous tutorial, you know how to calculate the time zone value by using GETDATE() and GETUTCDATE() functions. But how can you format that time zone value in a nice looking format like +05:45 or -04:00? Unfortunately, S...
2017-02-08, 1075👍, 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, 1071👍, 0💬

Using User Defined Functions in SQL Server Transact-SQL
Where to find answers to frequently asked questions on Using User Defined Functions in SQL Server Transact-SQL? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Using User Defined Functions in SQL Server Transact-SQL. Clear answers are provided wit...
2016-12-28, 1065👍, 0💬

EXECUTE - Executing Stored Procedures in SQL Server
How To Execute a Stored Procedure in SQL Server Transact-SQL? If you want execute a stored procedure created previously, you can use the EXECUTE statement in the following formats: EXEC procedure_name; EXECUTE procedure_name; The key word EXEC is actually optional. So you can execute a stored proced...
2017-01-05, 1064👍, 0💬

What Is Microsoft SQL Server in SQL Server
What is Microsoft SQL Server in SQL Server? Microsoft SQL Server is a relational database management system (RDBMS) developed by Microsoft. It runs on Windows systems and uses Transact-SQL as the query language. Microsoft SQL Server release history: 1993 - SQL Server 4.21 for Windows NT 1995 - SQL S...
2016-12-08, 1062👍, 0💬

DROP_EXISTING - Recreating an Existing Index in SQL Server
How To Recreate an Existing Index in SQL Server? If you want to change the definition of an existing index, you can use the "DROP INDEX" statement to drop the index first. Then use the "CREATE INDEX" statement to create it again with the new definition. But you can also combine those two statements ...
2016-11-08, 1057👍, 0💬

AND, OR, XOR, and NOT - Bitwise Operations in SQL Server
What Are Bitwise Operations in SQL Server Transact-SQL? Bitwise operations are binary operations performed on one or two binary strings. SQL Server supports 4 bitwise operations: &amp; (Bitwise AND) - Performing the single bit Boolean operation "AND" on each bit position. | (Bitwise OR) - Perfor...
2017-02-25, 1054👍, 0💬

What Are Logical/Boolean Operations in SQL Server
What Are Logical/Boolean Operations in SQL Server Transact-SQL? Logical (Boolean) operations are performed on Boolean values with logical operators like 'AND', 'OR', or 'NOT'. Logical operations return Boolean values. SQL Server 2005 supports the following logical operations: AND - Returns TRUE if b...
2017-01-11, 1050👍, 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, 1043👍, 0💬

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