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About dba.FYIcenter.com Website
What is dba.FYIcenter.com Website about? dba.FYIcenter.com is a Website for DBAs (database administrators) and database application developers looking for database server management tips, database programming tutorials, career information, and so on. Just browse through the site, you will find the b...
2016-10-17, 1916👍, 0💬

RAND() - Generating Random Numbers in SQL Server
How To Generate Random Numbers with the RAND() Function in SQL Server Transact-SQL? Random numbers are very useful for generating test data, passwords, or other security related data. SQL Server 2005 offers you the random number generator function RAND in two format: RAND(seed) - Starting a new sequ...
2017-03-11, 788👍, 0💬

Error: Imported Table Already Exists in Oracle
What Happens If the Imported Table Already Exists in Oracle? If the import process tries to import a table that already exists, the Data Pump Import utility will return an error and skip this table. The following exercise shows you a good example: >cd \oraclexe\app\oracle\product\1 0.2.0\serve...
2016-10-15, 700👍, 0💬

DDL (Data Definition Language) Statements for Tables? in SQL Server
What are DDL (Data Definition Language) statements for tables in SQL Server? DDL (Data Definition Language) statements are statements to create and manage data objects in the database. The are three primary DDL statements to create and manage tables: CREATE TABLE - Creating a new table. ALTER TABLE ...
2016-11-20, 639👍, 0💬

Windows Applications Connect to Oracle Servers in Oracle
How Can Windows Applications Connect to Oracle Servers in Oracle? A Windows application can connect to an Oracle server directly, if it knows how to use the Oracle TNS technology. A Windows application can connect to an Oracle server indirectly through Windows ODBC manager, because it offers ODBC dr...
2016-10-15, 637👍, 0💬

Define External Table in a Text File in Oracle
How To Define an External Table in a Text File in Oracle? You can use the CREATE TABLE statement to create external tables. But you need to use ORGANIZATION EXTERNAL clause to specify the external file location and the data access driver. The tutorial exercise below shows you how to define an extern...
2016-10-19, 625👍, 1💬

💬 2016-10-19 Randy: Great example, Thanks!

WHILE ... Loops in SQL Server Transact-SQL
How to execute statements in loops in SQL Server Transact-SQL? How to use WHILE ... loops? You can use WHILE ... statements to execute statements in loops in Transact-SQL using these syntaxes: -- Loop with a single statement WHILE condition statement -- Loop with a statement block WHILE condition --...
2017-01-11, 618👍, 0💬

DATEADD() Function Usage Examples in SQL Server
How To Use DATEADD() Function in SQL Server Transact-SQL? DATEADD() is a very useful function for manipulating date and time values. The following tutorial exercise shows you some good DATEADD() usage examples: -- Incrementing 1 year on a leap date DECLARE @birth_date DATETIME; SET @birth_date = '20...
2017-02-20, 611👍, 0💬

Counting Rows with the COUNT(*) Function in SQL Server
How To Count Rows with the COUNT(*) Function in SQL Server? If you want to count the number of rows, you can use the COUNT(*) function in the SELECT clause. The following tutorial exercise shows you some good examples: SELECT COUNT(*) FROM fyi_links GO 7 SELECT COUNT(*) FROM fyi_links WHERE url LIKE...
2016-10-26, 607👍, 0💬

SQL Server Database Tutorials
Where to find SQL Server database server tutorials? Here is a collection of tutorials, tips and FAQs for SQL Server DBA and SQL Server database application developers. Clear explanations and sample scripts provided can be used as learning tutorials or interview preparation guides. It doesn't matter ...
2016-10-18, 591👍, 0💬

CREATE TABLE - Creating New Tables in SQL Server
How to create new tables with "CREATE TABLE" statements in SQL Server? If you want to create a new table, you can use the "CREATE TABLE" statement. The following tutorial script shows you how to create a table called "tip": CREATE TABLE tip (id INTEGER PRIMARY KEY, subject VARCHAR(80) NOT NULL, desc...
2016-11-17, 571👍, 0💬

GO - Sending a Statement Batch from "sqlcmd" in SQL Server
How To Use GO Command in "sqlcmd" in SQL Server? "sqlcmd" is a command line client application to run Transact-SQL statements on a target SQL Server. When "sqlcmd" is started and connected to a SQL Server, it will start a new batch and prompt you to enter the first statement of the batch. You can en...
2016-12-04, 568👍, 0💬

Managing Security, Login and User in SQL Server
Where to find answers to frequently asked questions on Managing Security, Login and User in SQL Server? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Managing Security, Login and User in SQL Server. Clear answers are provided with tutorial exerc...
2016-10-20, 565👍, 0💬

MySQL Database Tutorials
Where to find MySQL database server tutorials? Here is a collection of tutorials, tips and FAQs for MySQL DBA and MySQL database application developers. Clear explanations and sample scripts provided can be used as learning tutorials or interview preparation guides. It doesn't matter whether you are...
2016-10-16, 565👍, 0💬

FLOOR, CEILING, ROUND - Converting Values to Integers in SQL Server
How To Convert Numeric Values to Integers in SQL Server Transact-SQL? Sometimes you need to round a numeric value into an integer. SQL Server 2005 offers you a number of ways to do this: FLOOR(value) - Returning the largest integer less than or equal to the input value. The returning data type is th...
2017-03-22, 564👍, 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, 564👍, 0💬

CONTINUE to Next Loop Iteration in SQL Server Transact-SQL
How to continue to the next iteration of a WHILE loop in SQL Server Transact-SQL? How to use CONTINUE statements? You can use the CONTINUE statement to continue to the next iteration of a WHILE loop by skipping the rest of statement block of the current iteration using this syntax: WHILE condition B...
2017-01-11, 559👍, 0💬

Connecting SQL Server Management Studio Express To a SQL Server in SQL Server
How to connect SQL Server Management Studio Express to SQL Server 2005 Express in SQL Server? Once you have SQL Server 2005 Express installed and running on your local machine, you are ready to connect SQL Server Management Studio Express to the server: Click Start > Programs > Microso...
2016-12-04, 554👍, 0💬

READ_ONLY/READ_WRITE - Database Update Options in SQL Server
How to set database to be READ_ONLY in SQL Server? Databases in SQL Server have two update options: READ_WRITE - Data objects are allowed to be queried and modified. This is the default. READ_ONLY - Data objects are allowed to be queried, but not allowed to be modified. You can use the "ALTER DATABA...
2016-11-20, 554👍, 0💬

Generating CREATE VIEW Scripts on Existing Views in SQL Server
How To Generate CREATE VIEW Script on an Existing View in SQL Server? If you want to know how an existing view was created, you can use SQL Server Management Studio to automatically generate a "CREATE VIEW" script The following tutorial shows you how to do this: 1. Run SQL Server Management Studio a...
2016-11-05, 546👍, 0💬

Verifying SQL Server Running Status in SQL Server
How do you know if SQL Server is running on your local system in SQL Server? After installing SQL Server 2006 Express Edition, it will be running on your local system quietly as a background process. If you want to see this process is running, run Windows Task Manager. You should see a process calle...
2016-12-08, 536👍, 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, 535👍, 0💬

CREATE VIEW - Creating a View on an Existing Table in SQL Server
How To Create a View on an Existing Table in SQL Server? If you want to a view on an existing table, you can use the CREATE VIEW statement in a simple syntax: CREATE VIEW view_name AS SELECT ... The tutorial exercise below shows you how to create a view to represent sub set of data stored in fyi_lin...
2016-11-05, 531👍, 0💬

IF ... ELSE Statement in SQL Server Transact-SQL
How to execute statements under given conditions in SQL Server Transact-SQL? How to use IF ... ELSE statements? You can use IF ... ELSE statements to execute statements under given conditions in Transact-SQL using these syntaxes: IF condition statement_1 IF condition statement_1 ELSE statement_2 IF ...
2017-01-11, 525👍, 0💬

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