General MySQL Oracle SQL Server

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Export Connection Information to a File in Oracle
How To Export Your Connection Information to a File in Oracle? SQL Developer allows you to export your connection information into an XML file. Here is how to do this: Right-click on Connections Select Export Connection... Enter File Name as: \temp\connections.xml Click OK Open \temp\connections.xml... 2018-10-08, 2945🔥, 0💬

Create Your Own Reports in SQL Developer in Oracle
How To Create Your Own Reports in SQL Developer in Oracle? Oracle SQL Developer also lets you create your own reports. See the following steps on how to do this: Click menu View. Selects Reports from the menu. Open Reports. Right-click on User Defined Reports. Select Add Report. Enter Name as: My Te... 2019-01-26, 2944🔥, 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, 2940🔥, 0💬

Accessing MySQL Server through Firewalls in MySQL
How To Access MySQL Servers through Firewalls in MySQL? If your MySQL server is provided by an Internet service company, connecting to the server from your local machine will not be so easy, because there are firewalls between your local machine and your MySQL server as shown below: Firewalls to MyS... 2017-11-25, 2936🔥, 0💬

What Is a Result Set Object in MySQL
What Is a Result Set Object in MySQL? A result set object is a logical representation of data rows returned by mysql_query() function on SELECT statements. Every result set object has an internal pointer used to identify the current row in the result set. Once you get a result set object, you can us... 2017-09-20, 2935🔥, 0💬

Download-Oracle-SQL-Developer in Oracle
How To Download Oracle SQL Developer in Oracle? If you want to download a copy of Oracle SQL Developer, visit http://www.oracle.com/technolo gy/software/products/sql/.If you are using Windows systems, click the "Oracle SQL Developer for Windows" link. This allows you to download the Windows version ... 2019-02-05, 2931🔥, 0💬

Download-Oracle-SQL-Developer in Oracle
How To Download Oracle SQL Developer in Oracle? If you want to download a copy of Oracle SQL Developer, visit http://www.oracle.com/technolo gy/software/products/sql/.If you are using Windows systems, click the "Oracle SQL Developer for Windows" link. This allows you to download the Windows version ... 2019-02-05, 2931🔥, 0💬

PL/SQL Anonymous Block in Oracle
What Is an Anonymous Block in Oracle? An anonymous block is a PL/SQL code block with no name. It consists of three parts: Declaration Part - Defining local variables and local procedures. Declaration part is optional. Execution Part - Defining execution logic with executable statements. Execution pa... 2018-11-29, 2931🔥, 0💬

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, 2931🔥, 0💬

What Is "mysql" Command in MySQL
What Is "mysql" in MySQL? "mysql" is a command-line interface for end users to manage user data objects. You can use "mysql" to run any standard SQL statements against the server. For example, you use the following SQL statements to manage tables and table rows: "CREATE TABLE links (name VARCHAR(80)... 2018-05-19, 2927🔥, 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, 2927🔥, 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, 2927🔥, 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, 2926🔥, 0💬

Query with a Left Outer Join in Oracle
How To Write a Query with a Left Outer Join in Oracle? If you want to query from two tables with a left outer join, you can use the LEFT OUTER JOIN ... ON clause in the FROM clause. The following query returns output with a left outer join from two tables: departments and employees. The join conditi... 2019-10-18, 2925🔥, 0💬

Tools to Manage MySQL Server in MySQL
What Tools Available for Managing MySQL Server in MySQL? MySQL comes with the following programs as administration tools for you to manage your MySQL server: mysqld - MySQL server daemon. You can use "mysqld" to start your MySQL server. mysqladmin - A command-line interface for administrators to per... 2018-06-01, 2924🔥, 0💬

SELECT Query Statements with GROUP BY in MySQL
Where to find answers to frequently asked questions on SELECT Query Statements with GROUP BY in MySQL? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team SELECT Query Statements with GROUP BY in MySQL. Clear answers are provided with tutorial exercises ... 2017-11-05, 2924🔥, 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, 2923🔥, 0💬

Show Free Space in a Tablespace in Oracle
How To See Free Space of Each Tablespace in Oracle? One of the important DBA tasks is to watch the storage usage of all the tablespaces to make sure there are enough free space in each tablespace for database applications to function properly. Free space information can be monitored through the USER... 2019-01-01, 2921🔥, 0💬

Pass Parameters to Procedures in Oracle
How To Pass Parameters to Procedures in Oracle? Store procedures or functions can take parameters. You need to define parameters while defining the procedure, and providing values to parameters while calling the procedure. The script below shows you how to do this: SQL&gt; CREATE OR REPLACE PROC... 2018-11-11, 2921🔥, 0💬

Invoke the Data Pump Import Utility in Oracle
How To Invoke the Data Pump Import Utility in Oracle? The Data Pump Import utility is distributed as executable file called "impdp.exe". To invoke this utility, you should go to the "bin" directory of your Oracle server installation and run the "impdp" command. Here is tutorial exercise on how to in... 2016-10-15, 2921🔥, 0💬

Start an Oracle Instance in Oracle
How To Start an Oracle Instance in Oracle? This is Step 6. Now you are ready to start the new Oracle Instance without any database. This instance will be used to create a database. Starting an instance without database can be done by using STARTUP NOMOUNT statement as shown below: &gt;.\bin\sqlp... 2018-05-08, 2920🔥, 0💬

"mysql" - Command Line End User Interface in MySQL
What Is the Command Line End User Interface - mysql in MySQL? "mysql", official name is "MySQL monitor", is a command-line interface for end users to manage user data objects. "mysql" has the following main features: "mysql" is command line interface. It is not a Graphical User Interface (GUI). "mys... 2018-04-28, 2920🔥, 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, 2918🔥, 0💬

What Is NULL in PL/SQL in Oracle
What Is NULL in PL/SQL in Oracle? NULL is a reserved key word and it stands for two things in PL/SQL: NULL is an executable statement, and means doing nothing. NULL is a data value, and means no value. The following sample script shows you examples of using NULL keyword: DECLARE next_task CHAR(80); ... 2018-07-13, 2914🔥, 0💬

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General MySQL Oracle SQL Server