General MySQL Oracle SQL Server

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Getting Parts of DATETIME Values as Integers in SQL Server
How To Get Parts of DATETIME Values as Integers in SQL Server Transact-SQL? Sometimes, you want to one specific part of a DATETIME value as an integer to be used in your own date and time calculations. This can be done by using the DATEPART() function in the following format: DATENAME(datepart, date... 2017-02-14, 4916🔥, 0💬

Show Table Columns Used in an Index in Oracle
How To See the Table Columns Used in an Index in Oracle? You can a list of indexes in your schema from the USER_INDEXES view, but it will not give you the columns used in each index in the USER_INDEXES view. If you want to see the columns used in an index, you can use the USER_IND_COLUMNS view. Here... 2019-04-17, 4910🔥, 0💬

Input Buffer in SQL*Plus in Oracle
What Is Input Buffer in SQL*Plus in Oracle? Input buffer is a nice feature of the command-line SQL*Plus tool. It allows you to revise a multiple-line command and re-run it with a couple of simple commands. By default, input buffer is always turned on in SQL*Plus. The last SQL statement is always sto... 2020-07-15, 4898🔥, 0💬

Run Stored Procedures in Debug Mode in Oracle
How To Run Stored Procedures in Debug Mode in Oracle? If have an existing stored procedure and you want to debug it interactively, you can use the debug feature provided in SQL Developer. The following exercise shows you how to start the debug mode: Open you connection name, like Local_XE. Open Proc... 2019-01-12, 4895🔥, 0💬

CURRENT_USER() - Authentication Name of Current User
How to obtain the authentication name of the current user using the CURRENT_USER() function? CURRENT_USER() is a MySQL built-in function that returns the authentication name of the current user. The authentication name is a combination of "User" and "Host" columns in the mysql.user table and used to... 2025-06-18, 4881🔥, 0💬

Overflow Errors with INT Values in SQL Server Transact-SQL
What Happens If an Integer Is Too Big for INT (INTEGER) Date Type in SQL Server Transact-SQL? If you are entering an INT data type literal with representing an integer value too big for INT data type to store, the SQL Server will give you an arithmetic overflow error. The same error will happen on B... 2017-04-19, 4869🔥, 0💬

sys.objects - Listing All User Defined Functions in SQL Server
How To List All User Defined Functions in the Current Database in SQL Server Transact-SQL? If you want to see a list of all user defined functions in your current database, you can use the system view, sys.objects as shown in this tutorial exercise: USE FyiCenterData; GO -- Number of Sundays in a gi... 2016-12-24, 4843🔥, 0💬

Shutdown the Server with "mysqladmin" Command in MySQL
How To Shut Down the Server with "mysqladmin" in MySQL? If you want to shut down the server with "mysqladmin", you can use the command "mysqladmin shutdown" as shown in the following tutorial example: &gt;cd \mysql\bin &gt;mysqladmin -u root shutdown If this command returns no messages, your... 2018-06-01, 4824🔥, 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, 4807🔥, 0💬

Built-in Internal User Accounts in Oracle
What Are Internal User Account in Oracle? An internal user account is a system predefined user account. Oracle 10g XE comes with a number of internal accounts: SYSTEM - This is the user account that you log in with to perform all administrative functions other than starting up and shutting down the ... 2019-07-21, 4800🔥, 0💬

Using INSERT, UPDATE and DELETE Statements in SQL Server
Where to find answers to frequently asked questions on Using INSERT, UPDATE and DELETE Statements in SQL Server? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Using INSERT, UPDATE and DELETE Statements in SQL Server. Clear answers are provided w... 2016-11-03, 4785🔥, 0💬

Using Binary Strings in Arithmetical Operations in SQL Server
Can Binary Strings Be Used in Arithmetical Operations in SQL Server Transact-SQL? Can binary strings be used in arithmetical operations? The answer is yes. But there are two simple rules you need to remember: If an arithmetical operation has one binary string operand and one integer data type operan... 2017-02-28, 4748🔥, 0💬

What Is BDB in MySQL
What Is BDB (BerkeleyDB) in MySQL? BDB (BerkeleyDB) is transaction safe storage engine originally developed at U.C. Berkeley. It is now developed by Sleepycat Software, Inc. (an Oracle company now).   ⇒ What Is CSV in MySQL ⇐ What Is InnoDB in MySQL ⇑ Database Basics and Terminologies in MySQL ⇑⇑ ... 2017-07-03, 4736🔥, 0💬

Retrieve CREATE TABLE Statement with SQL Developer in Oracle
How To Get a CREATE Statement for an Existing Table in Oracle? You have an existing table and want to get a CREATE statement for that table, you can use the SQL tab in the object view. The following tutorial steps show you how to use SQL Developer to generate a CREATE statement on an existing table:... 2018-10-08, 4735🔥, 0💬

Rolling Back the DDL Statement in a Trigger in SQL Server
Can You Roll Back the DDL Statement in a Trigger in SQL Server? Can you roll back the DDL statement in a trigger? The answer is yes. Since the DDL statement that fires the trigger and the statements defined inside the trigger are all executed as a single statement batch, you can add a ROLLBACK state... 2016-10-22, 4723🔥, 0💬

How do I call MySQL SP from oracle using HS link ?
How do I call MySQL Stored Procedure from oracle using HS link ? HS link is correct and I can get the tables data just by adding '@' at the end of the table name ,but I can't call the SP same way ! Help please. 2022-01-24, 4716🔥, 0💬

Relations of a User Account and a Schema in Oracle
What Is the Relation of a User Account and a Schema in Oracle? User accounts and schemas have a one-to-one relation. When you create a user, you are also implicitly creating a schema for that user. A schema is a logical container for the database objects (such as tables, views, triggers, and so on) ... 2020-11-22, 4710🔥, 0💬

Turning on mysql Extension on the PHP Engine in MySQL
How To Turn on mysql Extension on the PHP Engine in MySQL? The "mysql" API extension is provided as "php_mysql.dll" for Windows system. Your PHP binary download package should have "php_mysql.dll" included. No need for another download. But you need to check the PHP configuration file, \php\php.ini,... 2017-07-30, 4709🔥, 0💬

What Is ISAM in MySQL
What Is ISAM in MySQL? ISAM (Indexed Sequential Access Method) was developed by IBM to store and retrieve data on secondary storage systems like tapes.   ⇒ What Is MyISAM in MySQL ⇐ What Is Union in MySQL ⇑ Database Basics and Terminologies in MySQL ⇑⇑ MySQL Database Tutorials 2017-07-03, 4706🔥, 0💬

Run SQL Commands in SQL*Plus in Oracle
How To Run SQL Commands in SQL*Plus in Oracle? If you want to run a SQL command in SQL*Plus, you need to enter the SQL command in one or more lines and terminated with (;). The tutorial exercise below shows a good example: SQL&gt; SELECT 'Welcome!' FROM DUAL; 'WELCOME -------- Welcome! SQL&g... 2020-08-03, 4687🔥, 1💬

💬 2020-08-03 chelseaclark: β-Arrestin recruitment is a ubiquitous mechanism of negative regulation of GPCR signaling, which has been demonstrated for almo...

DATABASE() - Name of Current Database
How to obtain the name of the current database using the DATABASE() function? DATABASE() is a MySQL built-in function that returns the name of the current database. For example: USE mysql; Database changed SELECT DATABASE(); -- +------------+ -- | DATABASE() | -- +------------+ -- | mysql | -- +----... 2025-06-18, 4679🔥, 0💬

What Is a Database Schema in Oracle
What Is a Database Schema in Oracle? A schema is a collection of logical structures of data, or schema objects. A schema is owned by a database user and has the same name as that user. Each user owns a single schema. Schema objects can be created and manipulated with SQL and include: tables, views, ... 2020-11-22, 4679🔥, 0💬

Define DSN with ODBC Manager in Oracle
How To Define a Data Source Name (DSN) in ODBC Manager in Oracle? DSN (Data Source Name) is an ODBC connection identifier for Windows applications. Here is how you can define a DSN on your Windows system: Go to Control Panel. Go to Administrative Tools. Run Data Sources (ODBC). Go to System DSN tab.... 2016-10-15, 4676🔥, 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, 4672🔥, 0💬

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General MySQL Oracle SQL Server