General MySQL Oracle SQL Server

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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, 1175👍, 0💬

sqlservr.exe - Process - SQL Server (SQLEXPRESS) in SQL Server
What is sqlservr.exe - Process - SQL Server (SQLEX?PRESS) in SQL Server? Process sqlservr.exe is the Microsoft SQL Server system service installed as part of the Microsoft SQL Server 2005 Express Edition. mscorsvw.exe process and program file info: CPU usage: 00% Memory usage: 1,316K Launching metho... 2016-12-08, 1175👍, 0💬

Installing Sample Scripts and Databases in SQL Server
Where to find answers to frequently asked questions on Installing Sample Scripts and Databases in SQL Server? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Installing Sample Scripts and Databases in SQL Server. Clear answers are provided with tu... 2016-12-04, 1175👍, 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, 1173👍, 0💬

Locks, Timeouts, and Deadlocks in MySQL
What Are Impacts on Applications from Locks, Timeouts, and DeadLocks in MySQL? If you are using transactions with REPEATABLE READ isolation level and transaction safe storage engines in your applications, data locks, lock timeouts, and dead lock detections will impact your application in a concurren... 2017-07-21, 1171👍, 0💬

StartDB.bat Failed to Start the XE Instance in Oracle
What To Do If the StartDB.bat Failed to Start the XE Instance in Oracle? If StartDB.bat failed to start the XE instance, you need to try to start the instance with other approaches to get detail error messages on why the instance can not be started. One good approach to start the default instance is... 2020-09-30, 1154👍, 0💬

What Is an Oracle Instance in Oracle
What Is an Oracle Instance in Oracle? Every running Oracle database is associated with an Oracle instance. When a database is started on a database server (regardless of the type of computer), Oracle allocates a memory area called the System Global Area (SGA) and starts one or more Oracle processes.... 2020-11-11, 1152👍, 0💬

Verify 10g XE Server Installation in Oracle
How To Check Your Oracle Database 10g XE Installation in Oracle? If you want to check your fresh installation of 10g Express Edition without using any special client programs, you can use a Web browser with this address, http://localhost:8080/apex/. You will see the login page. Enter SYSTEM as the u... 2020-05-05, 1147👍, 0💬

DEFAULT - Providing Default Values to Function Parameters in SQL Server
How To Provide Default Values to Function Parameters in SQL Server Transact-SQL? If you add a parameter when creating a stored procedure, you can provide a default value so that the execution statement is not required to pass input value to this parameter: To define a default value to a parameter wh... 2016-12-18, 1146👍, 0💬

sys.trigger_events - Event List of an Existing Trigger in SQL Server
How To See the Event List of an Existing Trigger using sys.trigger_events in SQL Server? If what are the DML events an existing trigger is handling, you can use the catalog view, sys.trigger_events. You need to join sys.trigger_events and sys.triggers to get a better list as shown in this tutorial e... 2016-10-24, 1146👍, 0💬

What Is Program Global Area (PGA) in Oracle
What Is Program Global Area (PGA) in Oracle? A Program Global Area (PGA) is a memory buffer that is allocated for each individual database session and it contains session specific information such as SQL statement data or buffers used for sorting. The value specifies the total memory allocated by al... 2020-07-07, 1123👍, 0💬

What Is SQL*Loader in Oracle
What Is SQL*Loader in Oracle? SQL*Loader is a database tool that allows to load data from external files into database tables. SQL*Loader is available as part of the free Oracle 10g Expression Edition. It has some interesting features as: Can load data from multiple data files into multiple tables i... 2018-06-12, 1122👍, 0💬

"DECLARE ... CURSOR" - Declaring Cursor Objects in SQL Server
How To Declare a Cursor with "DECLARE ... CURSOR" in SQL Server Transact-SQL? If you want to use a cursor to represent the result set of a query, you need to define a cursor name with a SELECT sub-statement using the "DECLARE ... CURSOR" statement using the following syntax format: DECLARE cursor_na... 2016-10-17, 1114👍, 0💬

Change Transaction Isolation Level in MySQL
How To View and Change the Current Transaction Isolation Level in MySQL? If you want to view or change the current transaction isolation level, you can use the following commands: SELECT @@TX_ISOLATION FROM DUAL; -- Viewing the current transaction isolation level. SET TRANSACTION ISOLATION LEVEL lev... 2017-08-08, 1111👍, 0💬

"sys.columns" - Getting a List of Columns in a View in SQL Server
How To Get a List of Columns in a View using "sys.columns" in SQL Server? If you have an existing view, but you don't remember what are the columns defined in the view, you can use the "sys.columns" system view to get a list of all columns of all views in the current database. In order to a list of ... 2016-11-05, 1109👍, 0💬

General Questions on Microsoft SQL Server Transact-SQL
Where to find answers to frequently asked questions in general areas of Microsoft SQL Server Transact-SQL? I am new to Transact-SQL. Here is a list of frequently asked questions and their answers compiled by FYIcenter.com team in general areas of Microsoft SQL Server Transact-SQL: What Is SQL Langua... 2017-06-16, 1108👍, 0💬

Managing Oracle User Accounts, Schema and Privileges
Where to find answers to frequently asked questions on Managing Oracle User Accounts, Schema and Privileges? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Managing Oracle User Accounts, Schema and Privileges. Clear answers are provided with tuto... 2019-07-30, 1104👍, 0💬

Connect SQL*Plus Session to Oracle Server in Oracle
How To Connect a SQL*Plus Session to an Oracle Server in Oracle? In order to connect a SQL*Plus session to an Oracle server, you need to: 1. Obtain the connection information from the Oracle server DBA. 2. Define a new "connect identifier" called "FYI_XE" in your tnsnames.org file with the given con... 2020-08-13, 1101👍, 0💬

Data Literals in SQL Server Transact-SQL
Where to find answers to frequently asked questions on data literals in Microsoft SQL Server Transact-SQL? I am new to Transact-SQL and SQL Server. Here is a list of frequently asked questions and their answers compiled by FYIcenter.com team on data literals in Microsoft SQL Server Transact-SQL: Con... 2017-05-20, 1095👍, 0💬

sys.sql_modules - Getting Trigger Definitions Back in SQL Server
How To Get the Definition of a Trigger Back in SQL Server? If you want get the definition of an existing trigger back from the SQL Server, you can use the catalog view called sys.sql_modules, which stores definitions of views, stored procedures, and triggers. The sys.sql_modules holds trigger defini... 2016-10-24, 1089👍, 0💬

"ALTER TABLE ... DROP COLUMN" - Deleting Existing Columns in SQL Server
How To Delete an Existing Column in a Table with "ALTER TABLE ... DROP COLUMN" in SQL Server? If you have an existing column in a table and you do not need that column any more, you can delete it with "ALTER TABLE ... DROP COLUMN" statement. Here is a tutorial script to delete an existing column: AL... 2016-11-17, 1087👍, 0💬

What Is SQL Language
What Is SQL Language? SQL, SEQUEL (Structured English Query Language), is a language for RDBMS (Relational Database Management Systems). During the 1970s, a group at IBM's San Jose research center developed a database system "System R" based upon Codd's model. Structured English Query Language ("SEQ... 2017-06-16, 1085👍, 0💬

Creating Oracle PL/SQL Procedures and Functions
Where to find answers to frequently asked questions on Creating Oracle PL/SQL Procedures and Functions? Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Creating Oracle PL/SQL Procedures and Functions. It can also be used as learning tutorials on c... 2018-01-27, 1084👍, 0💬

Looping through Query Output Rows in MySQL
How To Query Tables and Loop through the Returning Rows in MySQL? The best way to query tables and loop through the returning rows is to run the SELECT statement with the mysql_query() function, catch the returning object as a result set, and loop through the result with the mysql_fetch_assoc() func... 2017-06-28, 1082👍, 0💬

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General MySQL Oracle SQL Server