General MySQL Oracle SQL Server

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JSON_STORAGE_SIZE() - Storage Size of JSON Value
How to calculate the storage size of a JSON (JavaScript Object Notation) value using the JSON_STORAGE_SIZE() function? JSON_STORAGE_SIZE(json) is a MySQL built-in function that calculates the storage size of a JSON (JavaScript Object Notation) value or table column. For example: SELECT JSON_STORAGE_... 2025-03-12, 8063🔥, 0💬

Starting MySQL Server in MySQL
How To Start MySQL Server in MySQL? If you want to start the MySQL server, you can run the "mysqld" program in a command window as shown in the following tutorial: &gt;cd \mysql\bin &gt;mysqld "mysqld" will run quietly without printing any message in you command window. So you will see nothi... 2018-06-12, 8027🔥, 0💬

Unicode Character String Literals in SQL Server Transact-SQL
How To Enter Unicode Character String Literals in SQL Server Transact-SQL? Unicode characters are multi-byte characters. They are very hard to be entered as string literals, because it requires: The SQL client tool to support Unicode characters. The command line tool 'sqlcmd' does not support Unicod... 2019-12-05, 8010🔥, 1💬

💬 2019-12-05 gopala krishna: gopala krishna

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, 7538🔥, 0💬

Inserting New Line Characters into Strings in SQL Server
How To Insert New Line Characters into Strings in SQL Server Transact-SQL? If you want to break a string into multiple lines, you need to insert new line characters into the string. With some client tools like SQL Server Management Studio, it is not so easy to insert a new line character. One work a... 2022-05-12, 7475🔥, 1💬

sys.procedures - Listing All Stored Procedures in SQL Server
How To List All Stored Procedures in the Current Database in SQL Server Transact-SQL? If you want to see a list of stored procedures in your current database, you can use the system view, sys.procedures as shown in this tutorial exercise: USE FyiCenterData; GO SELECT * FROM sys.procedures; GO Name o... 2017-01-05, 7432🔥, 0💬

Convert Character Strings to Numbers in Oracle
How To Convert Characters to Numbers in Oracle? You can convert characters to numbers by using the TO_NUMBER() function as shown in the following examples: SELECT TO_NUMBER('4123.4570') FROM DUAL 4123.457 SELECT TO_NUMBER(' $4,123.46','$9,999,999.99') FROM DUAL 4123.46 SELECT TO_NUMBER(' -4.12E+03')... 2020-03-25, 7393🔥, 0💬

Error: Deadlock Found When Trying to Get Lock in MySQL
What Happens to Your Transactions When ERROR 1213 Occurred in MySQL? If your transaction receives the "Deadlock found when trying to get lock" - ERROR 1213, MySQL server automatically terminates your transaction and rolls back your data changes of the entire transaction. This is why the error messag... 2017-07-21, 7094🔥, 0💬

sys.sql_modules - Getting Stored Procedure Definitions Back in SQL Server
How To Get the Definition of a Stored Procedure Back in SQL Server Transact-SQL? If you want get the definition of an existing stored procedure back from the SQL Server, you can use the system view called sys.sql_modules, which stores definitions of views and stored procedures. The sys.sql_modules h... 2017-01-05, 7011🔥, 0💬

Assign Debug Privilege to a User in Oracle
How To Assign Debug Privileges to a User in Oracle? In order to run SQL Developer in debug mode, the session must be connected with a user who has debug privileges. The following script shows you how to assign debug privileges: Connect to the default database, XE, as SYSTEM. Run "GRANT debug any pro... 2019-01-12, 6994🔥, 0💬

sys.database_principals - Listing All User Names in SQL Server
How To List All User Names in a Database in SQL Server? If you want to see a list of all user names defined in a database, you can use the system view, sys.database_principals as shown in this tutorial exercise: -- Login with sa -- Select a database USE FyiCenterData; GO -- List all user names SELEC... 2017-08-25, 6583🔥, 0💬

sys.server_principals - Listing All Login Names in SQL Server
How To List All Login Names on the Server in SQL Server? If you want to see a list of all login names defined on the server, you can use the system view, sys.server_principals as shown in this tutorial exercise: -- Login with sa SELECT name, sid, type, type_desc FROM sys.server_principals WHERE type... 2016-10-20, 6533🔥, 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, 6523🔥, 0💬

Downloading SQL Server 2005 Express Edition in SQL Server
How to download Microsoft SQL Server 2005 Express Edition in SQL Server? Microsoft SQL Server 2005 Express Edition is the free version of the Microsoft SQL Server 2005. If you are interested to try SQL Server 2005, you should follow this tutorial to download Microsoft SQL Server 2005 Express Edition... 2016-12-08, 6523🔥, 0💬

Ending Stored Procedures Properly in SQL Server
How To End a Stored Procedure Properly in SQL Server Transact-SQL? Where the end of the "CREATE PROCEDURE" statement structure? The answer is simple, the end of the statement batch. Even if you are using a "BEGIN ... END" statement block, the stored procedure structure is not going to end at the end... 2017-01-05, 6518🔥, 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... 2022-04-30, 6458🔥, 5💬

💬 2022-04-30 sarot: for using

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, 6458🔥, 0💬

Fixing INSERT Command Denied Error in MySQL
How To Fix the INSERT Command Denied Error in MySQL? The reason for getting the "1142: INSERT command denied" error is that your user account does not have the INSERT privilege on the table or database. To resolve this error, you need to ask your MySQL DBA to grant you the right privilege. Your DBA ... 2017-10-08, 6366🔥, 0💬

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, 6355🔥, 0💬

Show Privileges of the Current User in Oracle
How To Find Out What Privileges a User Currently Has in Oracle? Privileges granted to users are listed in two system views: DBA_SYS_PRIVS, and USER_SYS_PRIVS. You can find out what privileges a user currently has by running a query on those views as shown in the tutorial exercise below: &gt;.\bi... 2019-06-11, 6353🔥, 0💬

Converting Binary Strings into Integers in SQL Server
How To Convert Binary Strings into Integers in SQL Server Transact-SQL? Binary strings and integers are convertible implicitly and explicitly. But there several rules you need to remember: Binary strings will be implicitly converted into an integer data type, if it is involved in an arithmetical ope... 2017-02-28, 6339🔥, 0💬

"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, 6300🔥, 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, 6243🔥, 0💬

DYNAMIC - Creating Dynamic Cursors in SQL Server
How To Create a Dynamic Cursor with the DYNAMIC Option in SQL Server Transact-SQL? If the underlying table is changed after the cursor is opened, should the changes be reflected in the cursor result set? The answer is based on the update option used when creating the cursor. SQL SERVER supports two ... 2016-10-17, 6200🔥, 0💬

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General MySQL Oracle SQL Server