DATABASE() - Name of Current Database

Q

How to obtain the name of the current database using the DATABASE() function?

✍: FYIcenter.com

A

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      |
  -- +------------+

Reference information of the DATABASE() function:

DATABASE(): name
  Returns the name of the current database.

Arguments, return value and availability:
  name: Return value. The name of the current database.
  Available since MySQL 4.0.

⇒ FOUND_ROWS() - Row Count from Last SELECT Statement

⇐ CURRENT_USER() - Authentication Name of Current User

⇑ MySQL Functions on System Information

⇑⇑ MySQL Function References

2023-12-18, 796🔥, 0💬

PS_CURRENT_THREAD_ID() - PS Thread ID of Current Connect
How to obtain the performance schema thread id of the current connection using the PS_CURRENT_THREAD_ID() function? PS_CURRENT_THREAD_ID() is a MySQL built-in function that returns the performance schema thread id of the current connection. For example: SELECT PS_CURRENT_THREAD_ID(); -- +-----------... 2025-02-16, 1425🔥, 0💬

PS_THREAD_ID() - PS Thread ID of Given Connect
How to obtain the performance schema thread id of a given connection using the PS_THREAD_ID() function? PS_THREAD_ID(con) is a MySQL built-in function that returns the performance schema thread id of a given connection. For example: SELECT CONNECTION_ID(); -- +-----------------+ -- | CONNECTION_ID()... 2025-02-16, 1314🔥, 0💬

ROLES_GRAPHML() - User Role Graph in GraphML Format
How to obtain User Role Graph in GraphML Format using the ROLES_GRAPHML() function? ROLES_GRAPHML() is a MySQL built-in function that returns user role graph in GraphML format. For example: SELECT ROLES_GRAPHML(); -- +----------------------------- ------------------------------ ---------+-- | ROLES_G... 2025-02-16, 1251🔥, 0💬

ICU_VERSION() - ICU (International Components for Unicode) Version
How to obtain the version number of the ICU (International Components for Unicode) library using the ICU_VERSION() function? ICU_VERSION() is a MySQL built-in function that returns the version number of the ICU (International Components for Unicode) library. For example: SELECT ICU_VERSION(); -- +--... 2025-04-11, 1237🔥, 0💬

FOUND_ROWS() - Row Count from Last SELECT Statement
How to obtain the number of rows found by the last SELECT statement using the FOUND_ROWS() function? FOUND_ROWS() is a MySQL built-in function that returns the number of rows found by the last SELECT statement. For example: SELECT help_topic_id, name FROM mysql.help_topic; -- +---------------+------... 2025-04-11, 1217🔥, 0💬

LAST_INSERT_ID() - Last Value of AUTO_INCREMENT Column
How to obtain the last inserted value of an AUTO_INCREMENT column using the LAST_INSERT_ID() function? LAST_INSERT_ID() is a MySQL built-in function that returns the last inserted value of an AUTO_INCREMENT column. For example: CREATE TABLE MyTable (id INTEGER AUTO_INCREMENT, comment CHAR(80), PRIMA... 2025-04-11, 1170🔥, 0💬

CRC32() - Cyclic Redundancy Check 32-Bit
How to calculate the 32-bit CRC (Cyclic Redundancy Check) value using the CRC32() function? CRC32(str) is a MySQL built-in function that calculates the 32-bit CRC (Cyclic Redundancy Check) value of a given character string and returns it as an integer. For example: SELECT CRC32('MySQL'), HEX(CRC32('... 2024-07-15, 908🔥, 0💬

MySQL Functions on System Information
Where to find reference information and tutorials on MySQL database functions on System Information? I want to know how to use DATABASE(), VERSION() and other functions. Here is a collection of reference information and tutorials on MySQL database functions on System Information compiled by FYIcente... 2024-07-15, 896🔥, 0💬

BENCHMARK() - Repeating Expression Evaluation
How to evaluate an expression repeatedly for benchmark testing using the BENCHMARK() function? BENCHMARK(count, exp) is a MySQL built-in function that evaluates an expression repeatedly for benchmark testing and returns 0. For example: SELECT BENCHMARK(1000000, AES_ENCRYPT('hello','goodbye') );-- +-... 2024-07-17, 837🔥, 2💬

💬 2024-07-17 Iqra Technology: This is a great overview of the `BENCHMARK()` function in MySQL! Your examples clearly illustrate how it can be used to evaluate...

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.