SHOW COLUMNS and DESCRIBE can display information about the columns in individual INFORMATION_SCHEMA tables. : SHOW « MySQL Utilities « MySQL Tutorial

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MySQL Tutorial » MySQL Utilities » SHOW 
26. 10. 1. SHOW COLUMNS and DESCRIBE can display information about the columns in individual INFORMATION_SCHEMA tables.

Several SHOW statements have been extended to allow a WHERE clause:

  1. SHOW CHARACTER SET
  2. SHOW COLLATION
  3. SHOW COLUMNS
  4. SHOW DATABASES
  5. SHOW FUNCTION STATUS
  6. SHOW KEYS
  7. SHOW OPEN TABLES
  8. SHOW PROCEDURE STATUS
  9. SHOW STATUS
  10. SHOW TABLE STATUS
  11. SHOW TABLES
  12. SHOW VARIABLES

The WHERE clause is evaluated against the column names displayed by the SHOW statement.

SHOW CHARACTER SET;

SHOW CHARACTER SET WHERE `Default collation` LIKE '%japanese%';

This statement displays the multi-byte character sets:

SHOW CHARACTER SET WHERE Maxlen > 1;

26. 10. SHOW
26. 10. 1. SHOW COLUMNS and DESCRIBE can display information about the columns in individual INFORMATION_SCHEMA tables.
26. 10. 2. Use the SHOW statement to find out what databases currently exist on the server:
26. 10. 3. Display all table names
26. 10. 4. SHOW CREATE TABLE statement.
26. 10. 5. SHOW INDEX FROM tbl_name
26. 10. 6. To see the structure or schema of a database
26. 10. 7. Show a detailed listing of the columns of your database.
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