Preserving Trailing Spaces in String Columns : LENGTH « String « SQL / MySQL

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SQL / MySQL » String » LENGTH 
Preserving Trailing Spaces in String Columns
       
mysql>
mysql> CREATE TABLE t (c VARCHAR(255));
Query OK, rows affected (0.00 sec)

mysql> INSERT INTO t (cVALUES('ab');
Query OK, row affected (0.00 sec)

mysql> SELECT c, LENGTH(cFROM t;
+------+-----------+
| c    | LENGTH(c|
+------+-----------+
| abc  |         |
+------+-----------+
row in set (0.00 sec)

mysql>
mysql>
mysql> DROP TABLE t;
Query OK, rows affected (0.00 sec)

mysql>
mysql>
mysql> CREATE TABLE t (c TEXT);
Query OK, rows affected (0.01 sec)

mysql> INSERT INTO t (cVALUES('ab');
Query OK, row affected (0.00 sec)

mysql> SELECT c, LENGTH(cFROM t;
+------+-----------+
| c    | LENGTH(c|
+------+-----------+
| abc  |         |
+------+-----------+
row in set (0.00 sec)

mysql>
mysql> drop table t;
Query OK, rows affected (0.00 sec)

   
    
    
    
    
    
    
  
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7.Determine how many bytes are necessary for storing the data.
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