MariaDB 10.6 TRIM関数で両側の半角スペースを除去するサンプル

環境
Windows 10 Home 64bit
MariaDB 10.6.4

書式
TRIM( 文字列 )
TRIM関数を使用して文字列の両側の半角スペースを除去します。

SQL構文
SELECT TRIM( ' testdata ' ),LENGTH(TRIM( ' testdata ' ))

実行結果

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MariaDB [(none)]> SELECT TRIM( ' testdata ' ),LENGTH(TRIM( ' testdata ' ));
+--------------------------+----------------------------------+
| TRIM( ' testdata ' ) | LENGTH(TRIM( ' testdata ' )) |
+--------------------------+----------------------------------+
| testdata | 8 |
+--------------------------+----------------------------------+
1 row in set (0.073 sec)
MariaDB [(none)]> SELECT TRIM( ' testdata ' ),LENGTH(TRIM( ' testdata ' )); +--------------------------+----------------------------------+ | TRIM( ' testdata ' ) | LENGTH(TRIM( ' testdata ' )) | +--------------------------+----------------------------------+ | testdata | 8 | +--------------------------+----------------------------------+ 1 row in set (0.073 sec)
MariaDB [(none)]> SELECT TRIM( '   testdata   ' ),LENGTH(TRIM( '   testdata   ' ));
+--------------------------+----------------------------------+
| TRIM( '   testdata   ' ) | LENGTH(TRIM( '   testdata   ' )) |
+--------------------------+----------------------------------+
| testdata                 |                                8 |
+--------------------------+----------------------------------+
1 row in set (0.073 sec)

 

MariaDB

Posted by arkgame