使用 PHP 显示 MySQL 数据库中的所有表？
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Show all tables inside a MySQL database using PHP?
提问by Jadar
I'm trying to show all the tables in my database. I've tried this:
我试图显示我的数据库中的所有表。我试过这个：
$sql = "SHOW TABLES";
$result = $conn->query($sql);
$tables = $result->fetch_assoc();
foreach($tables as $tmp)
{
echo "$tmp <br>";
}
but it only gives me one table name in a database I know has 2. What am I doing wrong?
但它只给了我一个数据库中的一个表名，我知道有 2 个。我做错了什么？
回答by Jason Heo
How to get tables
如何获得桌子
1. SHOW TABLES
1. SHOW TABLES
mysql> USE test;
Database changed
mysql> SHOW TABLES;
+----------------+
| Tables_in_test |
+----------------+
| t1 |
| t2 |
| t3 |
+----------------+
3 rows in set (0.00 sec)
2. SHOW TABLES IN db_name
2. SHOW TABLES IN db_name
mysql> SHOW TABLES IN another_db;
+----------------------+
| Tables_in_another_db |
+----------------------+
| t3 |
| t4 |
| t5 |
+----------------------+
3 rows in set (0.00 sec)
3. Using information schema
3. 使用信息模式
mysql> SELECT TABLE_NAME
FROM information_schema.TABLES
WHERE TABLE_SCHEMA = 'another_db';
+------------+
| TABLE_NAME |
+------------+
| t3 |
| t4 |
| t5 |
+------------+
3 rows in set (0.02 sec)
to OP
到操作
you have fetched just 1 row. fix like this:
您只提取了 1 行。像这样修复：
while ( $tables = $result->fetch_array())
{
echo $tmp[0]."<br>";
}
and I think, information_schema would be better than SHOW TABLES
我认为，information_schema 会比 SHOW TABLES
SELECT TABLE_NAME
FROM information_schema.TABLES
WHERE TABLE_SCHEMA = 'your database name'
while ( $tables = $result->fetch_assoc())
{
echo $tables['TABLE_NAME']."<br>";
}
回答by kurt
Try this:
尝试这个：
SHOW TABLES FROM nameOfDatabase;
回答by Tim Duncklee
SHOW TABLE_NAME is not valid. Try SHOW TABLES
SHOW TABLE_NAME 无效。尝试显示表
TD
TD
回答by Hyman
SHOW TABLES only lists the non-TEMPORARY tables in a given database.
SHOW TABLES 仅列出给定数据库中的非临时表。
回答by amit
<?php
$dbname = 'mysql_dbname';
if (!mysql_connect('mysql_host', 'mysql_user', 'mysql_password')) {
echo 'Could not connect to mysql';
exit;
}
$sql = "SHOW TABLES FROM $dbname";
$result = mysql_query($sql);
if (!$result) {
echo "DB Error, could not list tables\n";
echo 'MySQL Error: ' . mysql_error();
exit;
}
while ($row = mysql_fetch_row($result)) {
echo "Table: {$row[0]}\n";
}
mysql_free_result($result);
?>
//Try This code is running perfectly !!!!!!!!!!
