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Efficiently Verifying Table Existence in MySQL without Exceptions
Checking if a table exists in MySQL can be a common task. While the "SHOW TABLES LIKE" query can provide this information, it can raise exceptions if the table is not found. For cleaner code and exception handling, an alternative approach is necessary.
One optimal solution is to query the "information_schema" database, which contains metadata about all database objects. This method utilizes a prepared statement to prevent SQL injection and enhance security:
$sql = "SELECT 1 FROM information_schema.tables WHERE table_schema = database() AND table_name = ?"; $stmt = $pdo->prepare($sql); $stmt->execute([$tableName]); $exists = (bool)$stmt->fetchColumn();
In this code:
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