<p>要從命令行恢復(fù)數(shù)據(jù)庫(kù)，首先確認(rèn)備份文件類(lèi)型并使用合適的工具。1.確保備份文件正確：如是Navicat導(dǎo)出的.sql文件則可直接使用；若為壓縮文件需先解壓。2.根據(jù)數(shù)據(jù)庫(kù)類(lèi)型選擇工具：MySQL/MariaDB使用mysql -u [username] -p [database_name] </p> <p>Restoring a database from the command line using Navicat isn’t something you do directly <em>inside</em> Navicat itself, since Navicat is primarily a GUI tool. However, Navicat works well with command-line tools like <code>mysqldump</code> or <code>psql</code>, depending on your database type. If you're looking to restore a backup using the command line and possibly triggered by or in coordination with Navicat, here’s how to approach it.</p> <hr> <h3 id="Make-Sure-You-Have-the-Right-Backup-File">Make Sure You Have the Right Backup File</h3> <p>Before jumping into commands, confirm what kind of file you're working with:</p> <ul> <li> <strong>SQL dump files</strong> (common for MySQL, MariaDB, PostgreSQL)</li> <li> <strong>Binary backups</strong> (more advanced, usually not restored via simple CLI commands)</li> <li> <strong>Compressed files</strong> (.sql.gz or similar — need decompression first)</li> </ul> <p>If you created the backup using Navicat's export feature, it's likely an <code>.sql</code> file. This is the most straightforward to restore via command line.</p> <blockquote><p>If the backup was compressed, use <code>gunzip</code> or extract it first before proceeding.</p></blockquote> <hr> <h3 id="Use-the-Correct-Command-Line-Tool">Use the Correct Command-Line Tool</h3> <p>Depending on your database type, you'll use different tools:</p> <h4 id="For-MySQL-MariaDB">For MySQL / MariaDB:</h4><pre class='brush:php;toolbar:false;'>mysql -u [username] -p [database_name] < backup_file.sql</pre><ul><li>Replace <code>[username]</code> with your actual MySQL user.</li><li><code>[database_name]</code> should already exist unless you're importing to a new DB.</li><li>The <code><</code> symbol feeds the SQL file into the MySQL client.</li></ul><h4 id="For-PostgreSQL">For PostgreSQL:</h4><pre class='brush:php;toolbar:false;'>psql -U [username] -d [database_name] -f backup_file.sql</pre><p>You might also be prompted for a password unless you’re using a <code>.pgpass</code> file or local trust settings.</p> <blockquote><p>If you're restoring a dump made with <code>pg_dump</code>, this method works fine. Just make sure the target database exists unless the dump includes the CREATE DATABASE statement.</p></blockquote> <hr> <h3 id="Handle-Common-Issues-During-Restore">Handle Common Issues During Restore</h3> <p>Sometimes things don’t go smoothly. Here are common gotchas:</p> <ul> <li> <strong>Database doesn't exist yet:</strong> Create it first using <code>CREATE DATABASE [name];</code> via the CLI or Navicat.</li> <li> <strong>User permissions:</strong> Ensure the user has access to the target database.</li> <li> <strong>File path issues:</strong> Double-check that the terminal is in the right directory or provide the full path to the <code>.sql</code> file.</li> <li> <strong>Encoding mismatches:</strong> If you see weird characters, try specifying the charset with <code>--default-character-set=utf8mb4</code> (MySQL) or <code>\set ENCODING 'UTF8'</code> in psql.</li> </ul> <blockquote><p>If the restore process seems stuck or fails silently, run it in verbose mode if possible, or break the file into smaller chunks using text editors or scripts.</p></blockquote> <hr> <h3 id="Optional-Trigger-or-Coordinate-with-Navicat">Optional: Trigger or Coordinate with Navicat</h3> <p>While Navicat doesn’t have a built-in command-line interface, you can coordinate between Navicat and the terminal:</p> <ul> <li>Use Navicat to create the backup (export as SQL dump).</li> <li>Then switch to the terminal to restore it faster or on a remote server.</li> <li>You can also view logs or check connection details inside Navicat to ensure the CLI command uses the correct credentials.</li> </ul> <p>This hybrid workflow is especially handy when dealing with large databases or scripting automation.</p> <hr> <p>基本上就這些。只要確認(rèn)好文件類(lèi)型、使用正確的命令，恢復(fù)過(guò)程其實(shí)不復(fù)雜，但容易忽略權(quán)限或編碼設(shè)置這些細(xì)節(jié)。</p>

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