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Comprehensive SQL timestamp examples for MySQL, PostgreSQL, Oracle, and SQLite. Production-ready database timestamp queries with syntax differences and best practices.
SQL examples for timestamp operations across different database systems
SELECT UNIX_TIMESTAMP() AS current_timestamp;Get current time as Unix timestamp (seconds since epoch)
SELECT NOW() AS current_datetime;Get current date and time in DATETIME format
SELECT CURDATE() AS current_date;Get current date without time component
SELECT CURTIME() AS current_time;Get current time without date component
SQL examples are database-specific and may need adjustment for your schema
Always test queries in a development environment first
了解更多关于这个强大工具
此工具为您的时间戳需求提供基本功能。
旨在帮助您高效处理时间戳。
节省时间并提高时间戳操作的准确性。
Discover what makes this tool powerful
Comprehensive SQL timestamp examples for MySQL, PostgreSQL, Oracle, and SQLite with database-specific syntax, functions, and best practices for each system.
Organized SQL timestamp examples by function: current time, conversion, arithmetic, extraction, formatting, and timezone handling for easy navigation.
All SQL timestamp queries are ready to copy and paste into your database client or application. Complete with explanations and usage examples.
Professional SQL timestamp examples with proper error handling, performance considerations, and best practices for production database environments.
SQL timestamp examples include security best practices, parameterized queries, and protection against SQL injection vulnerabilities.
Optimized SQL timestamp queries with indexing recommendations, efficient date arithmetic, and performance best practices for large datasets.
专业级时间戳处理，企业级可靠性
简单步骤有效使用此时间戳工具
在工具提供的输入字段中输入您的时间戳或日期值。
选择您首选的输出格式和任何转换的附加选项。
以高准确性和精度即时查看转换结果。
将结果复制到剪贴板，并在您的应用程序或项目中使用。
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