说明: SQL is full of difficulties and traps for the unwary. You can avoid them if you understand relational theory, but only if you know how to put that theory into practice. In this book, Chris Date explains relational theory in depth, and demonstrates t <wdckqlc> 上传 | 大小:7mb
说明: Ever-increasing data volumes and the complexity of queries posed over the data are requiring increased processing power from the database management systems (DBMS). While modern hardware keeps offering increased parallelism and capabilities, harness <wzzf819> 上传 | 大小:3mb
说明: Oracle快速导出数据工具, 支持导出csv等格式 Valid Keywords: user = username/password@tnsname sql = SQL file name query = select statement field = separator string between fields record = separator string between records rows = print progress for every given rows (de <jawwator> 上传 | 大小:286kb