Create an SQC file to execute the main query.
创建一个SQC文件来执行主查询。
You cannot use multiple external tables in the main query.
不能在主查询中使用多个外部表。
Each sggrep command can specify both the main query and a subquery.
每一个sggrep命令可以同时指定主查询和子查询。
Find the package and section information for the main query from the catalog tables.
从目录表中查找主查询的包和片段信息。
Longer term, look for Solr to add FieldTypes for better support of sorting without needing to zero out the main query.
从长远看，希望Solr添加FieldType来更好地支持排序，而不需清零主要查询。
The query above contains a correlated subquery, since the main query and the subquery are relaying on the same table, the employees table.
以上查询包含一个相关子查询，因为主查询和子查询依靠于同一个表，即employees表。
The query above contains a correlated subquery, since the main query and the subquery are relaying on the same table, the employees table.
以上查询包含一个相关子查询，因为主查询和子查询依靠于同一个表，即employees表。
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