drs_start | Enables Oracle to determine whether or not the DRMON (Disaster Recovery Monitor) process should be started. | ||
gc_files_to_locks | A RAC parameter that controls the mapping of pre-release 9.0.1 parallel cache management (PCM) locks to datafiles. | ||
max_commit_propagation_delay | Used when data consistency between different RAC instances must be guaranteed and immediate i.e. if commits must be seen instantaneously on remote instances. | ||
plsql_native_library_dir | Specifies the name of a directory where the shared objects produced by the native compiler are stored. | ||
plsql_native_library_subdir_count | Specifies the number of subdirectories created by the database administrator in the directory specified by plsql_native_library_dir. | ||
sql_version | SQL language version parameter for compatibility issues. |
We'll explore scenarios involving nested queries, aggregations, custom scoring, and hybrid queries that combine multiple search criteria. 1. Nested Queries ElasticSearch Example: ElasticSearch supports nested documents, which allows for querying on nested fields with complex conditions. Query: Find products where the product has a review with a rating of 5 and the review text contains "excellent". { "query": { "nested": { "path": "reviews", "query": { "bool": { "must": [ { "match": { "reviews.rating": 5 } }, { "match": { "reviews.text": "excellent" } } ] } } } } } Redis Limitation: Redis does not support nested documents natively. While you can store nested structures in JSON documents using the RedisJSON module, querying these nested structures with complex condi...
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