> db.inventory.distinct(“dept”) //获取dept字段的不重复值 结果:[“A”,”B”] > db.inventory.distinct(“item.sku”)//获取item子字段sku的不重复值 结果:[“111”,”222”,”333”] >db.inventory.distinct(“sizes”)//获取数组格式字段的不重复值 结果:[“M”,”S”,”L”] >db.inventory...
In Berkeley DB, PRAGMA synchronous has a different meaning to SQLite. In SQLite, with levels lower than FULL, databases may be corrupted after a failure. In Berkeley DB, databases can always be recovered to a consistent state, because write-ahead logging semantics are always enforced on the ...
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Getting I/O is frozen on database messages in Error Log Getting many FlushCache messages in SQL Error log giving hyperlink in text/nvarchar column of SQL table Got unexpected value in TDS response at offset GRANT select on function FN_DUMP_DBLOG in SQL Server without GRANTing sysadmin Grant S...
For modders starting a new Tiberian Sun mod, it is not required, but highly recommended that you begin with installing the TS Client. The new file structure directly exposes the most critical INI and MIX files of the game, meaning that you don't need to download any special tools for most...
Moreover, we stabilize attribute fetching, allowing you to expect a specific concept document structure based on your schema. This way, if the attribute type is owned with default or key cardinality (@card(0..1)or@card(1..1)), meaning that there can be at most one attribute of this ty...
What's the meaning of error code0xc004f017or simply80073cf6w/o the hex specifier?Go! What's the guid whose value is00000002-0000-0000-C000-000000000046?Go! What's the interface id (IID) ofIPreviewHandler?Go! I'm a C# developer, what's the value ofCLSID_MMDeviceEnumerator? And, please...
Meaning ?var in (value1, value2, ...) Tests if the field var’s value is one of the specified values. Values are compared strictly unlike the similar SPARQL operator, i.e. for literals to match their datatype must be exactly the same (similar to how SPARQL sameTerm works). Values ...
(pll.matching_basis, 'QUANTITY') matching_basis, pol.item_id, flv.meaning matching_basis_meaning, prl.release_num, pv.vendor_name vendor_name, NULL waybill_airbill_num, --rsh.waybill_airbill_num, NULL packing_slip, --rsl.packing_slip, NULL container_num, --rsl.container_num, pll....
Do not use jargon or technical abbreviations in headlines or the navigation. Define the meaning if you use it in the content. Do not add too many admonitions or everything ends up being a callout. Syntax Guidelines Wrap text at 80 characters where possible. This helps tremendously in version...