মঙ্গো শেলের সমস্ত সংগ্রহ কীভাবে তালিকাভুক্ত করবেন?

মঙ্গো শেলের সমস্ত সংগ্রহ তালিকাভুক্ত করতে, আপনি getCollectionNames() ফাংশন ব্যবহার করতে পারেন।

সিনট্যাক্স নিম্নরূপ -

db.getCollectionNames();

আপনি অন্য কমান্ড ব্যবহার করতে পারেন যা সংগ্রহ। সিনট্যাক্স নিম্নরূপ -

সংগ্রহ দেখান;

মঙ্গোতে সমস্ত সংগ্রহ তালিকাভুক্ত করতে, উপরের দুটি ফাংশন ব্যবহার করুন। প্রশ্নটি নিম্নরূপ -

> db.getCollectionNames();

নিচের আউটপুট −

[ "ConvertStringToDateDemo", "IdUpdateDemo", "ProductsInformation", "addFieldDemo", "addNewFieldToEveryDocument", "arrayInnerElementsDemo", "arrayLengthGreaterThanOne", "arrayDemochange"", "arrayDmoschanges" "," chartifietContainsstringdemo "," chindifiltcontainsstringdemo "," constincentofarraydemo "," constincoundemperdembaseedemo "," constindemolectiontosamperbaseDemo "," contiftemo "," centincounce diffemo "," distectcounddemo "," distectcorrecorddemo "," distectworddmultemouse "," distectcorcorddemultemo "," "employeeInformation", "filterArray", "findAllDuplicateKeyDocumentDemo", "findByMultipleArrayDemo", "findDuplicateByKeyDemo", "findDuplicateRecordsDemo", "findSpecificValue", "findValueInArrayWithMultipleCriteriaDemo", "getLastNRecordsDemo", "getParticularElementFromArrayDemo", "getPartuclarElement", "getSizeOfArray", "groupByDateDemo ", "inc rementvalueinnedarradarrademo "," nesterlaydemo "," nechedarraydemo "," regexponiretordemo "," removearrayelement "," removearraylements "," removelotcomentdeementerraderrademo "," RemovefermDoublyDEMENEDERAYDEMO "," REMENFIELDOMPLETLYDEMO "," REMENFIELDOMPLETIMETLEMEO "," REMENFIELDOMPLETTLEMETEMO "," REPERIFIELDOMPLETTEMETEMO " , "reverseRegexDemo", "searchArrayDemo", "selectSingleFieldDemo", "singleFieldDemo", "sortDemo", "sortInnerArrayDemo", "source Collection", "stringFieldLengthDemo", "test.js", "uniqueDwinxemodemo", "uniqueDwinxdemos", "EniqueDwinxDemo" , "updateIdDemo", "updateObjects"]

মঙ্গো থেকে সমস্ত সংগ্রহ প্রদর্শন করার জন্য এখানে দ্বিতীয় প্রশ্ন রয়েছে। প্রশ্নটি নিম্নরূপ -

> সংগ্রহ দেখান;

নিচের আউটপুট −

 ConvertStringToDateDemoIdUpdateDemoProductsInformationaddFieldDemoaddNewFieldToEveryDocumentarrayInnerElementsDemoarrayLengthGreaterThanOnearrayOfArraysDemocaseInsensitiveDemochangeDataTypechangeTypecharactersAllowedDemocharactersDemocheckFieldContainsStringDemocheckSequenceDemocombinationOfArrayDemoconditionalSumDemoconvertStringToNumberDemocopyThisCollectionToSampleDatabaseDemocountDemocreateSequenceDemodistinctCountValuesDemodistinctRecordDemodistinctWithMultipleKeysDemoemployeeInformationfilterArrayfindAllDuplicateKeyDocumentDemofindByMultipleArrayDemofindDuplicateByKeyDemofindDuplicateRecordsDemofindSpecificValuefindValueInArrayWithMultipleCriteriaDemogetLastNRecordsDemogetParticularElementFromArrayDemogetPartuclarElementgetSizeOfArraygroupByDateDemoincrementValueInNestedArrayDemoinsertIfNotExistsDemonestedArrayDemonotLikeOpeartorDemoregExpOnIntegerDemoremoveArrayDemoremoveArrayElementremoveArrayElementsremoveDuplicateDocumentDemoremoveElementFromDoublyNestedArrayDemoremoveFi