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Question 318/359
What is the MOST performant file format for loading data in Snowflake?
Correct Answer: B
Parquet is a columnar storage file format that is optimized for performance in Snowflake. It is designed to be efficient for both storage and query performance, particularly for complex queries on large datasets. Parquet files support efficient compression and encoding schemes, which can lead to significant savings in storage and speed in query processing, making it the most performant file format for loading data into Snowflake.
References:
* [COF-C02] SnowPro Core Certification Exam Study Guide
* Snowflake Documentation on Data Loading1
References:
* [COF-C02] SnowPro Core Certification Exam Study Guide
* Snowflake Documentation on Data Loading1
- Question List (359q)
- Question 1: Which Snowflake view is used to support compliance auditing?...
- Question 2: True or False: Fail-safe can be disabled within a Snowflake ...
- Question 3: For the ALLOWED VALUES tag property, what is the MAXIMUM num...
- Question 4: Which Snowflake URL type is used by directory tables?...
- Question 5: Which parameter can be used to instruct a COPY command to ve...
- Question 6: What are the responsibilities of Snowflake's Cloud Service l...
- Question 7: Which command is used to lake away staged files from a Snowf...
- Question 8: Which Snowflake function is maintained separately from the d...
- Question 9: How does Snowflake reorganize data when it is loaded? (Selec...
- Question 10: Which function will provide the proxy information needed to ...
- Question 11: Data storage for individual tables can be monitored using wh...
- Question 12: What is used to diagnose and troubleshoot network connection...
- Question 13: What is the maximum total Continuous Data Protection (CDP) c...
- Question 14: A user wants to upload a file to an internal Snowflake stage...
- Question 15: What is the MAXIMUM size limit for a record of a VARIANT dat...
- Question 16: Which pages are included in the Activity area of Snowsight? ...
- Question 17: What is the purpose of multi-cluster virtual warehouses?...
- Question 18: Which Query Profile metrics will provide information that ca...
- Question 19: Which languages require that User-Defined Function (UDF) han...
- Question 20: Using variables in Snowflake is denoted by using which SQL c...
- Question 21: If 3 size Small virtual warehouse is made up of two servers,...
- Question 22: Which chart type is supported in Snowsight for Snowflake use...
- Question 23: Which command can be used to list all network policies avail...
- Question 24: Which Snowflake privilege is required on a pipe object to pa...
- Question 25: What MINIMUM privilege is required on the external stage for...
- Question 26: What virtual warehouse configuration should be used when pro...
- Question 27: The customer table in the Tl database is accidentally droppe...
- Question 28: What is the consequence of disabling auto-suspend for a Snow...
- Question 29: Which data protection feature should only be used when all o...
- Question 30: What is the MAXIMUM data retention period of transient datab...
- Question 31: Which Snowflake feature allows administrators to identify un...
- Question 32: Which metadata table will store the storage utilization info...
- Question 33: How do Snowflake data providers share data that resides in d...
- Question 34: What happens to historical data when the retention period fo...
- Question 35: Which common query problems are identified by the Query Prof...
- Question 36: Which kind of Snowflake table stores file-level metadata for...
- Question 37: Which feature allows a user the ability to control the organ...
- Question 38: Which command is used to unload data from a Snowflake databa...
- Question 39: What SnowFlake database object is derived from a query speci...
- Question 40: Which command can be performed on a Snowflake secure view?...
- Question 41: Which services does the Snowflake Cloud Services layer manag...
- Question 42: Which Snowflake feature is used for both querying and restor...
- Question 43: How long can a data consumer who has a pre-signed URL access...
- Question 44: A company needs to allow some users to see Personally Identi...
- Question 45: What is a directory table in Snowflake?...
- Question 46: There are two Snowflake accounts in the same cloud provider ...
- Question 47: In addition to performing all the standard steps to share da...
- Question 48: How many credits does a size 3X-Large virtual warehouse cons...
- Question 49: True or False: It is possible for a user to run a query agai...
- Question 50: What data is stored in the Snowflake storage layer? (Select ...
- Question 51: What feature of Snowflake Continuous Data Protection can be ...
- Question 52: What is the MINIMUM role required to set the value for the p...
- Question 53: User-level network policies can be created by which of the f...
- Question 54: What role is required to use Partner Connect?...
- Question 55: How does Snowflake allow a data provider with an Azure accou...
- Question 56: For which use cases is running a virtual warehouse required?...
- Question 57: Snowflake's access control framework combines which models f...
- Question 58: Which views are included in the DATA SHARING USAGE schema? (...
- Question 59: What causes objects in a data share to become unavailable to...
- Question 60: Which objects will incur storage costs associated with Fail-...
- Question 61: What type of columns does Snowflake recommend to be used as ...
- Question 62: Which SQL command can be used to see the CREATE definition o...
- Question 63: A column named "Data" contains VARIANT data and stores value...
- Question 64: What value provides information about disk usage for operati...
- Question 65: Which drivers or connectors are supported by Snowflake? (Sel...
- Question 66: In which hierarchy is tag inheritance possible?...
- Question 67: What happens when a suspended virtual warehouse is resized i...
- Question 68: True or False: A 4X-Large Warehouse may, at times, take long...
- Question 69: A Snowflake user has been granted the create data EXCHANGE l...
- Question 70: A user has unloaded data from a Snowflake table to an extern...
- Question 71: What is a best practice after creating a custom role?...
- Question 72: How can a Snowflake user traverse semi-structured data?...
- Question 73: What will happen if a Snowflake user increases the size of a...
- Question 74: Network policies can be applied to which of the following Sn...
- Question 75: Use of which virtual warehouse or warehouse configuration wi...
- Question 76: A JSON file, that contains lots of dates and arrays, needs t...
- Question 77: What are key characteristics of virtual warehouses in Snowfl...
- Question 78: How would a user execute a series of SQL statements using a ...
- Question 79: Which of the following accurately describes shares?...
- Question 80: Which columns are part of the result set of the Snowflake LA...
- Question 81: Which Snowflake table supports unstructured data?...
- Question 82: A Snowflake user wants to optimize performance for a query t...
- Question 83: Which of the following is an example of an operation that ca...
- Question 84: Which statement describes how Snowflake supports reader acco...
- Question 85: How many network policies can be assigned to an account or s...
- Question 86: When floating-point number columns are unloaded to CSV or JS...
- Question 87: When used with the UNLOAD command, which parameter specifies...
- Question 88: How does Snowflake handle the data retention period for a ta...
- Question 89: What can be used to process unstructured data?...
- Question 90: What is the purpose of the Snowflake SPLIT TO_TABLE function...
- Question 91: Which functions can be used to automatically detect and gene...
- Question 92: A user wants to access stored in a stage without authenticat...
- Question 93: The property mins_to_bypass_network_policy is set at which l...
- Question 94: What does Snowflake recommend when planning virtual warehous...
- Question 95: In Snowflake's data security framework, how does column-leve...
- Question 96: Which Snowflake objects can be restored using Time Travel? (...
- Question 97: Which of the following are best practices for loading data i...
- Question 98: The fail-safe retention period is how many days?...
- Question 99: Which statistics on a Query Profile reflect the efficiency o...
- Question 100: What is the difference between a stored procedure and a User...
- Question 101: How long does Snowflake retain information in the ACCESS HIS...
- Question 102: What does a table with a clustering depth of 1 mean in Snowf...
- Question 103: What transformations are supported when loading data into a ...
- Question 104: Which Snowflake database object can be used to track data ch...
- Question 105: When unloading data with the COPY into <location> comm...
- Question 106: Which governance feature is supported by all Snowflake editi...
- Question 107: Why would a Snowflake user load JSON data into a VARIANT col...
- Question 108: Which Snowflake feature or service is primarily used for man...
- Question 109: Which command removes a role from another role or a user in ...
- Question 110: Which JSON paths are considered to be equivalent in Snowflak...
- Question 111: Which data types are supported by Snowflake when using semi-...
- Question 112: Which of the following are characteristics of security in Sn...
- Question 113: What object does Snowflake recommend using when planning to ...
- Question 114: Which Snowflake governance feature allows users to assign me...
- Question 115: What are the least privileges needed to view and modify reso...
- Question 116: What are supported file formats for unloading data from Snow...
- Question 117: Which user object property requires contacting Snowflake Sup...
- Question 118: How can a user change which columns are referenced in a view...
- Question 119: If queries start to queue in a multi-cluster virtual warehou...
- Question 120: A Snowflake user wants to design a series of transformations...
- Question 121: A Snowflake user accidentally deleted a table. The table no ...
- Question 122: What is the MAXIMUM Time Travel retention period for a trans...
- Question 123: Which Snowflake object contains all the information required...
- Question 124: Which REST API can be used with unstructured data?...
- Question 125: Which Snowflake layer is associated with virtual warehouses?...
- Question 126: Which of the following features are available with the Snowf...
- Question 127: What privileges are required to activate a network policy fo...
- Question 128: What versions of Snowflake should be used to manage complian...
- Question 129: Which Snowflow object does not consume and storage costs?...
- Question 130: What are characteristic of Snowsight worksheet? (Select TWO....
- Question 131: What is the MINIMUM Snowflake edition required to add maskin...
- Question 132: A company strongly encourages all Snowflake users to self-en...
- Question 133: Which user preferences can be set for a user profile in Snow...
- Question 134: What activities can a user with the ORGADMIN role perform? (...
- Question 135: Which methods can be used to delete staged files from a Snow...
- Question 136: Where does Snowflake store the data output from a query that...
- Question 137: Which Snowflake objects use storage? (Select TWO)....
- Question 138: What happens to historical data when the retention period fo...
- Question 139: Which Snowflake feature records changes mace to a table so a...
- Question 140: What is the minimum Snowflake edition required to use Dynami...
- Question 141: Which function is used to convert rows in a relational table...
- Question 142: Which statements describe benefits of Snowflake's separation...
- Question 143: What does SnowCD help Snowflake users to do?...
- Question 144: What happens when an external or an internal stage is droppe...
- Question 145: When do Snowflake object owners lose their ability to make g...
- Question 146: A user has a standard multi-cluster warehouse auto-scaling p...
- Question 147: What is the purpose of the STRIP NULL_VALUES file format opt...
- Question 148: A company's security audit requires generating a report list...
- Question 149: What do temporary and transient tables have m common in Snow...
- Question 150: Which task is supported by the use of Access History in Snow...
- Question 151: What operations can be performed while loading a simple CSV ...
- Question 152: Which virtual warehouse configuration requires the maximum n...
- Question 153: Which of the following describes how multiple Snowflake acco...
- Question 154: Which Snowflake function will interpret an input string as a...
- Question 155: Which is a best practice recommendation when planning to loa...
- Question 156: Which languages requite that User-Defined Function (UDF) han...
- Question 157: What is the MINIMUM Snowflake edition required to use the qu...
- Question 158: Multiple business units within a company use a single Snowfl...
- Question 159: Which Snowflake data types can be used to build nested hiera...
- Question 160: Which table function will identify data that was loaded usin...
- Question 161: What is the default character set used when loading CSV file...
- Question 162: What is the MINIMUM Snowflake edition required to use the pe...
- Question 163: Which role has the ability to create and manage users and ro...
- Question 164: Which query profile statistics help determine if efficient p...
- Question 165: The first user assigned to a new account, ACCOUNTADMIN, shou...
- Question 166: What is the purpose of the use of the VALIDATE command?...
- Question 167: A query is using more credits than expected. The Query Profi...
- Question 168: How can a 5 GB table be downloaded into a single file MOST e...
- Question 169: Which transformation is supported by a COPY INTO <table&g...
- Question 170: Which activities are managed by Slowflake's Cloud Services l...
- Question 171: A directory table that references an external stage is being...
- Question 172: What is the MINIMUM Snowflake edition required it a user nee...
- Question 173: Which clause is used to define a function that may return di...
- Question 174: How does the authorization associated with a pre-signed URL ...
- Question 175: Which function should be used to insert JSON format string d...
- Question 176: Which use case does the search optimization service support?...
- Question 177: How can a Snowflake user validate data that is unloaded usin...
- Question 178: What is the recommended file sizing for data loading using S...
- Question 179: In an auto-scaling multi-cluster virtual warehouse with the ...
- Question 180: What Snowflake feature provides a data hub for secure data c...
- Question 181: When should a multi-cluster warehouse be used in auto-scalin...
- Question 182: A clustering key was defined on a table, but It is no longer...
- Question 183: In a managed access schema, only the schema owner or a role ...
- Question 184: What function can be used with the recursive argument to ret...
- Question 185: In Snowflake, the use of federated authentication enables wh...
- Question 186: Which statement describes pruning?...
- Question 187: When unloading data to an external stage, what is the MAXIMU...
- Question 188: Which categories are included in the execution time summary ...
- Question 189: What is a fundamental characteristic of Snowflake micro-part...
- Question 190: What is the Fail-safe period for a transient table in the Sn...
- Question 191: How can a dropped internal stage be restored?...
- Question 192: How would you determine the size of the virtual warehouse us...
- Question 193: What is one of the characteristics of data shares?...
- Question 194: What is the purpose of using the OBJECT_CONSTRUCT function w...
- Question 195: Which command is used to remove files from either external c...
- Question 196: What is a machine learning and data science partner within t...
- Question 197: Which Snowflake table is an implicit object layered on a sta...
- Question 198: Which Snowflake table type persists until it is explicitly d...
- Question 199: A Snowflake table that is loaded using a Kafka connector has...
- Question 200: In which Snowflake layer does Snowflake reorganize data into...
- Question 201: What are the correct parameters for time travel and fail-saf...
- Question 202: A network policy applied at the user level takes precedence ...
- Question 203: A Snowflake user has two tables that contain numeric values ...
- Question 204: A user created a new worksheet within the Snowsight Ul and w...
- Question 205: How should the SPLIT_TO_TABLE (<string>, <delimiter...
- Question 206: Which type of workload traditionally benefits from the use o...
- Question 207: What feature can be used to reorganize a very large table on...
- Question 208: Which data types optimally store semi-structured data? (Sele...
- Question 209: Which access control entity in Snowflake can be created as p...
- Question 210: Which object can be shared using Secure Data Sharing?...
- Question 211: When will Snowflake charge credits for the use of the Cloud ...
- Question 212: What actions can be performed by a consumer account on a sha...
- Question 213: Which of the following Snowflake objects can be shared using...
- Question 214: Which command sets the Virtual Warehouse for a session?...
- Question 215: How can a user improve the performance of a single large com...
- Question 216: A Snowflake account administrator has set the resource monit...
- Question 217: How does Snowflake handle the bulk unloading of data into si...
- Question 218: What function, combined with the copy command, should be use...
- Question 219: What affects whether the query results cache can be used?...
- Question 220: How would a user run a multi-cluster warehouse in maximized ...
- Question 221: Which of the following conditions must be met in order to re...
- Question 222: Which semi-structured file formats are supported when unload...
- Question 223: When cloning a database containing stored procedures and reg...
- Question 224: Based on a review of a Query Profile, which scenarios will b...
- Question 225: Which data types can be used in Snowflake to store semi-stru...
- Question 226: Which data type can store more than one type of data structu...
- Question 227: Which privilege is required for a role to be able to resume ...
- Question 228: How can a Snowflake user automate virtual warehouse operatio...
- Question 229: What statistical information in a Query Profile indicates th...
- Question 230: At what level is the MIN_DATA_RETENTION_TIME_IN_DAYS paramet...
- Question 231: Which Snowflake SQL statement would be used to determine whi...
- Question 232: Which URL provides access to files in Snowflake without auth...
- Question 233: Which object can be used with Secure Data Sharing?...
- Question 234: When using the ALLOW CLIENT_MFA_CACHING parameter, how long ...
- Question 235: What type of account can be used to share data with a consum...
- Question 236: Which table function should be used to view details on a Dir...
- Question 237: Which of the following are handled by the cloud services lay...
- Question 238: A permanent table and temporary table have the same name, TB...
- Question 239: Which Snowflake feature allows a user to substitute a random...
- Question 240: When loading data into Snowflake, how should the data be org...
- Question 241: A JSON document is stored in the source_colum of type VARIAN...
- Question 242: Which configuration of the function PARSE_JSON (<expr>...
- Question 243: Use of which file function allows a user to share unstructur...
- Question 244: Which account usage view can be used to identify the masking...
- Question 245: Which items are considered schema objects in Snowflake? (Sel...
- Question 246: What effect does WAIT_FOR_COMPLETION = TRUE have when runnin...
- Question 247: What would cause different results to be returned when runni...
- Question 248: What impacts the credit consumption of maintaining a materia...
- Question 249: Which snowflake objects will incur both storage and cloud co...
- Question 250: Which file function provides a URL with access to a file on ...
- Question 251: For Directory tables, what stage allows for automatic refres...
- Question 252: A user has 10 files in a stage containing new customer data....
- Question 253: Which of the following statements apply to Snowflake in term...
- Question 254: What service is provided as an integrated Snowflake feature ...
- Question 255: Given the statement template below, which database objects c...
- Question 256: What is the maximum Time Travel retention period for a tempo...
- Question 257: How does Snowflake recommend defining a clustering key on a ...
- Question 258: When reviewing the load for a warehouse using the load monit...
- Question 259: User INQUISITIVE_PERSON has been granted the role DATA_SCIEN...
- Question 260: Which query types will have significant performance improvem...
- Question 261: Which privilege is required for a user to be able to view a ...
- Question 262: A user needs to create a materialized view in the schema MYD...
- Question 263: Which steps will help optimize query performance? (Select TW...
- Question 264: Will data cached in a warehouse be lost when the warehouse i...
- Question 265: Which of the following statements describes a schema in Snow...
- Question 266: Which schema-level objects allow the user to periodically pe...
- Question 267: Which Snowflake storage object can be used to store data bey...
- Question 268: While running a query on a virtual warehouse in auto-scale m...
- Question 269: What is the minimum Snowflake Edition that supports secure s...
- Question 270: What is an advantage of using an explain plan instead of the...
- Question 271: What is the impact of selecting one Snowflake edition over a...
- Question 272: How can an administrator check for updates (for example, SCI...
- Question 273: Two users share a virtual warehouse named wh dev 01. When on...
- Question 274: How are network policies defined in Snowflake?...
- Question 275: Which of the following are characteristics of Snowflake virt...
- Question 276: What can the Snowflake SCIM API be used to manage? (Select T...
- Question 277: How long is the Fail-safe period for temporary and transient...
- Question 278: Authorization to execute CREATE <object> statements co...
- Question 279: By default, which role can create resource monitors?...
- Question 280: What can a Snowflake user do with the information included i...
- Question 281: What best practice recommendations will help prevent timeout...
- Question 282: When referring to User-Defined Function (UDF) names in Snowf...
- Question 283: A Snowflake user is trying to load a 125 GB file using SnowS...
- Question 284: What happens to the privileges granted to Snowflake system-d...
- Question 285: Which command can be used to stage local files from which Sn...
- Question 286: When a Snowflake user loads CSV data from a stage, which cop...
- Question 287: Which privilege is required on a virtual warehouse to abort ...
- Question 288: Query compilation occurs in which architecture layer of the ...
- Question 289: Which URL type allows users to access unstructured data with...
- Question 290: Which common query issues can be identified by the Query Pro...
- Question 291: Which of the following objects can be shared through secure ...
- Question 292: How does a Snowflake stored procedure compare to a User-Defi...
- Question 293: Which of the following describes a Snowflake stored procedur...
- Question 294: Which commands are restricted in owner's rights stored proce...
- Question 295: Which statement accurately describes a characteristic of a m...
- Question 296: How many resource monitors can be assigned at the account le...
- Question 297: Which Snowflake feature can be used to find sensitive data i...
- Question 298: Which security models are used in Snowflake to manage access...
- Question 299: A JSON object is loaded into a column named data using a Sno...
- Question 300: A user with which privileges can create or manage other user...
- Question 301: When should a user consider disabling auto-suspend for a vir...
- Question 302: Which system_defined Snowflake role has permission to rename...
- Question 303: Which Snowflake architectural layer is responsible for a que...
- Question 304: A virtual warehouse's auto-suspend and auto-resume settings ...
- Question 305: Who can create network policies within Snowflake? (Select TW...
- Question 306: How does Snowflake recommend handling the bulk loading of da...
- Question 307: Which function should be used to find the query ID of the se...
- Question 308: Which Snowflake command can be used to unload the result of ...
- Question 309: Which table function is used to perform additional processin...
- Question 310: When used with a select statement in the copy into <locat...
- Question 311: Which type of charts are supported by Snowsight? {Select TWO...
- Question 312: What is the default access of a securable object until other...
- Question 313: A materialized view should be created when which of the foll...
- Question 314: What does the TableScan operator represent in the Query Prof...
- Question 315: Which of the following describes how clustering keys work in...
- Question 316: If a virtual warehouse runs for 61 seconds, shuts down, and ...
- Question 317: How can a data provider validate that a secure view is confi...
- Question 318: What is the MOST performant file format for loading data in ...
- Question 319: What can a user win a reader account do in Snowflake?...
- Question 320: Where can a user find and review the failed logins of a spec...
- Question 321: Regardless of which notation is used, what are consideration...
- Question 322: What should be considered when deciding to use a secure view...
- Question 323: How long is a query visible in the Query History page in the...
- Question 324: How is Single Sign-On (SSO) authentication used in Snowflake...
- Question 325: True or False: Reader Accounts are able to extract data from...
- Question 326: What are advantages clones have over tables created with CRE...
- Question 327: How are serverless features billed?...
- Question 328: What is the name of the SnowSQLfile that can store connectio...
- Question 329: Which statements are true concerning Snowflake's underlying ...
- Question 330: Which Snowflake function will parse a JSON-null into a SQL-n...
- Question 331: Snowflake's hierarchical key mode includes which keys? (Sele...
- Question 332: Which type of join will list a I rows in the specified table...
- Question 333: Which is the MINIMUM required Snowflake edition that a user ...
- Question 334: During periods of warehouse contention which parameter contr...
- Question 335: What is the MINIMUM permission needed to access a file URL f...
- Question 336: Which activities are included in the Cloud Services layer? {...
- Question 337: Who can activate and enforce a network policy for all users ...
- Question 338: Which features are included in Snowsight? (Select TWO)...
- Question 339: What metadata does Snowflake store for rows in micro-partiti...
- Question 340: The following settings are configured: THE MIN_DATA_RETENTIO...
- Question 341: When unloading data, which file format preserves the data va...
- Question 342: Awarding a user which privileges on all virtual warehouses i...
- Question 343: When does Snowflake automatically encrypt data that is loade...
- Question 344: Which Snowsight feature can be used to perform data manipula...
- Question 345: Which services does the Snowflake Cloud Services layer manag...
- Question 346: What does the LATERAL modifier for the FLATTEN function do?...
- Question 347: Which statistics are displayed in a Query Profile that indic...
- Question 348: Which SQL command can be used to verify the privileges that ...
- Question 349: What happens when a virtual warehouse is resized?...
- Question 350: Which of the following describes the Snowflake Cloud Service...
- Question 351: Which of the following activities consume virtual warehouse ...
- Question 352: Which features make up Snowflake's column level security? (S...
- Question 353: What are ways to create and manage data shares in Snowflake?...
- Question 354: Which objects together comprise a namespace in Snowflake? (S...
- Question 355: Which privilege is required to use the search optimization s...
- Question 356: What persistent data structures are used by the search optim...
- Question 357: How do secure views compare to non-secure views in Snowflake...
- Question 358: What kind of authentication do Snowpipe REST endpoints use?...
- Question 359: What objects in Snowflake are supported by Dynamic Data Mask...
