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NEW QUESTION: 1
You are building a pipeline to process time-series data. Which Google Cloud Platform services should you put in boxes 1,2,3, and 4?
A. Cloud Pub/Sub, Cloud Dataflow, Cloud Datastore, BigQuery
B. Cloud Pub/Sub, Cloud Dataflow, Cloud Bigtable, BigQuery
C. Firebase Messages, Cloud Pub/Sub, Cloud Spanner, BigQuery
D. Cloud Pub/Sub, Cloud Storage, BigQuery, Cloud Bigtable
Answer: B
NEW QUESTION: 2
Overview
General Overview
ADatum Corporation has offices in Miami and Montreal.
The network contains a single Active Directory forest named adatum.com. The offices connect to each other by using a WAN link that has 5-ms latency. A). Datum standardizes its database platform by using SQL Server
2014 Enterprise edition.
Databases
Each office contains databases named Sales, Inventory, Customers, Products, Personnel, and Dev.
Servers and databases are managed by a team of database administrators. Currently, all of the database administrators have the same level of permissions on all of the servers and all of the databases.
The Customers database contains two tables named Customers and Classifications.
The following graphic shows the relevant portions of the tables:
The following table shows the current data in the Classifications table:
The Inventory database is updated frequently.
The database is often used for reporting.
A full backup of the database currently takes three hours to complete.
Stored Procedures
A stored procedure named USP_1 generates millions of rows of data for multiple reports. USP_1 combines data from five different tables from the Sales and Customers databases in a table named Table1.
After Table1 is created, the reporting process reads data from Table1 sequentially several times. After the process is complete, Table1 is deleted.
A stored procedure named USP_2 is used to generate a product list. The product list contains the names of products grouped by category.
USP_2 takes several minutes to run due to locks on the tables the procedure accesses. The locks are caused by USP_1 and USP_3.
A stored procedure named USP_3 is used to update prices. USP_3 is composed of several UPDATE statements called in sequence from within a transaction.
Currently, if one of the UPDATE statements fails, the stored procedure fails. A stored procedure named USP_4 calls stored procedures in the Sales, Customers, and Inventory databases.
The nested stored procedures read tables from the Sales, Customers, and Inventory databases. USP_4 uses an EXECUTE AS clause.
All nested stored procedures handle errors by using structured exception handling. A stored procedure named USP_5 calls several stored procedures in the same database. Security checks are performed each time USP_5 calls a stored procedure.
You suspect that the security checks are slowing down the performance of USP_5. All stored procedures accessed by user applications call nested stored procedures.
The nested stored procedures are never called directly.
Design Requirements
Data Recovery
You must be able to recover data from the Inventory database if a storage failure occurs. You have a Recovery Time Objective (RTO) of 5 minutes.
You must be able to recover data from the Dev database if data is lost accidentally. You have a Recovery Point Objective (RPO) of one day.
Classification Changes
You plan to change the way customers are classified. The new classifications will have four levels based on the number of orders. Classifications may be removed or added in the future. Management requests that historical data be maintained for the previous classifications. Security A group of junior database administrators must be able to manage security for the Sales database. The junior database administrators will not have any other administrative rights. A). Datum wants to track which users run each stored procedure.
Storage
ADatum has limited storage. Whenever possible, all storage space should be minimized for all databases and all backups.
Error Handling
There is currently no error handling code in any stored procedure.
You plan to log errors in called stored procedures and nested stored procedures. Nested stored procedures are never called directly.
You need to recommend a change to USP_3 to ensure that the procedure continues to execute even if one of the UPDATE statements fails.
Which change should you recommend?
A. Set the IMPLICIT_TRANSACTIONS option to off.
B. Set the XACT_ABORT option to on.
C. Set the IMPLICIT_TRANSACTIONS option to on.
D. Set the XACT_ABORT option to off.
Answer: D
Explanation:
Explanation
- Scenario: A stored procedure named USP_3 is used to update prices. USP_3 is composed of several UPDATE statements called in sequence from within a transaction. Currently, if one of the UPDATE statements fails, the stored procedure continues to execute.
- When SET XACT_ABORT is OFF, in some cases only the Transact-SQL statement that raised the error is rolled back and the transaction continues processing.
NEW QUESTION: 3
次のプロセスフローを検討してください。
Decision JA "プロパティは次のとおりです。
決定 "B"プロパティは次のとおりです。
決定 "C"プロパティは
プロセスが実行されるとどうなりますか？
A. 例外がスローされます
B. フローは計算ステージ「B」を通過します
C. フローは計算ステージ「C」を通過します
D. フローは計算ステージ「A」を通過します
Answer: A
NEW QUESTION: 4
Identify two types of files that are generated by the Pre-Upgrade Information tool as part of the database upgrade prerequisite checks? (Choose two.)
A. a log file with tool recommendations and requirements
B. a log file containing a list of pre-upgrade patches to be applied
C. RMANdatabase backup scripts
D. expdpscripts to export database objects belonging to the SYS schema
E. pre- and post-upgrade fixup scripts
Answer: A,E