I hope you’ve enjoyed reading about this adventure I had. It is way easier to look back on it now that it is over than when we were right in the thick of it. If you’ve never had to do any sort of emergency recovery, I would recommend you practice doing so. Bring up a test ...
Today's topic is a little more involved than my previous ones - today I'm discussing how to view the SQL used by a BOE XI 3.1 Web Intelligence report by using the Java Report Engine (REBean) SDK. It's not actually hard per se, there are just some things to be aware of. I'm j...
Free Practice Test Instructions: FREE test and can be attempted multiple times. 60 Minutes 30 Multiple Choice Questions Fill in the Details to Get Started +91 IN INDIA+44 UK UNITED KINGDOM+1 US UNITED STATES+1 CA CANADA--- -- ---+376 AD ANDORRA+971 AE UNITED ARAB EMIRATES+93 AF AFGH...
Hive is more inclined to orc, and Spark is more inclined to parquet. At the same time, when performing big data operations, point-checking, wide-table query, and large-table join operations are relatively frequent, which requires that the file format is preferably ...
SSIS Connection Manager to SQL Server with Passwords Best Practice SSIS Connectivity to Oracle ssis convert between unicode & non-uncode string SSIS Currency Format SSIS custom DLLs during deployment SSIS Data Conversion from STRING TO DATE SSIS data conversion Numeric[DT_NUMERIC] SSIS Data Flow Item...
Null value is eliminated by an aggregate or other SET Null value is not accepting when use Hashbytes NULL Values in Foreign Keys? Best Practice Numbers Increment inside a CTE Numeric (19,5) increase precision to 7 decimal places Numeric vs int and bigint NVARCHAR (MAX) TO PRINT DYNAMIC SQL...
migrate database from Oracle 11g to 12c start Bamboo 5.11, making sure the same works correctly upgrade Bamboo to aimed version ℹ️As a good practice, backup Bamboo logs during the upgrade process on each step so it can be reviewed by Atlassian Support in...
单点失败(Single Point of Failure) 同步调用 不具备回滚能力 不记录日志 无切分的数据库 无切分的应用 将伸缩性依赖于第三方厂商 OLAP OLAP报表产品最大的难点在哪里? NOSQL们背后的共有原则 假设失效是必然发生的 对数据进行分区 保存同一数据的多个副本 ...
It's good security practice to change the access key to your blob storage regularly. You have two storage keys for your blob storage account, which enables you to transition the keys.To rotate Azure Storage account keys:For each storage account whose key has changed, issue ALTER DATABASE ...
We don't care how many records are there, of course, only whether the table name is valid or not. By iterating over several guesses, we eventually determined thatmemberswas a valid table in the database. But is it the table used inthisquery? For that we need yet another test usingtab...