70-461 Session 5: Querying Microsoft SQL Server 2012 22% off – $15
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Building on Sessions 1-four, we’re going to take a look at analytical purposes, grouping units, rating purposes and spatial aggregates.
This path is the root for the Microsoft Certificate 70-461: “Querying Microsoft SQL Server 2012”.
In Sessions 1 and a couple of, we discovered all about dates, strings and quantity knowledge varieties and DML statements. In periods three and four, we created perspectives, procedures, triggers, constraints and mixing datasets.
We’ll will now be developing combination queries, running thru purpose nine of the examination 70-461. We’ll be reviewing the rating purposes ROW_NUMBER, RANK, DENSE_RANK and NTILE. We’ll take a look at the eight analytic purposes information to SQL Server 2012, comparable to LAG, LEAD, FIRST_VALUE and LAST_VALUE.
We’ll take a look at different ways of grouping and including totals, the use of ROLLUP, CUBE, GROUPING SETS and GROUPING_ID. We’ll additionally take a look at the geometry and geography knowledge varieties, plotting places on a grid, along side purposes and aggregates.
No prior wisdom rather than what we coated in Sessions 1 to four is needed. This direction builds at the wisdom in the past won in the ones earlier periods.
There are common quizzes that will help you be mindful the ideas.
Once completed, you’ll know what tips on how to write rating purposes, analytic purposes, grouping units and spatial aggregates, and we’re going to have expanded on our present wisdom of T-SQL.
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