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From 123-CBT Computer Based Training
Oracle SQL Specifics Retrieving and Formatting Data

...with a multiple column subquery.
Perform a query with a correlated subquery.
Use a correlated subquery with the EXISTS operator to test for a value.
Unit 6: Retrieving Hierarchical Data
Duration: 1 Hour(s)
Select the clauses that identify an hierarchical query.
Use the CONNECT BY PRIOR and START WITH clauses to walk through the tree structure.
Identify the pseudocolumn
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Oracle SQL Specifics Retrieving and Formatting Data
Oracle SQL and SQL Plus Advanced SELECT Statements

...n: 1 Hour(s)
Complete a SELECT statement by using a correlated subquery.
Complete a DELETE statement by using a correlated subquery.
Complete an UPDATE statement by using a correlated subquery.
Complete a query by using the EXISTS operator.
Complete a query by using the NOT EXISTS operator.
Unit 4: Functions in Queries
Duration: 1 Hour(s)
Identify the features of a
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SQL Server 7 0 - Implementing a Database - Part 3

...return a list of values. Select the characteristics of a correlated subquery. Sequence the steps to process a correlated subquery. Sequence the steps to complete a correlated subquery. Sequence the steps in which the SQL Server processes EXISTS and NOT EXISTS subqueries. Perform the steps to add rows to a table. Perform the steps to delete rows from a table. Perform the steps to remove
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IBM DB2 Universal Database V6 1--App Development

...a subquery. Retrieve data with referenced values using a correlated subquery. Retrieve data using scalar functions. Retrieve summarized data for groups using grouping functions. Create different levels of aggregation data using GROUPING SETS operations. Identify characteristics of STAR schemas for table design and index design. Code combined SQL statements using compound SQL. Create a
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IBM DB2 Universal Database V6 1--App Development

...a subquery. Retrieve data with referenced values using a correlated subquery. Retrieve data using scalar functions. Retrieve summarized data for groups using grouping functions. Create different levels of aggregation data using GROUPING SETS operations. Identify characteristics of STAR schemas for table design and index design. Code combined SQL statements using compound SQL. Create a
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