Confusing SQLD answer choices? Run them yourself and the answer becomes clear — 6 hours of hands-on SQLD with a practicing DBA team lead
Run all four answer choices from SQLD questions directly in Oracle and choose the correct answer based on the results. Covers pitfalls involving NULLs, aggregates, joins, ranking, ROWNUM, and hierarchical queries in 52 lessons over 6 hours.
1 learners are taking this course
Level Beginner
Course period Unlimited
SQL
SQL
Oracle
Oracle
SQLD
SQLD
SQL
SQL
Oracle
Oracle
SQLD
SQLD
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