Oracle 1Z0-182 case studies
Oracle 1Z0-182 · Put your knowledge to work in context.
The Oracle Database SQL 1Z0-182 exam is the assessment behind the Oracle Database SQL Certified Associate credential, one of the entry points into Oracle's database certification track. It is aimed at developers, report writers, data analysts, and junior DBAs who need to write and read SQL against an Oracle database rather than administer it. The Oracle 1Z0-182 case studies are 5 cases and about 3,956 words.
1Pagination Under Ties and Null Ship Dates
A logistics company runs its customer-facing order tracker on Oracle Database 19c. The ORDERS table holds 486,000 rows and has columns ORDER ID (NUMBER, primary key), CUSTOMER ID, STATUS, SHIP DATE (DATE, nullable), and PRIORITY (VARCHAR2(10)).
831 words, about 4 min2Average Discount and Rollup Labels with Null Groups
A retail chain stores first-quarter sales in ORDERS FACT, which has 12,400 rows. Columns are ORDER ID, REGION (VARCHAR2(20), nullable), CHANNEL (VARCHAR2(20)), ORDER TOTAL (NUMBER, NOT NULL), and DISCOUNT PCT (NUMBER, nullable).
755 words, about 4 min3MERGE Failure After a Duplicate Staging Load
A data warehouse team loads CUSTOMER DIM, which has 48,000 rows, from STG CUSTOMER. The nightly job uses a single MERGE statement: it matches on CUST ID, updates name and status when matched, and inserts when not matched.
760 words, about 4 min4Sequence Gaps, Unusable Index Partitions, and a Shadowing Synonym
Schema APP owns the partitioned table ORDERS (range on ORDER DATE), the sequence ORDER SEQ defined with CACHE 20 and NOORDER, and a local partitioned index IDX ORDERS CUST on CUSTOMER ID. On a two-node RAC cluster the order service calls ORDER SEQ.NEXTVAL before every INSERT.
828 words, about 4 min5Role Privileges in a Definer's-Rights Procedure and a Moving Report Snapshot
Schema ETL owns the procedure ETL.RUN REPORT, created with the default definer's-rights setting. The procedure selects from APP.V ORDERS.
782 words, about 4 min