DB2 ⭐ Featured
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Q: What is tablespace?

Answer:
Tablespace is storage container for tables. CREATE TABLESPACE name IN database USING STOGROUP. Contains one or more tables. Segmented/universal tablespace types. Management at tablespace level (REORG, COPY, RECOVER).
tablespace storage database
DB2
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Q: Explain storage group

Answer:
Storage group defines volumes for data. CREATE STOGROUP name VOLUMES(vol1, vol2). Tablespaces assigned to stogroups. DB2 manages space within. PRIQTY/SECQTY control allocation. Foundation of storage management.
stogroup storage volume