sql-statement-overview.md: add four SQL statements (#19926)#19927

Merged

ti-chi-bot[bot] merged 3 commits intopingcap:release-8.5from ti-chi-bot:cherry-pick-19926-to-release-8.5

Feb 27, 2025

+4

Commits on Feb 27, 2025

Add temp.md

qiancai
authored and
ti-chi-bot
committed
Delete temp.md

qiancai
authored and
ti-chi-bot
committed
Update sql-statement-overview.md

qiancai
authored and
ti-chi-bot
committed