OracleDB
Link
SQL Language Reference, 19c
pdf:
https://docs.oracle.com/cd/F19136_01/sqlrf/sql-language-reference.pdf
web:
https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlrf
ja, pdf:
https://docs.oracle.com/cd/F19136_01/sqlrf.pdf
ja, web:
https://docs.oracle.com/cd/F19136_01/sqlrf
ヒント句の構文定義もこっち
Database PL/SQL Language Reference, 19c
pdf:
https://docs.oracle.com/en/database/oracle/oracle-database/19/lnpls/database-pl-sql-language-reference.pdf
web:
https://docs.oracle.com/en/database/oracle/oracle-database/19/lnpls/index.html
SQL Language Quick Reference, 19c
pdf:
https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlqr/sql-language-quick-reference.pdf
web:
https://docs.oracle.com/en/database/oracle/oracle-database/19/sqlqr
SQL Tuning Guide, 19c
pdf:
https://docs.oracle.com/cd/F19136_01/tgsql/sql-tuning-guide.pdf
web:
https://docs.oracle.com/en/database/oracle/oracle-database/19/tgsql
ja, web:
https://docs.oracle.com/cd/F19136_01/tgsql/index.html
ja, pdf:
https://docs.oracle.com/cd/F19136_01/tgsql.pdf
ヒント句の使い方はこっち