SHL

SELECT shl(1, 4);

create.select(shl(1, 4)).fetch();

+-----+
| shl |
+-----+
|  16 |
+-----+

shl(1, 4)

-- ASE, HSQLDB, SQLDATAWAREHOUSE, SYBASE
(1 * CAST(power(2, 4) AS int))

-- AURORA_MYSQL, AURORA_POSTGRES, BIGQUERY, COCKROACHDB, DUCKDB, MARIADB, MEMSQL, MYSQL, POSTGRES, REDSHIFT, SQLITE, 
-- SQLSERVER, VERTICA, YUGABYTEDB
(1 << 4)

-- DB2, INFORMIX
(1 * CAST(power(2, 4) AS integer))

-- EXASOL
bit_lshift(1, 4)

-- FIREBIRD
bin_shl(1, 4)

-- H2
lshift(1, 4)

-- ORACLE
(1 * CAST(power(2, 4) AS number(10)))

-- SNOWFLAKE
bitshiftleft(1, 4)

-- TERADATA
shiftleft(1, 4)

-- TRINO
bitwise_left_shift(1, 4)

-- ACCESS, DERBY, HANA
/* UNSUPPORTED */