`db_test`.`table3_` (`Column1`,`Column2`,`Column3`) VALUES(2,'00:00:22','b'); INSERT INTO `db_test`.`table3_` (`Column1`,`Column2`,`Column3`) VALUES(5
描述:位串进行左移操作。 示例: 1 2 3 4 5 SELECT B'10001' << 3 AS RESULT; result ---------- 01000 (1 row) >> 描述:位串进行右移操作。 示例: 1 2 3 4 5 SELECT B'10001'
描述:位串进行左移操作。 示例: 1 2 3 4 5 SELECT B'10001' << 3 AS RESULT; result ---------- 01000 (1 row) >> 描述:位串进行右移操作。 示例: 1 2 3 4 5 SELECT B'10001'
描述:位串进行左移操作。 示例: 1 2 3 4 5 SELECT B'10001' << 3 AS RESULT; result ---------- 01000 (1 row) >> 描述:位串进行右移操作。 示例: 1 2 3 4 5 SELECT B'10001'
schema_subquery | store_hash_par | p1 | 3 | 0 | 3 | 0 | 3 | 100.00 58430 | 58770 | schema_subquery
schema_subquery | store_hash_par | p1 | 3 | 0 | 3 | 0 | 3 | 100.00 58430 | 58770 | schema_subquery
-> Filter: ((tt2.a + 3) = tt3.a) (cost=0.25 rows=1) -> Index lookup on tt3 using a (a=(tt2.a + 3)) (cost=0.25 rows=1) 开
case_when_t1 VALUES (1), (2), (3); SELECT * FROM tpcds.case_when_t1; cw_col1 --------- 3 1 2 (3 rows) SELECT CW_COL1, CASE
case_when_t1 VALUES (1), (2), (3); SELECT * FROM tpcds.case_when_t1; cw_col1 --------- 3 1 2 (3 rows) SELECT CW_COL1, CASE
test_trigger_src_tbl(id1 INT, id2 INT, id3 INT); gaussdb=# CREATE TABLE test_trigger_des_tbl(id1 INT, id2 INT, id3 INT); INSERT触发器的使用。 --创建insert触发器函数。
gaussdb=# explain select /*+ GATHER(REL)*/* from t1, t2, t3 where t1.c2 = t2.c2 and t2.c2 = t3.c2; id | operation | E-rows
partition_3_part ( a INTEGER, b INTEGER, c INTEGER ) PARTITION BY HASH(a) ( PARTITION p1, PARTITION p2, PARTITION p3 );
'sachin'),(2,'sachin'),(3,'rohit'),(4,'virat'); CREATE TABLE table3(serial int, name varchar,country varchar); INSERT INTO table3 VALUES(1,'sachin'
INTO case_when_t1 VALUES (1), (2), (3); openGauss=# SELECT * FROM case_when_t1; cw_col1 --------- 1 2 3 (3 rows) openGauss=# SELECT CW_COL1
INTO case_when_t1 VALUES (1), (2), (3); openGauss=# SELECT * FROM case_when_t1; cw_col1 --------- 1 2 3 (3 rows) openGauss=# SELECT CW_COL1
'sachin'),(2,'sachin'),(3,'rohit'),(4,'virat'); CREATE TABLE table3(serial int, name varchar,country varchar); INSERT INTO table3 VALUES(1,'sachin'
test_trigger_src_tbl(id1 INT, id2 INT, id3 INT); gaussdb=# CREATE TABLE test_trigger_des_tbl(id1 INT, id2 INT, id3 INT); INSERT触发器的使用。 --创建insert触发器函数。
示例: 1 2 3 4 5 SELECT instr('corporate floor','or', 3); instr ------- 5 (1 row) 1 2 3 4 5 SELECT instr('corporate floor','or',-3,2); instr
示例: 1 2 3 4 5 SELECT instr('corporate floor','or', 3); instr ------- 5 (1 row) 1 2 3 4 5 SELECT instr('corporate floor','or',-3,2); instr
cookie1 | 2020-07-15 | 4 | 3 | 3 | 3 cookie1 | 2020-07-16 | 4 | 3 | 3 | 4 cookie1 | 2020-07-13 | 3 | 5 | 4 | 5 cookie1