oracle
1.创建表
CREATE TABLE "YZH2_ORACLE" (
"VARCHAR2_COLUMN" VARCHAR2(20) NOT NULL ENABLE,
"NUMBER_COLUMN" NUMBER,
"DATE_COLUMN" DATE,
"CLOB_COLUMN" CLOB,
"BLOB_COLUMN" BLOB,
"BINARY_DOUBLE_COLUMN" BINARY_DOUBLE,
"BINARY_FLOAT_COLUMN" BINARY_FLOAT,
"CHAR_COLUMN" CHAR(1),
"CHAR_VARYING_COLUMN" VARCHAR2(20),
"DEC_COLUMN" NUMBER(*, 0),
"DECIMAL_COLUMN" NUMBER(*, 0),
"DOUBLE_PRECISION_COLUMN" FLOAT(126),
"CHARACTER_COLUMN" CHAR(1),
"CHARACTER_VARYING_COLUMN" VARCHAR2(20),
"FLOAT_COLUMN" FLOAT(126),
"INT_COLUMN" NUMBER(*, 0),
"INTEGER_COLUMN" NUMBER(*, 0),
"NATIONAL_CHAR_COLUMN" NCHAR(1),
"NATIONAL_CHAR_VARYING_COLUMN" NVARCHAR2(20),
"NATIONAL_CHARACTER_COLUMN" NCHAR(1),
"NATIONAL_CHARACTER_VARY_COLUMN" NVARCHAR2(20),
"NCHAR_COLUMN" NCHAR(1),
"NCHAR_VARYING_COLUMN" NVARCHAR2(20),
"NCLOB_COLUMN" NCLOB,
"NUMERIC_COLUMN" NUMBER(*, 0),
"NVARCHAR2_COLUMN" NVARCHAR2(20),
"RAW_COLUMN" RAW(20),
"REAL_COLUMN" FLOAT(63),
"SMALLINT_COLUMN" NUMBER(*, 0),
"TIMESTAMP_COLUMN" TIMESTAMP (6),
"VARCHAR_COLUMN" VARCHAR2(20)
)
预设游标10000(必要时)
alter system set open_cursors = 10000;
模拟新增10万条数据
DECLARE I number := 0;
BEGIN
FOR I IN 0..100000 LOOP
INSERT INTO YZH2_ORACLE (
VARCHAR2_COLUMN, NUMBER_COLUMN, BINARY_DOUBLE_COLUMN,
BINARY_FLOAT_COLUMN, CHAR_VARYING_COLUMN,
DEC_COLUMN, DECIMAL_COLUMN, DOUBLE_PRECISION_COLUMN,
CHARACTER_VARYING_COLUMN, FLOAT_COLUMN,
INT_COLUMN, INTEGER_COLUMN, NATIONAL_CHAR_VARYING_COLUMN,
NATIONAL_CHARACTER_VARY_COLUMN,
NCHAR_VARYING_COLUMN, NUMERIC_COLUMN,
NVARCHAR2_COLUMN, REAL_COLUMN, SMALLINT_COLUMN,
VARCHAR_COLUMN
)
VALUES (I, I, I, I, I, I, I, I, I, I, I, I, I, I, I, I,I, I, I, I);
END LOOP;
COMMIT;
END;
1.1 oracle一条sql数据生成100万条数据
SELECT
rownum AS id,
to_char(sysdate + rownum / 24 / 3600, 'yyyy-mm-dd hh24:mi:ss') AS inc_datetime,
trunc(dbms_random.value(0, 100)) AS random_id,
dbms_random.string('x',20) AS random_string
FROM
dual
CONNECT BY
LEVEL <= 1000000; #可传参数
2.SQL SERVER
创建测试表
CREATE TABLE dbo.yzh2_ms_checker (
BIGINT_COLUMN bigint NULL DEFAULT (NULL),
BINARY_COLUMN binary(64) NULL DEFAULT (NULL),
BIT_COLUMN bit NULL DEFAULT (NULL),
CHAR_COLUMN char(64) NULL DEFAULT (NULL),
CHAR_MAX_COLUMN char(128) NULL DEFAULT (NULL),
DATE_COLUMN date NULL DEFAULT (NULL),
DATETIME_COLUMN datetime NULL DEFAULT (NULL),
DECIMAL_COLUMN decimal(18,0) NULL DEFAULT (NULL),
FLOAT_COLUMN real NULL DEFAULT (NULL),
INT_COLUMN int NULL DEFAULT (NULL),
MONEY_COLUMN money NULL DEFAULT (NULL),
NCHAR_COLUMN nchar(64) NULL DEFAULT (NULL),
NCHAR_MAX_COLUMN nchar(128) NULL DEFAULT (NULL),
NTEXT_COLUMN ntext NULL DEFAULT (NULL),
NUMERIC_COLUMN numeric(18,0) NULL DEFAULT (NULL),
NVARCHAR_COLUMN nvarchar(64) NULL DEFAULT (NULL),
NVARCHAR_MAX_COLUMN nvarchar(128) NULL DEFAULT (NULL),
REAL_COLUMN real NULL DEFAULT (NULL),
SMALLINT_COLUMN smallint NULL DEFAULT (NULL),
SMALLMONEY_COLUMN smallmoney NULL DEFAULT (NULL),
TEXT_COLUMN text NULL DEFAULT (NULL),
TINYINT_COLUMN tinyint NULL DEFAULT (NULL),
VARBINARY_COLUMN varbinary(64) NULL DEFAULT (NULL),
VARCHAR_COLUMN varchar(64) NULL DEFAULT (NULL),
VARCHAR_MAX_COLUMN varchar(128) NULL DEFAULT (NULL),
XML_COLUMN xml NULL DEFAULT (NULL)
);
GO
DECLARE @i INT
SET
@i = 1
WHILE @i <=30000 BEGIN
INSERT INTO dbo.yzh2_ms_checker (
BIGINT_COLUMN, BINARY_COLUMN, BIT_COLUMN,
CHAR_COLUMN, CHAR_MAX_COLUMN, DATE_COLUMN,
DATETIME_COLUMN, DECIMAL_COLUMN,
FLOAT_COLUMN, INT_COLUMN, MONEY_COLUMN,
NCHAR_COLUMN, NCHAR_MAX_COLUMN,
NTEXT_COLUMN, NUMERIC_COLUMN, NVARCHAR_COLUMN,
NVARCHAR_MAX_COLUMN, REAL_COLUMN,
SMALLINT_COLUMN, SMALLMONEY_COLUMN,
TEXT_COLUMN, TINYINT_COLUMN, VARBINARY_COLUMN,
VARCHAR_COLUMN, VARCHAR_MAX_COLUMN,
XML_COLUMN
)
VALUES
(
@i,1,@i,@i,@i,GETDATE(),GETDATE(),@i,@i,@i,@i,@i,@i,STR(@i),
@i,STR(@i),STR(@i),@i,@i,@i,STR(@i),NULL,1,@i,@i,STR(@i)
)
SET @i = @i + 1
END;
3.MySQL
创建测试表
CREATE TABLE `yzh2_sync` (
`bigint_column` bigint(10) NOT NULL AUTO_INCREMENT COMMENT '1',
`bit_column` bigint(10) NOT NULL COMMENT '2',
`blob_column` blob NOT NULL COMMENT '3',
`char_column` char(64) NOT NULL COMMENT '4',
`date_column` date NOT NULL COMMENT '5',
`datetime_column` datetime NOT NULL COMMENT '6',
`decimal_column` decimal(18,9) NOT NULL COMMENT '7',
`double_column` double NOT NULL COMMENT '8',
`float_column` float NOT NULL COMMENT '10',
`int_column` int(11) NOT NULL COMMENT '11',
`longblob_column` longblob NOT NULL COMMENT '12',
`longtext_column` longtext NOT NULL COMMENT '13',
`mediumblob_column` mediumblob NOT NULL COMMENT '14',
`mediumint_column` mediumint(9) NOT NULL COMMENT '15',
`mediumtext_column` mediumtext NOT NULL COMMENT '16',
`smallint_column` smallint(6) NOT NULL COMMENT '18',
`text_column` text NOT NULL COMMENT '19',
`time_column` time NOT NULL COMMENT '20',
`timestamp_column` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '21',
`tinyint_column` int(11) NOT NULL COMMENT '22',
`tinytext_column` tinytext NOT NULL COMMENT '23',
`varchar_column` varchar(32) NOT NULL COMMENT '24',
PRIMARY KEY (`bigint_column`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
模拟新增3万条数据
DROP PROCEDURE if EXISTS test_insert;
DELIMITER //
CREATE PROCEDURE test_insert()
BEGIN
DECLARE y BIGINT DEFAULT 0;
WHILE y<30000
DO
INSERT INTO yzh2_sync (
bit_column, blob_column, char_column,
date_column, datetime_column, decimal_column,
double_column, float_column, int_column,
longblob_column, longtext_column,
mediumblob_column, mediumint_column,
mediumtext_column, smallint_column,
text_column, time_column, timestamp_column,
tinyint_column, tinytext_column,
varchar_column)
VALUES(
y, y, y,
now(), now(), y,
y, y, y,
y, y,
y, y,
y, y,
y,now(), now(),
y, y,
y
);
SET y=y+1;
END WHILE ;
commit;
END //
{ CALL xag.test_insert() }