58 lines
1.8 KiB
Plaintext
58 lines
1.8 KiB
Plaintext
drop database if exists maskingdb;
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create database maskingdb;
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use maskingdb;
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create table masking (a TEXT, x TEXT, y TEXT);
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insert into masking values ("hello", "hello", "hello");
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insert into masking values (NULL, "hello", "hello");
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insert into masking values ("hello", NULL, "hello");
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insert into masking values ("hello", "hello", NULL);
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insert into masking values (NULL, NULL, "hello");
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insert into masking values ("hello", NULL, NULL);
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insert into masking values (NULL, NULL, NULL);
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select * from masking;
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a x y
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YYYYY hello hello
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NULL hello hello
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YYYYY NULL hello
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YYYYY hello NULL
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NULL NULL hello
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YYYYY NULL NULL
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NULL NULL NULL
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drop table masking;
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create table masking (x TEXT, a TEXT, y TEXT);
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insert into masking values ("hello", "hello", "hello");
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insert into masking values (NULL, "hello", "hello");
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insert into masking values ("hello", NULL, "hello");
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insert into masking values ("hello", "hello", NULL);
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insert into masking values (NULL, NULL, "hello");
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insert into masking values ("hello", NULL, NULL);
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insert into masking values (NULL, NULL, NULL);
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select * from masking;
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x a y
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hello YYYYY hello
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NULL YYYYY hello
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hello NULL hello
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hello YYYYY NULL
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NULL NULL hello
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hello NULL NULL
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NULL NULL NULL
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drop table masking;
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create table masking (x TEXT, y TEXT, a TEXT);
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insert into masking values ("hello", "hello", "hello");
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insert into masking values (NULL, "hello", "hello");
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insert into masking values ("hello", NULL, "hello");
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insert into masking values ("hello", "hello", NULL);
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insert into masking values (NULL, NULL, "hello");
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insert into masking values ("hello", NULL, NULL);
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insert into masking values (NULL, NULL, NULL);
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select * from masking;
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x y a
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hello hello YYYYY
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NULL hello YYYYY
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hello NULL YYYYY
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hello hello NULL
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NULL NULL YYYYY
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hello NULL NULL
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NULL NULL NULL
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drop table masking;
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